TY  - CONF
AU  - Mihajlović, Dragana
AU  - Međo, Bojan
AU  - Đokić, Veljko
AU  - Bajat, Jelena
AU  - Rakin, Marko
AU  - Putić, Slaviša
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7172
AB  - Intenzivno plastično deformisanje (IPD, eng. Severe Plastic Deformation, SPD)  jesu različiti savremeni postupci čiji je osnovni cilj dobijanje sitnozrne strukture (eng. ultrafine-grained, UFG) metalnih materijala. Sitnozrni metalni materijali najčešće pokazuju poboljšana mehanička svojstva u odnosu na metalne materijale dobijene konvencionalnim postupcima izrade, dok je koroziona otpornost ovih materijala još uvek nedovoljno ispitana. Jedna od metoda intenzivnog plastičnog deformisanja je i metoda uvijanja pod visokim pritiskom (UVP, eng. High Pressure Torsion, HPT). U cilju ispitivanja uticaja nanostrukturne modifikacije površine na svojstva sitnozrnog komercijalnog čistog titana (korozionu postojanost, površinski modul elastičnosti i tvrdoću) u radu je urađena elektrohemijska anodizacija. Karakterizacija površinske modifikovane strukture kod sitnozrnog komercijalnog čistog titana urađena je primenom skenirajuće elektronske mikroskopije (eng. Scanning Electron Microscopy, SEM). Homogenost materijala nakon UVP postupka procenjen je merenjem mikrotvrdoće duž prečnika uzoraka primenom metode po Vikersu (eng. Vickers). Otpornost prema koroziji sitnozrnog komercijalnog čistog titana pre i posle elektrohemijske andizacije ispitana je primenom potenciodinamičke metode, pri čemu je pokazano povećanje korozione otpornosti u simuliranom rastvoru ljudskog organizma. Karakterizacija površine sitnozrnog komercijalnog čistog titana primenom nanoindentacije pokazala je smanjenje vrednosti površinskog modula elastičnosti i tvrdoće kod materijala sa nanostrukturnim oksidnim slojem, koje su bliže vrednostima koštanog tkiva u ljudskom organizmu.
AB  - Severe Plastic Deformation (SPD) are modern procedures whose main goal is to obtain an
ultrafine-grained structure of metallic materials. Ultrafine-grained metallic materials show
improved mechanical properties compared to metallic materials obtained by conventional
manufacturing methods, while the corrosion resistance of these materials is still insufficiently
tested. One of the methods of Severe Plastic Deformation is the method of High Pressure
Torsion (HPT). In order to examine the influence of nanostructural surface modification on
the properties of ultrafine-grained commercially pure titanium (corrosion resistance, surface
modulus of elasticity and hardness), electrochemical anodization was performed. The
characterization of the surface modified structure of ultrafine-grained commercially pure
titanium was performed using Scanning Electron Microscopy (SEM). The homogeneity of
the material after the HPT procedure was assessed by measuring the microhardness along the
diameter of the samples using the Vickers method. Corrosion resistance of ultrafine-grained
commercially pure titanium before and after electrochemical andization was tested using the
potentiodynamic method, where an increase corrosion resistance in a simulated solution of
the human organism was demonstrated. The characterization of the surface of the comercially
pure titanium using nanoindentation showed a decrease in the values of the surface modulus
of elasticity and hardness for titanium with a nanostructured oxide layer, which are closer to
the values of bone tissue in the human body.
PB  - Požarevac : Savez društava inženjera i tehničara grada Požarevca
PB  - Požarevac : Društvo hemičara, tehnologa i metalurga
C3  - Zbornik radova / Savetovanje "Novi materijali i mogućnosti njihove primene", Požarevac, 2023 godine
T1  - Uticaj nanostrukturne modifikacije površine na svojstva komercijalno čistog titana za primenu u medicini
T1  - The influence of nanostructure surface modification on the properties of commercially pure titanium for application in medicine
EP  - 60
SP  - 51
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7172
ER  - 

@conference{
author = "Mihajlović, Dragana and Međo, Bojan and Đokić, Veljko and Bajat, Jelena and Rakin, Marko and Putić, Slaviša",
year = "2023",
abstract = "Intenzivno plastično deformisanje (IPD, eng. Severe Plastic Deformation, SPD)  jesu različiti savremeni postupci čiji je osnovni cilj dobijanje sitnozrne strukture (eng. ultrafine-grained, UFG) metalnih materijala. Sitnozrni metalni materijali najčešće pokazuju poboljšana mehanička svojstva u odnosu na metalne materijale dobijene konvencionalnim postupcima izrade, dok je koroziona otpornost ovih materijala još uvek nedovoljno ispitana. Jedna od metoda intenzivnog plastičnog deformisanja je i metoda uvijanja pod visokim pritiskom (UVP, eng. High Pressure Torsion, HPT). U cilju ispitivanja uticaja nanostrukturne modifikacije površine na svojstva sitnozrnog komercijalnog čistog titana (korozionu postojanost, površinski modul elastičnosti i tvrdoću) u radu je urađena elektrohemijska anodizacija. Karakterizacija površinske modifikovane strukture kod sitnozrnog komercijalnog čistog titana urađena je primenom skenirajuće elektronske mikroskopije (eng. Scanning Electron Microscopy, SEM). Homogenost materijala nakon UVP postupka procenjen je merenjem mikrotvrdoće duž prečnika uzoraka primenom metode po Vikersu (eng. Vickers). Otpornost prema koroziji sitnozrnog komercijalnog čistog titana pre i posle elektrohemijske andizacije ispitana je primenom potenciodinamičke metode, pri čemu je pokazano povećanje korozione otpornosti u simuliranom rastvoru ljudskog organizma. Karakterizacija površine sitnozrnog komercijalnog čistog titana primenom nanoindentacije pokazala je smanjenje vrednosti površinskog modula elastičnosti i tvrdoće kod materijala sa nanostrukturnim oksidnim slojem, koje su bliže vrednostima koštanog tkiva u ljudskom organizmu., Severe Plastic Deformation (SPD) are modern procedures whose main goal is to obtain an
ultrafine-grained structure of metallic materials. Ultrafine-grained metallic materials show
improved mechanical properties compared to metallic materials obtained by conventional
manufacturing methods, while the corrosion resistance of these materials is still insufficiently
tested. One of the methods of Severe Plastic Deformation is the method of High Pressure
Torsion (HPT). In order to examine the influence of nanostructural surface modification on
the properties of ultrafine-grained commercially pure titanium (corrosion resistance, surface
modulus of elasticity and hardness), electrochemical anodization was performed. The
characterization of the surface modified structure of ultrafine-grained commercially pure
titanium was performed using Scanning Electron Microscopy (SEM). The homogeneity of
the material after the HPT procedure was assessed by measuring the microhardness along the
diameter of the samples using the Vickers method. Corrosion resistance of ultrafine-grained
commercially pure titanium before and after electrochemical andization was tested using the
potentiodynamic method, where an increase corrosion resistance in a simulated solution of
the human organism was demonstrated. The characterization of the surface of the comercially
pure titanium using nanoindentation showed a decrease in the values of the surface modulus
of elasticity and hardness for titanium with a nanostructured oxide layer, which are closer to
the values of bone tissue in the human body.",
publisher = "Požarevac : Savez društava inženjera i tehničara grada Požarevca, Požarevac : Društvo hemičara, tehnologa i metalurga",
journal = "Zbornik radova / Savetovanje "Novi materijali i mogućnosti njihove primene", Požarevac, 2023 godine",
title = "Uticaj nanostrukturne modifikacije površine na svojstva komercijalno čistog titana za primenu u medicini, The influence of nanostructure surface modification on the properties of commercially pure titanium for application in medicine",
pages = "60-51",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7172"
}

Mihajlović, D., Međo, B., Đokić, V., Bajat, J., Rakin, M.,& Putić, S.. (2023). Uticaj nanostrukturne modifikacije površine na svojstva komercijalno čistog titana za primenu u medicini. in Zbornik radova / Savetovanje "Novi materijali i mogućnosti njihove primene", Požarevac, 2023 godine
Požarevac : Savez društava inženjera i tehničara grada Požarevca., 51-60.
https://hdl.handle.net/21.15107/rcub_technorep_7172

Mihajlović D, Međo B, Đokić V, Bajat J, Rakin M, Putić S. Uticaj nanostrukturne modifikacije površine na svojstva komercijalno čistog titana za primenu u medicini. in Zbornik radova / Savetovanje "Novi materijali i mogućnosti njihove primene", Požarevac, 2023 godine. 2023;:51-60.
https://hdl.handle.net/21.15107/rcub_technorep_7172 .

Mihajlović, Dragana, Međo, Bojan, Đokić, Veljko, Bajat, Jelena, Rakin, Marko, Putić, Slaviša, "Uticaj nanostrukturne modifikacije površine na svojstva komercijalno čistog titana za primenu u medicini" in Zbornik radova / Savetovanje "Novi materijali i mogućnosti njihove primene", Požarevac, 2023 godine (2023):51-60,
https://hdl.handle.net/21.15107/rcub_technorep_7172 .

TY  - JOUR
AU  - Mališić, Vanja
AU  - Gajić, Vuk
AU  - Porobić, Slavica
AU  - Patarić, Aleksandra
AU  - Putić, Slaviša
AU  - Vujčić, Ivica
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5958
AB  - Polymethyl methacrylate (PMMA) is a polymer material widely used in dental applications due to its excellent biocompatibility, stable physicochemical properties, easy manipulation, and low cost. The combination of biocompatible polymers and ceramics has great potential for the development of materials in the dental industry with improved mechanical properties. The addition of Al2O3 nanoparticles to PMMA can significantly improve its compressive and flexural strengths and wear resistance. Since this material is used in dental applications, it requires a high degree of product sterility. This can easily be achieved with gamma radiation treatment. Gamma radiation not only ensures the sterility of the product but can also affects changes in numerous material properties. The aim of this paper is to determine the influence of different doses of gamma radiation on the microbiological purity and changes in the mechanical and thermal properties of the PMMA/Al2O3 composite as well as the microstructural and color changes. It was found that the dose of radiation of 25 kGy is sufficient for complete sterilization of the product. This radiation dose improves the mechanical properties of the material and thermal stability. On the other hand, the dose of 25 kGy does not affect the morphology of the exposed sample and has small effect on the color change.
PB  - Elsevier Ltd
T2  - Radiation Physics and Chemistry
T1  - The effect of gamma irradiation on the synthesis, microbiological sterility, and improvement of properties of PMMA-Al2O3 composite used in dental prosthesis manufacturing
SP  - 110846
VL  - 207
DO  - 10.1016/j.radphyschem.2023.110846
ER  - 

@article{
author = "Mališić, Vanja and Gajić, Vuk and Porobić, Slavica and Patarić, Aleksandra and Putić, Slaviša and Vujčić, Ivica",
year = "2023",
abstract = "Polymethyl methacrylate (PMMA) is a polymer material widely used in dental applications due to its excellent biocompatibility, stable physicochemical properties, easy manipulation, and low cost. The combination of biocompatible polymers and ceramics has great potential for the development of materials in the dental industry with improved mechanical properties. The addition of Al2O3 nanoparticles to PMMA can significantly improve its compressive and flexural strengths and wear resistance. Since this material is used in dental applications, it requires a high degree of product sterility. This can easily be achieved with gamma radiation treatment. Gamma radiation not only ensures the sterility of the product but can also affects changes in numerous material properties. The aim of this paper is to determine the influence of different doses of gamma radiation on the microbiological purity and changes in the mechanical and thermal properties of the PMMA/Al2O3 composite as well as the microstructural and color changes. It was found that the dose of radiation of 25 kGy is sufficient for complete sterilization of the product. This radiation dose improves the mechanical properties of the material and thermal stability. On the other hand, the dose of 25 kGy does not affect the morphology of the exposed sample and has small effect on the color change.",
publisher = "Elsevier Ltd",
journal = "Radiation Physics and Chemistry",
title = "The effect of gamma irradiation on the synthesis, microbiological sterility, and improvement of properties of PMMA-Al2O3 composite used in dental prosthesis manufacturing",
pages = "110846",
volume = "207",
doi = "10.1016/j.radphyschem.2023.110846"
}

Mališić, V., Gajić, V., Porobić, S., Patarić, A., Putić, S.,& Vujčić, I.. (2023). The effect of gamma irradiation on the synthesis, microbiological sterility, and improvement of properties of PMMA-Al2O3 composite used in dental prosthesis manufacturing. in Radiation Physics and Chemistry
Elsevier Ltd., 207, 110846.
https://doi.org/10.1016/j.radphyschem.2023.110846

Mališić V, Gajić V, Porobić S, Patarić A, Putić S, Vujčić I. The effect of gamma irradiation on the synthesis, microbiological sterility, and improvement of properties of PMMA-Al2O3 composite used in dental prosthesis manufacturing. in Radiation Physics and Chemistry. 2023;207:110846.
doi:10.1016/j.radphyschem.2023.110846 .

Mališić, Vanja, Gajić, Vuk, Porobić, Slavica, Patarić, Aleksandra, Putić, Slaviša, Vujčić, Ivica, "The effect of gamma irradiation on the synthesis, microbiological sterility, and improvement of properties of PMMA-Al2O3 composite used in dental prosthesis manufacturing" in Radiation Physics and Chemistry, 207 (2023):110846,
https://doi.org/10.1016/j.radphyschem.2023.110846 . .

TY  - JOUR
AU  - Mališić, Vanja Z.
AU  - Pezo, Milada L.
AU  - Jelić, Aleksandra N.
AU  - Patarić, Aleksandra S.
AU  - Putić, Slaviša S.
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7040
AB  - Poly(methyl methacrylate) (PMMA) has a broad spectrum of uses, especially in medical applications. The role of fine-grained alumina particles of PMMA composites was investigated in this study. The composites were based on PMMA modified with dimethyl itaconate (DMI) as a matrix and alumina particles (Al2O3) and alumina doped with iron (Al2O3-Fe) modified with 3-aminopropyl-trimethoxysilane (AM) and flax oil fatty acid methyl esters (biodiesel) as reinforcements. Three particle sizes were measured (~0.4, ~0.6 and ~1.2 μm). The highest thermal conductivity values were measured for the composite 5 wt.% Al2O3-Fe-AM. With the addition of 3 wt.% Al2O3-AM to the PMMA/DMI matrix, mechanical properties were improved (tensile strength, strain, and modulus of elasticity). An artificial neural network model based on the Broyden-Fletcher-Goldfarb-Shanno iterative algorithm was investigated for prediction of thermal conductivity and mechanical properties of the composites showing satisfactory results. This is relevant for applications for optimization of dental materials to produce dentures, which were exposed to variations in temperature during the application.
AB  - Poli (metil metakrilata) (PMMA)ima široku upotrebu, posebno u stomatologiji i medicini. Kompoziti su napravljeni od PMMA modifikovanog dimetil itakonatom (DMI) kao matrice. Kao pojačanje korišćene su čestice glinice (Al2O3) i glinice dopirane oksidom gvožđa (Al2O3-Fe)  modifikovanim  sa  3-aminopropil-trimetoksilanom  (AM)  i  metil  estrima  masnih  kiselina  lanenog  ulja  (biodizel –BD).  Prema merenjima toplotne provodljivosti, najveće vrednosti toplotne provodljivosti imao je kompozit sa česticama glinice 5  wt.%  Al2O3-Fe-AM. Dodatkom modifikovanih čestica glinice u PMMA/DMI matricu, poboljšane su mehaničke osobine (zatezna čvrstoća, deformacija i modul elastičnosti). Razvijen je model veštačke neuronske mreže zasnovan na iterativnom algoritmu predloženom u literaturi (Broiden-Fletcher-Goldfarb-Shanno), za predviđanje toplotne provodljivosti i mehaničkih svojstava kompozita na bazi akrilata  u  kombinaciji sa česticama na bazi glinice, u zavisnosti od masenog udela čestica, i dodatka oksida gvožđa i modifikatora. Pokazano je da ovi matematički modeli mogu predvideti mehanička i termička  svojstva  kompozitnih  materijala.  Ovo  je  posebno  relevantno  zapredviđanje  toplotne provodljivosti materijala koji se koriste u stomatologiji za izradu proteza i koji su izloženi temperaturnim promenama tokom primene.
PB  - Savez hemijskih inženjera Srbije
T2  - Hemijska industrija
T1  - Prediction of thermal and mechanical properties of acrylate-based composites using artificial neural network modeling
T1  - Predviđanje termičkih i mehaničkih svojstava kompozita na bazi akrilata korišćenjem modela veštačke neuronske mreže
EP  - 302
IS  - 4
SP  - 293
VL  - 77
DO  - 10.2298/HEMIND230119029M
ER  - 

@article{
author = "Mališić, Vanja Z. and Pezo, Milada L. and Jelić, Aleksandra N. and Patarić, Aleksandra S. and Putić, Slaviša S.",
year = "2023",
abstract = "Poly(methyl methacrylate) (PMMA) has a broad spectrum of uses, especially in medical applications. The role of fine-grained alumina particles of PMMA composites was investigated in this study. The composites were based on PMMA modified with dimethyl itaconate (DMI) as a matrix and alumina particles (Al2O3) and alumina doped with iron (Al2O3-Fe) modified with 3-aminopropyl-trimethoxysilane (AM) and flax oil fatty acid methyl esters (biodiesel) as reinforcements. Three particle sizes were measured (~0.4, ~0.6 and ~1.2 μm). The highest thermal conductivity values were measured for the composite 5 wt.% Al2O3-Fe-AM. With the addition of 3 wt.% Al2O3-AM to the PMMA/DMI matrix, mechanical properties were improved (tensile strength, strain, and modulus of elasticity). An artificial neural network model based on the Broyden-Fletcher-Goldfarb-Shanno iterative algorithm was investigated for prediction of thermal conductivity and mechanical properties of the composites showing satisfactory results. This is relevant for applications for optimization of dental materials to produce dentures, which were exposed to variations in temperature during the application., Poli (metil metakrilata) (PMMA)ima široku upotrebu, posebno u stomatologiji i medicini. Kompoziti su napravljeni od PMMA modifikovanog dimetil itakonatom (DMI) kao matrice. Kao pojačanje korišćene su čestice glinice (Al2O3) i glinice dopirane oksidom gvožđa (Al2O3-Fe)  modifikovanim  sa  3-aminopropil-trimetoksilanom  (AM)  i  metil  estrima  masnih  kiselina  lanenog  ulja  (biodizel –BD).  Prema merenjima toplotne provodljivosti, najveće vrednosti toplotne provodljivosti imao je kompozit sa česticama glinice 5  wt.%  Al2O3-Fe-AM. Dodatkom modifikovanih čestica glinice u PMMA/DMI matricu, poboljšane su mehaničke osobine (zatezna čvrstoća, deformacija i modul elastičnosti). Razvijen je model veštačke neuronske mreže zasnovan na iterativnom algoritmu predloženom u literaturi (Broiden-Fletcher-Goldfarb-Shanno), za predviđanje toplotne provodljivosti i mehaničkih svojstava kompozita na bazi akrilata  u  kombinaciji sa česticama na bazi glinice, u zavisnosti od masenog udela čestica, i dodatka oksida gvožđa i modifikatora. Pokazano je da ovi matematički modeli mogu predvideti mehanička i termička  svojstva  kompozitnih  materijala.  Ovo  je  posebno  relevantno  zapredviđanje  toplotne provodljivosti materijala koji se koriste u stomatologiji za izradu proteza i koji su izloženi temperaturnim promenama tokom primene.",
publisher = "Savez hemijskih inženjera Srbije",
journal = "Hemijska industrija",
title = "Prediction of thermal and mechanical properties of acrylate-based composites using artificial neural network modeling, Predviđanje termičkih i mehaničkih svojstava kompozita na bazi akrilata korišćenjem modela veštačke neuronske mreže",
pages = "302-293",
number = "4",
volume = "77",
doi = "10.2298/HEMIND230119029M"
}

Mališić, V. Z., Pezo, M. L., Jelić, A. N., Patarić, A. S.,& Putić, S. S.. (2023). Prediction of thermal and mechanical properties of acrylate-based composites using artificial neural network modeling. in Hemijska industrija
Savez hemijskih inženjera Srbije., 77(4), 293-302.
https://doi.org/10.2298/HEMIND230119029M

Mališić VZ, Pezo ML, Jelić AN, Patarić AS, Putić SS. Prediction of thermal and mechanical properties of acrylate-based composites using artificial neural network modeling. in Hemijska industrija. 2023;77(4):293-302.
doi:10.2298/HEMIND230119029M .

Mališić, Vanja Z., Pezo, Milada L., Jelić, Aleksandra N., Patarić, Aleksandra S., Putić, Slaviša S., "Prediction of thermal and mechanical properties of acrylate-based composites using artificial neural network modeling" in Hemijska industrija, 77, no. 4 (2023):293-302,
https://doi.org/10.2298/HEMIND230119029M . .

TY  - JOUR
AU  - Jelić, Aleksandra
AU  - Sekulić, Milica
AU  - Travica, Milan
AU  - Gržetić, Jelena
AU  - Ugrinović, Vukašin
AU  - Marinković, Aleksandar D.
AU  - Božić, Aleksandra
AU  - Stamenović, Marina
AU  - Putić, Slaviša
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5110
AB  - In this study, silicate nanofillers; dicalcium silicate, magnesium silicate, tricalcium silicate, and wollastonite; were synthesized using four different methods and incorporated into the epoxy resin to improve its mechanical properties. Characterization of the newly synthesized nanofillers was performed using Fourier-transformation infrared (FTIR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The purpose of this study was to analyze newly developed composite materials reinforced with silicate nanoparticles utilizing tensile testing and a full-field non-contact 3D Digital Image Correlation (DIC) method. Analysis of deformation and displacement fields gives precise material behavior during testing. Testing results allowed a more reliable assessment of the structural integrity of epoxy composite materials reinforced using different silicate nanofillers. It was concluded that the addition of 3% of dicalcium silicate, magnesium silicate, tricalcium silicate, and wollastonite lead to the increasement of tensile strength up to 31.5%, 29.0%, 27.5%, and 23.5% in comparison with neat epoxy, respectively. In order to offer more trustworthy information about the viscoelastic behavior of neat epoxy and composites, a dynamic mechanical analysis (DMA) was also performed and rheological measurements of uncured epoxy matrix and epoxy suspensions were obtained.
PB  - MDPI
T2  - Polymers
T1  - Determination of Mechanical Properties of Epoxy Composite Materials Reinforced with Silicate Nanofillers Using Digital Image Correlation (DIC)
IS  - 6
SP  - 1255
VL  - 14
DO  - 10.3390/polym14061255
ER  - 

@article{
author = "Jelić, Aleksandra and Sekulić, Milica and Travica, Milan and Gržetić, Jelena and Ugrinović, Vukašin and Marinković, Aleksandar D. and Božić, Aleksandra and Stamenović, Marina and Putić, Slaviša",
year = "2022",
abstract = "In this study, silicate nanofillers; dicalcium silicate, magnesium silicate, tricalcium silicate, and wollastonite; were synthesized using four different methods and incorporated into the epoxy resin to improve its mechanical properties. Characterization of the newly synthesized nanofillers was performed using Fourier-transformation infrared (FTIR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The purpose of this study was to analyze newly developed composite materials reinforced with silicate nanoparticles utilizing tensile testing and a full-field non-contact 3D Digital Image Correlation (DIC) method. Analysis of deformation and displacement fields gives precise material behavior during testing. Testing results allowed a more reliable assessment of the structural integrity of epoxy composite materials reinforced using different silicate nanofillers. It was concluded that the addition of 3% of dicalcium silicate, magnesium silicate, tricalcium silicate, and wollastonite lead to the increasement of tensile strength up to 31.5%, 29.0%, 27.5%, and 23.5% in comparison with neat epoxy, respectively. In order to offer more trustworthy information about the viscoelastic behavior of neat epoxy and composites, a dynamic mechanical analysis (DMA) was also performed and rheological measurements of uncured epoxy matrix and epoxy suspensions were obtained.",
publisher = "MDPI",
journal = "Polymers",
title = "Determination of Mechanical Properties of Epoxy Composite Materials Reinforced with Silicate Nanofillers Using Digital Image Correlation (DIC)",
number = "6",
pages = "1255",
volume = "14",
doi = "10.3390/polym14061255"
}

Jelić, A., Sekulić, M., Travica, M., Gržetić, J., Ugrinović, V., Marinković, A. D., Božić, A., Stamenović, M.,& Putić, S.. (2022). Determination of Mechanical Properties of Epoxy Composite Materials Reinforced with Silicate Nanofillers Using Digital Image Correlation (DIC). in Polymers
MDPI., 14(6), 1255.
https://doi.org/10.3390/polym14061255

Jelić A, Sekulić M, Travica M, Gržetić J, Ugrinović V, Marinković AD, Božić A, Stamenović M, Putić S. Determination of Mechanical Properties of Epoxy Composite Materials Reinforced with Silicate Nanofillers Using Digital Image Correlation (DIC). in Polymers. 2022;14(6):1255.
doi:10.3390/polym14061255 .

Jelić, Aleksandra, Sekulić, Milica, Travica, Milan, Gržetić, Jelena, Ugrinović, Vukašin, Marinković, Aleksandar D., Božić, Aleksandra, Stamenović, Marina, Putić, Slaviša, "Determination of Mechanical Properties of Epoxy Composite Materials Reinforced with Silicate Nanofillers Using Digital Image Correlation (DIC)" in Polymers, 14, no. 6 (2022):1255,
https://doi.org/10.3390/polym14061255 . .

TY  - JOUR
AU  - Jelić, Aleksandra
AU  - Božić, A.
AU  - Stamenović, Marina
AU  - Sekulić, Milica
AU  - Porobić, Slavica
AU  - Dikić, Stefan
AU  - Putić, Slaviša
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4587
AB  - Halloysite nanotubes (HNTs), naturally occurring as aluminosilicate nanoclay mineral, have recently emerged as a possible nanomaterial for countless applications due to their specific chemical structure, tubular shape, high aspect ratio, biocompatibility and low toxicity. In this study, HNTs were incorporated into the epoxy resin matrix to improve its mechanical properties and thermal stability. However, heterogeneous size, surface charge and surface hydrogen bond formation, result in aggregation of HNTs in epoxies to a certain extent. Three specific techniques were used to integrate HNTs into neat epoxy resin (NE). The structure and morphology of the embedded nanotubes were confirmed by Fourier-transform infrared (FTIR) spectroscopy and X-ray diffraction (XRD). Tensile testing was carried out and the fractured surface of the tested specimen was analysed using scanning electron microscopy (SEM). The thermal stability of the prepared nanocomposite materials was investigated by thermogravimetric (TG) and derivative thermogravimetry (DTG) studies. The obtained results indicated that improved properties of HNTs/epoxy nanocomposite materials were related to the unique properties of well-dispersed HNTs, agglomerate scale, and reduced void presence, and could be controlled by the manufacturing processes.
PB  - International Conference on New Technologies, Development and Application, NT 2020
T2  - Lecture Notes in Networks and Systems
T1  - Effects of dispersion and particle-matrix interactions on mechanical and thermal properties of hnt/epoxy nanocomposite materials
EP  - 325
SP  - 310
VL  - 153
DO  - 10.1007/978-3-030-58362-0_18
ER  - 

@article{
author = "Jelić, Aleksandra and Božić, A. and Stamenović, Marina and Sekulić, Milica and Porobić, Slavica and Dikić, Stefan and Putić, Slaviša",
year = "2021",
abstract = "Halloysite nanotubes (HNTs), naturally occurring as aluminosilicate nanoclay mineral, have recently emerged as a possible nanomaterial for countless applications due to their specific chemical structure, tubular shape, high aspect ratio, biocompatibility and low toxicity. In this study, HNTs were incorporated into the epoxy resin matrix to improve its mechanical properties and thermal stability. However, heterogeneous size, surface charge and surface hydrogen bond formation, result in aggregation of HNTs in epoxies to a certain extent. Three specific techniques were used to integrate HNTs into neat epoxy resin (NE). The structure and morphology of the embedded nanotubes were confirmed by Fourier-transform infrared (FTIR) spectroscopy and X-ray diffraction (XRD). Tensile testing was carried out and the fractured surface of the tested specimen was analysed using scanning electron microscopy (SEM). The thermal stability of the prepared nanocomposite materials was investigated by thermogravimetric (TG) and derivative thermogravimetry (DTG) studies. The obtained results indicated that improved properties of HNTs/epoxy nanocomposite materials were related to the unique properties of well-dispersed HNTs, agglomerate scale, and reduced void presence, and could be controlled by the manufacturing processes.",
publisher = "International Conference on New Technologies, Development and Application, NT 2020",
journal = "Lecture Notes in Networks and Systems",
title = "Effects of dispersion and particle-matrix interactions on mechanical and thermal properties of hnt/epoxy nanocomposite materials",
pages = "325-310",
volume = "153",
doi = "10.1007/978-3-030-58362-0_18"
}

Jelić, A., Božić, A., Stamenović, M., Sekulić, M., Porobić, S., Dikić, S.,& Putić, S.. (2021). Effects of dispersion and particle-matrix interactions on mechanical and thermal properties of hnt/epoxy nanocomposite materials. in Lecture Notes in Networks and Systems
International Conference on New Technologies, Development and Application, NT 2020., 153, 310-325.
https://doi.org/10.1007/978-3-030-58362-0_18

Jelić A, Božić A, Stamenović M, Sekulić M, Porobić S, Dikić S, Putić S. Effects of dispersion and particle-matrix interactions on mechanical and thermal properties of hnt/epoxy nanocomposite materials. in Lecture Notes in Networks and Systems. 2021;153:310-325.
doi:10.1007/978-3-030-58362-0_18 .

Jelić, Aleksandra, Božić, A., Stamenović, Marina, Sekulić, Milica, Porobić, Slavica, Dikić, Stefan, Putić, Slaviša, "Effects of dispersion and particle-matrix interactions on mechanical and thermal properties of hnt/epoxy nanocomposite materials" in Lecture Notes in Networks and Systems, 153 (2021):310-325,
https://doi.org/10.1007/978-3-030-58362-0_18 . .

TY  - JOUR
AU  - Jelić, Aleksandra
AU  - Marinković, Aleksandar
AU  - Sekulic, Milica
AU  - Dikić, Stefan
AU  - Ugrinović, Vukašin
AU  - Pavlović, Vladimir
AU  - Putić, Slaviša
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4961
AB  - In this study, halloysite nanotubes (HNT) were modified by: 3-glycidyloxypropyltrimethoxysilane (GLYMO), 3-aminopropyltrimethoxysilane (APTES), and 2,2-Bis[4-(glycidyloxy) phenyl] propane (DGEBA), and incorporated in the epoxy resin matrix to enhance its mechanical properties. The HNT/epoxy nanocomposite materials were prepared by mixing different ratios of untreated/treated HNT with neat epoxy resin. Characterization of untreated/treated HNT was performed by Fourier-transformation infrared (FTIR) spectroscopy, and X-ray diffraction (XRD). The quantity of grafted molecules and thermal stability of newly synthesized materials were determined by thermogravimetric (TG) and derivative thermogravimetric (DTG) analysis. Tensile properties of newly synthesized materials were compared, and scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis of the fracture surfaces were performed. Incorporation of APTES modified HNT (HNTAPT) and two-step modification APTES followed by DGEBA (HNTAPTDG) has increased the tensile strength of the nanocomposite materials up to 72% and 61%, and strain at break up to 1082% and 1216%, respectively, compared to neat epoxy. It was concluded that the modification of HNT contributed to the enhancement of the dispersion and the cross-linking in the epoxy resin matrix.
T2  - Polymer Composites
T1  - Design of halloysite modification for improvement of mechanical properties of the epoxy based nanocomposites
EP  - 2192
IS  - 5
SP  - 2180
VL  - 42
DO  - 10.1002/pc.25967
ER  - 

@article{
author = "Jelić, Aleksandra and Marinković, Aleksandar and Sekulic, Milica and Dikić, Stefan and Ugrinović, Vukašin and Pavlović, Vladimir and Putić, Slaviša",
year = "2021",
abstract = "In this study, halloysite nanotubes (HNT) were modified by: 3-glycidyloxypropyltrimethoxysilane (GLYMO), 3-aminopropyltrimethoxysilane (APTES), and 2,2-Bis[4-(glycidyloxy) phenyl] propane (DGEBA), and incorporated in the epoxy resin matrix to enhance its mechanical properties. The HNT/epoxy nanocomposite materials were prepared by mixing different ratios of untreated/treated HNT with neat epoxy resin. Characterization of untreated/treated HNT was performed by Fourier-transformation infrared (FTIR) spectroscopy, and X-ray diffraction (XRD). The quantity of grafted molecules and thermal stability of newly synthesized materials were determined by thermogravimetric (TG) and derivative thermogravimetric (DTG) analysis. Tensile properties of newly synthesized materials were compared, and scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis of the fracture surfaces were performed. Incorporation of APTES modified HNT (HNTAPT) and two-step modification APTES followed by DGEBA (HNTAPTDG) has increased the tensile strength of the nanocomposite materials up to 72% and 61%, and strain at break up to 1082% and 1216%, respectively, compared to neat epoxy. It was concluded that the modification of HNT contributed to the enhancement of the dispersion and the cross-linking in the epoxy resin matrix.",
journal = "Polymer Composites",
title = "Design of halloysite modification for improvement of mechanical properties of the epoxy based nanocomposites",
pages = "2192-2180",
number = "5",
volume = "42",
doi = "10.1002/pc.25967"
}

Jelić, A., Marinković, A., Sekulic, M., Dikić, S., Ugrinović, V., Pavlović, V.,& Putić, S.. (2021). Design of halloysite modification for improvement of mechanical properties of the epoxy based nanocomposites. in Polymer Composites, 42(5), 2180-2192.
https://doi.org/10.1002/pc.25967

Jelić A, Marinković A, Sekulic M, Dikić S, Ugrinović V, Pavlović V, Putić S. Design of halloysite modification for improvement of mechanical properties of the epoxy based nanocomposites. in Polymer Composites. 2021;42(5):2180-2192.
doi:10.1002/pc.25967 .

Jelić, Aleksandra, Marinković, Aleksandar, Sekulic, Milica, Dikić, Stefan, Ugrinović, Vukašin, Pavlović, Vladimir, Putić, Slaviša, "Design of halloysite modification for improvement of mechanical properties of the epoxy based nanocomposites" in Polymer Composites, 42, no. 5 (2021):2180-2192,
https://doi.org/10.1002/pc.25967 . .

TY  - JOUR
AU  - Jelić, Aleksandra
AU  - Sekulić, Milica
AU  - Stamenović, Marina
AU  - Ugrinović, Vukašin
AU  - Putić, Slaviša
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4399
AB  - The paper presents static and dynamic tests of carbon/epoxy composite materials with fiber orientation at 0 degrees/90 degrees and +/- 45 degrees. The main tensile properties were determined as a basis for subsequent dynamic tests, in which permanent dynamic strength, crack growth, and crack growth rate in the material due to the action of fatigue load were assessed. Comparisons were made regarding the structure of the tested specimens. Samples were obtained from prepregs with a specific density of 1600 kg/m(3). The tests were performed at room temperature. Scanning electron microscopy (SEM) was used to analyze the damage in the material during these tests, the mechanisms of their further damage progression and, the impact on the growth and growth rate of the initial crack in the material. The analysis of numerical results and micromechanical analysis confirmed the dominant role of the reinforcing structural element in the material in all performed tests. The obtained results are of great importance in the application of composite materials of such structures under different operating conditions and load regimes.
PB  - Savez hemijskih inženjera, Beograd
T2  - Hemijska industrija
T1  - Micromechanical analysis of fatigue and crack growth in carbon-fiber epoxy composites based on mechanical testing
EP  - 264
IS  - 4
SP  - 257
VL  - 74
DO  - 10.2298/HEMIND200615022J
ER  - 

@article{
author = "Jelić, Aleksandra and Sekulić, Milica and Stamenović, Marina and Ugrinović, Vukašin and Putić, Slaviša",
year = "2020",
abstract = "The paper presents static and dynamic tests of carbon/epoxy composite materials with fiber orientation at 0 degrees/90 degrees and +/- 45 degrees. The main tensile properties were determined as a basis for subsequent dynamic tests, in which permanent dynamic strength, crack growth, and crack growth rate in the material due to the action of fatigue load were assessed. Comparisons were made regarding the structure of the tested specimens. Samples were obtained from prepregs with a specific density of 1600 kg/m(3). The tests were performed at room temperature. Scanning electron microscopy (SEM) was used to analyze the damage in the material during these tests, the mechanisms of their further damage progression and, the impact on the growth and growth rate of the initial crack in the material. The analysis of numerical results and micromechanical analysis confirmed the dominant role of the reinforcing structural element in the material in all performed tests. The obtained results are of great importance in the application of composite materials of such structures under different operating conditions and load regimes.",
publisher = "Savez hemijskih inženjera, Beograd",
journal = "Hemijska industrija",
title = "Micromechanical analysis of fatigue and crack growth in carbon-fiber epoxy composites based on mechanical testing",
pages = "264-257",
number = "4",
volume = "74",
doi = "10.2298/HEMIND200615022J"
}

Jelić, A., Sekulić, M., Stamenović, M., Ugrinović, V.,& Putić, S.. (2020). Micromechanical analysis of fatigue and crack growth in carbon-fiber epoxy composites based on mechanical testing. in Hemijska industrija
Savez hemijskih inženjera, Beograd., 74(4), 257-264.
https://doi.org/10.2298/HEMIND200615022J

Jelić A, Sekulić M, Stamenović M, Ugrinović V, Putić S. Micromechanical analysis of fatigue and crack growth in carbon-fiber epoxy composites based on mechanical testing. in Hemijska industrija. 2020;74(4):257-264.
doi:10.2298/HEMIND200615022J .

Jelić, Aleksandra, Sekulić, Milica, Stamenović, Marina, Ugrinović, Vukašin, Putić, Slaviša, "Micromechanical analysis of fatigue and crack growth in carbon-fiber epoxy composites based on mechanical testing" in Hemijska industrija, 74, no. 4 (2020):257-264,
https://doi.org/10.2298/HEMIND200615022J . .

TY  - JOUR
AU  - Alivojvodić, Vesna
AU  - Stamenović, Marina
AU  - Kovačević, Danijela
AU  - Putić, Slaviša
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4554
AB  - The efficient use of energy and resources is important from the point of environmental responsibility, but at the same time, it can be an opportunity towards obtaining economic value. Waste-to-energy (WtE) plants have the dual objective first to reduce the amount of waste sent to landfills, and second to generate electricity, heat and biogas. Tracking the flows of energy and materials within WtE system could be convenient optimization tool for waste treatment process. Through modeling and simulation of complex operating systems, it is manageable to present the actual operation states and conditions, and in case of modified operation conditions, possible treatment results. To achieve better operating performances chosen models can analyze, adjust and improve the WtE process in accordance to desired parameters. This paper gives an insight of some of the most adequate tools for modeling of WtE plants.
AB  - Efikasno korišćenje energije i resursa važno je sa stanovišta odgovornosti za životnu sredinu, ali istovremeno treba imati u potencijalnu ekonomsku dobit. Postrojenja za proizvodnju energije iz otpada (eng. Waste-to-Energy, WtE) imaju dvostruki cilj, da smanje količinu otpada koja se šalje na deponije, kao i da omoguće proizvodnju električne energije, toplote i biogasa. Praćenje protoka energije i materijala unutar ovih postrojenja, može da predstavlja praktičan alat za optimizaciju tretmana otpada. Pomoću modeliranja i simulacije složenih operativnih sistema, moguće je prikazati stvarna radna stanja i uslove procesa, a u slučaju izmenjenih uslova rada i moguće rezultate tretmana. U cilju postizanja boljih operativnih performansi, odabrani modeli mogu vršiti analizu, mogu prilagoditi i poboljšati proces dobijanja generisanja energije iz otpada u skladu sa željenim parametrima. Ovaj rad daje uvid u neke od najprikladnijih alata za modeliranje postrojenja za dobijanje energije iz otpada.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Tools for optimizing the operating conditions of waste-to-energy plant
T1  - Alati za optimizaciju radnih uslova postrojenja za energetsko iskorišćenje otpada
EP  - 103
IS  - 2
SP  - 97
VL  - 61
DO  - 10.5937/zasmat2002097A
ER  - 

@article{
author = "Alivojvodić, Vesna and Stamenović, Marina and Kovačević, Danijela and Putić, Slaviša",
year = "2020",
abstract = "The efficient use of energy and resources is important from the point of environmental responsibility, but at the same time, it can be an opportunity towards obtaining economic value. Waste-to-energy (WtE) plants have the dual objective first to reduce the amount of waste sent to landfills, and second to generate electricity, heat and biogas. Tracking the flows of energy and materials within WtE system could be convenient optimization tool for waste treatment process. Through modeling and simulation of complex operating systems, it is manageable to present the actual operation states and conditions, and in case of modified operation conditions, possible treatment results. To achieve better operating performances chosen models can analyze, adjust and improve the WtE process in accordance to desired parameters. This paper gives an insight of some of the most adequate tools for modeling of WtE plants., Efikasno korišćenje energije i resursa važno je sa stanovišta odgovornosti za životnu sredinu, ali istovremeno treba imati u potencijalnu ekonomsku dobit. Postrojenja za proizvodnju energije iz otpada (eng. Waste-to-Energy, WtE) imaju dvostruki cilj, da smanje količinu otpada koja se šalje na deponije, kao i da omoguće proizvodnju električne energije, toplote i biogasa. Praćenje protoka energije i materijala unutar ovih postrojenja, može da predstavlja praktičan alat za optimizaciju tretmana otpada. Pomoću modeliranja i simulacije složenih operativnih sistema, moguće je prikazati stvarna radna stanja i uslove procesa, a u slučaju izmenjenih uslova rada i moguće rezultate tretmana. U cilju postizanja boljih operativnih performansi, odabrani modeli mogu vršiti analizu, mogu prilagoditi i poboljšati proces dobijanja generisanja energije iz otpada u skladu sa željenim parametrima. Ovaj rad daje uvid u neke od najprikladnijih alata za modeliranje postrojenja za dobijanje energije iz otpada.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Tools for optimizing the operating conditions of waste-to-energy plant, Alati za optimizaciju radnih uslova postrojenja za energetsko iskorišćenje otpada",
pages = "103-97",
number = "2",
volume = "61",
doi = "10.5937/zasmat2002097A"
}

Alivojvodić, V., Stamenović, M., Kovačević, D.,& Putić, S.. (2020). Tools for optimizing the operating conditions of waste-to-energy plant. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 61(2), 97-103.
https://doi.org/10.5937/zasmat2002097A

Alivojvodić V, Stamenović M, Kovačević D, Putić S. Tools for optimizing the operating conditions of waste-to-energy plant. in Zaštita materijala. 2020;61(2):97-103.
doi:10.5937/zasmat2002097A .

Alivojvodić, Vesna, Stamenović, Marina, Kovačević, Danijela, Putić, Slaviša, "Tools for optimizing the operating conditions of waste-to-energy plant" in Zaštita materijala, 61, no. 2 (2020):97-103,
https://doi.org/10.5937/zasmat2002097A . .

TY  - JOUR
AU  - Stamenović, Marina
AU  - Kovačević, Danijela
AU  - Alivojvodić, Vesna
AU  - Putić, Slaviša
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4556
AB  - The expression waste-to-energy technologies is increasingly being used regarding waste reduction and utilization. Waste-to-energy technologies are procedures used to generate different forms of energy starting from a waste source. Considering that this pap waste, the previously mentioned procedures can be divided into mechanical, thermal and chemical treatment of composite waste. Thermal treatment processes provide a wide range of options to produce electricity, heat, oils, gases, fuels and chemicals starting waste. Some procedures are used for commercial purposes, while many are still being developed in laboratories or semi-industrial plants. The presented paper is focused to briefly review recent ld of thermal treatment of composite waste materials.
AB  - Proizvodnja energije iz otpadnih materijala primenom različitih tehnologija je jedan od načina ponovne upotrebe i ujedno redukcije otpadnih materijala. Sve ove tehnologije reciklaže imaju jednu zajedničku karakteristiku - dobijanje energije u različitim oblicima, polazeci od otpadnih materijala kao sirovina. Imajuci u vidu da je ovaj rad fokusiran na kompozitne otpadne materijale, pomenute procedure se mogu podeliti na mehaničke, termičke i hemijske tretmane kompozithog otpada. Termički tretmanima kompozitnog otpada je moguća proizvodnja energije u vidu eliktriciteta, toplote, ulja, gasova, goriva i različitih hemijskih jedinjenja. Pojedine procedure su uvedene u komercijalnu upotrebu, dok se veliki broj njih trenutno razvija u laboratorijskim ili poluindustrijskim postrojenjima. U radu je ukratko dat prikaz trenutnog stanja i inovacija u oblasti termičkog tretmana otpadnih kompozitnih materijala.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Thermal treatment of composite wastes for energy recovery
T1  - Termički tretman otpadnih kompozitnih materijala u cilju dobijanja energije
EP  - 18
IS  - 1
SP  - 13
VL  - 61
DO  - 10.5937/zasmat2001013S
ER  - 

@article{
author = "Stamenović, Marina and Kovačević, Danijela and Alivojvodić, Vesna and Putić, Slaviša",
year = "2020",
abstract = "The expression waste-to-energy technologies is increasingly being used regarding waste reduction and utilization. Waste-to-energy technologies are procedures used to generate different forms of energy starting from a waste source. Considering that this pap waste, the previously mentioned procedures can be divided into mechanical, thermal and chemical treatment of composite waste. Thermal treatment processes provide a wide range of options to produce electricity, heat, oils, gases, fuels and chemicals starting waste. Some procedures are used for commercial purposes, while many are still being developed in laboratories or semi-industrial plants. The presented paper is focused to briefly review recent ld of thermal treatment of composite waste materials., Proizvodnja energije iz otpadnih materijala primenom različitih tehnologija je jedan od načina ponovne upotrebe i ujedno redukcije otpadnih materijala. Sve ove tehnologije reciklaže imaju jednu zajedničku karakteristiku - dobijanje energije u različitim oblicima, polazeci od otpadnih materijala kao sirovina. Imajuci u vidu da je ovaj rad fokusiran na kompozitne otpadne materijale, pomenute procedure se mogu podeliti na mehaničke, termičke i hemijske tretmane kompozithog otpada. Termički tretmanima kompozitnog otpada je moguća proizvodnja energije u vidu eliktriciteta, toplote, ulja, gasova, goriva i različitih hemijskih jedinjenja. Pojedine procedure su uvedene u komercijalnu upotrebu, dok se veliki broj njih trenutno razvija u laboratorijskim ili poluindustrijskim postrojenjima. U radu je ukratko dat prikaz trenutnog stanja i inovacija u oblasti termičkog tretmana otpadnih kompozitnih materijala.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Thermal treatment of composite wastes for energy recovery, Termički tretman otpadnih kompozitnih materijala u cilju dobijanja energije",
pages = "18-13",
number = "1",
volume = "61",
doi = "10.5937/zasmat2001013S"
}

Stamenović, M., Kovačević, D., Alivojvodić, V.,& Putić, S.. (2020). Thermal treatment of composite wastes for energy recovery. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 61(1), 13-18.
https://doi.org/10.5937/zasmat2001013S

Stamenović M, Kovačević D, Alivojvodić V, Putić S. Thermal treatment of composite wastes for energy recovery. in Zaštita materijala. 2020;61(1):13-18.
doi:10.5937/zasmat2001013S .

Stamenović, Marina, Kovačević, Danijela, Alivojvodić, Vesna, Putić, Slaviša, "Thermal treatment of composite wastes for energy recovery" in Zaštita materijala, 61, no. 1 (2020):13-18,
https://doi.org/10.5937/zasmat2001013S . .

TY  - JOUR
AU  - Mališić, Vanja Z.
AU  - Tomić, Nataša Z.
AU  - Vuksanović, Marija M.
AU  - Balanč, Bojana D.
AU  - Stević, Zoran M.
AU  - Marinković, Aleksandar D.
AU  - Jančić Heinemann, Radmila M.
AU  - Putić, Slaviša S.
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4740
AB  - Thermal properties of acrylate-based composite combined with alumina-based particles were investigated. The composites were made of poly (methyl methacrylate) (PMMA) modified with dimethyl itaconate (DMI) as a matrix. Neat alumina particles (Al2O3) and alumina doped with iron oxide (Al2O3-Fe) modified with 3-aminopropyl-trimethoxylane (AM) and flax oil fatty acid methyl esters (biodiesel - BD) were used as reinforcement. Thermal conductivity measurements showed that composite with alumina particles with the highest alpha phase content had the highest thermal conductivity values. Mechanical properties (tensile strength, modulus of elasticity and elongation at break) were improved by the addition of modified alumina particles to PMMA/DMI matrix. The thermal properties are the most improved for composite with 3 wt.% Al2O3-Fe-AM particles that had the lowest temperature in a crack zone was noticed (10.28 %) compared to PMMA added due to the better stiffness and highest thermal conductivity.
PB  - International Institute for the Science of Sintering (IISS)
T2  - Science of Sintering
T1  - An Experimental Study of Mechanical Properties and Heat Transfer of Acrylic Composites with Structural and Surface Modified Al2O3 Particles
EP  - 467
IS  - 4
SP  - 457
VL  - 52
DO  - 10.2298/SOS2004457M
ER  - 

@article{
author = "Mališić, Vanja Z. and Tomić, Nataša Z. and Vuksanović, Marija M. and Balanč, Bojana D. and Stević, Zoran M. and Marinković, Aleksandar D. and Jančić Heinemann, Radmila M. and Putić, Slaviša S.",
year = "2020",
abstract = "Thermal properties of acrylate-based composite combined with alumina-based particles were investigated. The composites were made of poly (methyl methacrylate) (PMMA) modified with dimethyl itaconate (DMI) as a matrix. Neat alumina particles (Al2O3) and alumina doped with iron oxide (Al2O3-Fe) modified with 3-aminopropyl-trimethoxylane (AM) and flax oil fatty acid methyl esters (biodiesel - BD) were used as reinforcement. Thermal conductivity measurements showed that composite with alumina particles with the highest alpha phase content had the highest thermal conductivity values. Mechanical properties (tensile strength, modulus of elasticity and elongation at break) were improved by the addition of modified alumina particles to PMMA/DMI matrix. The thermal properties are the most improved for composite with 3 wt.% Al2O3-Fe-AM particles that had the lowest temperature in a crack zone was noticed (10.28 %) compared to PMMA added due to the better stiffness and highest thermal conductivity.",
publisher = "International Institute for the Science of Sintering (IISS)",
journal = "Science of Sintering",
title = "An Experimental Study of Mechanical Properties and Heat Transfer of Acrylic Composites with Structural and Surface Modified Al2O3 Particles",
pages = "467-457",
number = "4",
volume = "52",
doi = "10.2298/SOS2004457M"
}

Mališić, V. Z., Tomić, N. Z., Vuksanović, M. M., Balanč, B. D., Stević, Z. M., Marinković, A. D., Jančić Heinemann, R. M.,& Putić, S. S.. (2020). An Experimental Study of Mechanical Properties and Heat Transfer of Acrylic Composites with Structural and Surface Modified Al2O3 Particles. in Science of Sintering
International Institute for the Science of Sintering (IISS)., 52(4), 457-467.
https://doi.org/10.2298/SOS2004457M

Mališić VZ, Tomić NZ, Vuksanović MM, Balanč BD, Stević ZM, Marinković AD, Jančić Heinemann RM, Putić SS. An Experimental Study of Mechanical Properties and Heat Transfer of Acrylic Composites with Structural and Surface Modified Al2O3 Particles. in Science of Sintering. 2020;52(4):457-467.
doi:10.2298/SOS2004457M .

Mališić, Vanja Z., Tomić, Nataša Z., Vuksanović, Marija M., Balanč, Bojana D., Stević, Zoran M., Marinković, Aleksandar D., Jančić Heinemann, Radmila M., Putić, Slaviša S., "An Experimental Study of Mechanical Properties and Heat Transfer of Acrylic Composites with Structural and Surface Modified Al2O3 Particles" in Science of Sintering, 52, no. 4 (2020):457-467,
https://doi.org/10.2298/SOS2004457M . .

TY  - JOUR
AU  - Vujčić, Ivica
AU  - Gavrilović, Tamara V.
AU  - Sekulić, Milica
AU  - Mašić, Slobodan
AU  - Putić, Slaviša
AU  - Papan, Jelena
AU  - Dramićanin, Miroslav
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4039
AB  - Eu3+ activated LaPO4 phosphors were prepared by a high-temperature solid-state method and irradiated to different high-doses gamma-radiation in the 0-4 MGy range. No effects of high-doses of high-energy radiation on phosphor's morphology and structure were observed, as documented by electron microscopy and X-ray diffraction measurements. On the other hand, photoluminescence measurements showed that emission properties of phosphor were affected by gamma-radiation; changes in radiative properties being prominent for absorbed radiation doses up to 250 kGy after which no additional changes are observed. Judd-Ofelt analysis of emission spectra is performed to thoroughly investigate radiative properties of phosphors. Analysis showed that radiative transition probability of Eu3+ emission decreases while non-radiative probability increases upon gamma-irradiation. Quantum efficiency of emission is decreased from about 46% to 35% when Eu3+ doped LaPO4 powders are exposed to gamma-radiation of 250 kGy dose, showing no additional decrease for higher gamma-radiation doses.
PB  - Elsevier Science Bv, Amsterdam
T2  - Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Ato
T1  - Gamma-radiation effects on luminescence properties of Eu3+ activated LaPO4 phosphor
EP  - 90
SP  - 85
VL  - 422
DO  - 10.1016/j.nimb.2018.03.002
ER  - 

@article{
author = "Vujčić, Ivica and Gavrilović, Tamara V. and Sekulić, Milica and Mašić, Slobodan and Putić, Slaviša and Papan, Jelena and Dramićanin, Miroslav",
year = "2018",
abstract = "Eu3+ activated LaPO4 phosphors were prepared by a high-temperature solid-state method and irradiated to different high-doses gamma-radiation in the 0-4 MGy range. No effects of high-doses of high-energy radiation on phosphor's morphology and structure were observed, as documented by electron microscopy and X-ray diffraction measurements. On the other hand, photoluminescence measurements showed that emission properties of phosphor were affected by gamma-radiation; changes in radiative properties being prominent for absorbed radiation doses up to 250 kGy after which no additional changes are observed. Judd-Ofelt analysis of emission spectra is performed to thoroughly investigate radiative properties of phosphors. Analysis showed that radiative transition probability of Eu3+ emission decreases while non-radiative probability increases upon gamma-irradiation. Quantum efficiency of emission is decreased from about 46% to 35% when Eu3+ doped LaPO4 powders are exposed to gamma-radiation of 250 kGy dose, showing no additional decrease for higher gamma-radiation doses.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Ato",
title = "Gamma-radiation effects on luminescence properties of Eu3+ activated LaPO4 phosphor",
pages = "90-85",
volume = "422",
doi = "10.1016/j.nimb.2018.03.002"
}

Vujčić, I., Gavrilović, T. V., Sekulić, M., Mašić, S., Putić, S., Papan, J.,& Dramićanin, M.. (2018). Gamma-radiation effects on luminescence properties of Eu3+ activated LaPO4 phosphor. in Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Ato
Elsevier Science Bv, Amsterdam., 422, 85-90.
https://doi.org/10.1016/j.nimb.2018.03.002

Vujčić I, Gavrilović TV, Sekulić M, Mašić S, Putić S, Papan J, Dramićanin M. Gamma-radiation effects on luminescence properties of Eu3+ activated LaPO4 phosphor. in Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Ato. 2018;422:85-90.
doi:10.1016/j.nimb.2018.03.002 .

Vujčić, Ivica, Gavrilović, Tamara V., Sekulić, Milica, Mašić, Slobodan, Putić, Slaviša, Papan, Jelena, Dramićanin, Miroslav, "Gamma-radiation effects on luminescence properties of Eu3+ activated LaPO4 phosphor" in Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Ato, 422 (2018):85-90,
https://doi.org/10.1016/j.nimb.2018.03.002 . .

TY  - JOUR
AU  - Tasić, Ana
AU  - Mališić, Vanja
AU  - Stamenović, Marina
AU  - Drmanić, Saša
AU  - Međo, Bojan
AU  - Putić, Slaviša
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3203
AB  - The basic subject of this paper was the determination of the strain distribution in glass-polyester composite pipes subjected to internal pressure. Firstly, the test was performed on virgin pipe segments (without the influence of acidic solution) to determine the original properties of the examined composite pipes. Subsequently, the pipes were subjected to the influence of 25% acidic solution. Phosphoric and nitric acid were chosen, because of their frequent use in chemical industry, either as reactants or as products. The pipes were made by 'filament winding' method, with the angles of the glass fibers reinforcement [90°]2[±55°]4[90°]4. The tests were performed by subjecting the polymer composite pipes to internal pressure; the strain values were determined by strain gages in three directions: 0°, 90° and ± 45° with respect to the pipe axis. The tests were performed until the leakage occurred, up to the pressure value of approximately 100 bar, i.e. until the occurrence of the first cracks. Also, the micromechanical analysis on fracture surfaces was done by Scanning Electron Microscopy (SEM), which provided the knowledge about models and mechanisms of fracture due to the applied loading.
AB  - Cilj ovog rada je određivanje raspodele deformacija kod staklo-poliestar kompozitnih cevi koje su istaložene dejstvu unutrašnjeg pritiska. Prethodno su izvršena ispitivanja na netretiranim cevima u cilju određivanja originalnih svojstava. Zatim su cevi tretirane 25%-im rastvorom kiselina. Upotrebljene su fosforna i azotna kiselina zbog njihove česte upotrebe u hemijskoj industriji. Cevi su izrađene metodom namotavanja ('filament winding'), pri čemu su uglovi namotavanja staklenih vlakana [90 ]2[±55°]4[90°]4. Vrednosti deformacija usled delovanja unutrašnjeg pritiska su registrovane mernim trakama postavljenim u tri pravca: 0°, 90° i ± 45° u odnosu na osu cevi. Ispitivanja su izvođena do pojave procurivanja pri vrednosti pritiska od 100 bar, tj. do pojave prvih prslina. Prikazana je i mikromehanička analiza izvedena na prelomnim površinama pomoću skenirajućeg elektronskog mikroskopa (SEM) čime su dobijena saznanja o modelima i mehanizmima loma usled dejstva primenjenog opterećenja.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Influence of acidic solutions on the strain distribution in glasspolyester composite pipes subjected to internal pressure
T1  - Uticaj rastvora kiselina na raspodelu deformacija kod staklo-poliestar kompozitnih cevi istaloženih dejstvu unutrašnjeg pritiska
EP  - 118
IS  - 1
SP  - 110
VL  - 57
DO  - 10.5937/ZasMat1601110T
ER  - 

@article{
author = "Tasić, Ana and Mališić, Vanja and Stamenović, Marina and Drmanić, Saša and Međo, Bojan and Putić, Slaviša",
year = "2016",
abstract = "The basic subject of this paper was the determination of the strain distribution in glass-polyester composite pipes subjected to internal pressure. Firstly, the test was performed on virgin pipe segments (without the influence of acidic solution) to determine the original properties of the examined composite pipes. Subsequently, the pipes were subjected to the influence of 25% acidic solution. Phosphoric and nitric acid were chosen, because of their frequent use in chemical industry, either as reactants or as products. The pipes were made by 'filament winding' method, with the angles of the glass fibers reinforcement [90°]2[±55°]4[90°]4. The tests were performed by subjecting the polymer composite pipes to internal pressure; the strain values were determined by strain gages in three directions: 0°, 90° and ± 45° with respect to the pipe axis. The tests were performed until the leakage occurred, up to the pressure value of approximately 100 bar, i.e. until the occurrence of the first cracks. Also, the micromechanical analysis on fracture surfaces was done by Scanning Electron Microscopy (SEM), which provided the knowledge about models and mechanisms of fracture due to the applied loading., Cilj ovog rada je određivanje raspodele deformacija kod staklo-poliestar kompozitnih cevi koje su istaložene dejstvu unutrašnjeg pritiska. Prethodno su izvršena ispitivanja na netretiranim cevima u cilju određivanja originalnih svojstava. Zatim su cevi tretirane 25%-im rastvorom kiselina. Upotrebljene su fosforna i azotna kiselina zbog njihove česte upotrebe u hemijskoj industriji. Cevi su izrađene metodom namotavanja ('filament winding'), pri čemu su uglovi namotavanja staklenih vlakana [90 ]2[±55°]4[90°]4. Vrednosti deformacija usled delovanja unutrašnjeg pritiska su registrovane mernim trakama postavljenim u tri pravca: 0°, 90° i ± 45° u odnosu na osu cevi. Ispitivanja su izvođena do pojave procurivanja pri vrednosti pritiska od 100 bar, tj. do pojave prvih prslina. Prikazana je i mikromehanička analiza izvedena na prelomnim površinama pomoću skenirajućeg elektronskog mikroskopa (SEM) čime su dobijena saznanja o modelima i mehanizmima loma usled dejstva primenjenog opterećenja.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Influence of acidic solutions on the strain distribution in glasspolyester composite pipes subjected to internal pressure, Uticaj rastvora kiselina na raspodelu deformacija kod staklo-poliestar kompozitnih cevi istaloženih dejstvu unutrašnjeg pritiska",
pages = "118-110",
number = "1",
volume = "57",
doi = "10.5937/ZasMat1601110T"
}

Tasić, A., Mališić, V., Stamenović, M., Drmanić, S., Međo, B.,& Putić, S.. (2016). Influence of acidic solutions on the strain distribution in glasspolyester composite pipes subjected to internal pressure. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 57(1), 110-118.
https://doi.org/10.5937/ZasMat1601110T

Tasić A, Mališić V, Stamenović M, Drmanić S, Međo B, Putić S. Influence of acidic solutions on the strain distribution in glasspolyester composite pipes subjected to internal pressure. in Zaštita materijala. 2016;57(1):110-118.
doi:10.5937/ZasMat1601110T .

Tasić, Ana, Mališić, Vanja, Stamenović, Marina, Drmanić, Saša, Međo, Bojan, Putić, Slaviša, "Influence of acidic solutions on the strain distribution in glasspolyester composite pipes subjected to internal pressure" in Zaštita materijala, 57, no. 1 (2016):110-118,
https://doi.org/10.5937/ZasMat1601110T . .

TY  - JOUR
AU  - Dimić, Ivana
AU  - Cvijović-Alagić, Ivana
AU  - Obradović, Nataša
AU  - Petrović, Jelena
AU  - Putić, Slaviša
AU  - Rakin, Marko
AU  - Bugarski, Branko
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3087
AB  - Metallic materials, such as Co-Cr-Mo alloys, are exposed to aggressive conditions in the oral cavity that represents an ideal environment for metallic ion release and biodegradation. The metallic ions released from dental materials can cause local and/or systemic adverse effects in the human body. Therefore, dental materials are required to possess appropriate mechanical, physical, chemical and biological properties. The biocompatibility of metallic materials is very important for dental applications. Accordingly, the aim of this study was to examine metallic ion release and cytotoxicity of Co-30Cr-5Mo cast alloy as the initial phase of biocompatibility evaluation. Determination of the viability of human (MRC-5) and animal (L929) fibroblast cells were conducted using three in vitro test methods: the colorimetric methyl-thiazol-tetrazolium (MTT) test, the dye exclusion test (DET) and the agar diffusion test (ADT). Furthermore, the morphology and growth of the cells were analyzed using scanning electron microscopy (SEM). The obtained results indicated that Co-30Cr-5Mo alloy did not release harmful elements in concentrations high enough to have detrimental effects on human and animal fibroblasts under the given experimental conditions. Moreover, the fibroblast cells showed good adhesion on the surface of the Co-30Cr-5Mo alloy. Therefore, it could be concluded that Co-30Cr-5Mo alloy is a biocompatible material that could be safely used in dentistry.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - In vitro biocompatibility assessment of Co-Cr-Mo dental cast alloy
EP  - 1552
IS  - 12
SP  - 1541
VL  - 80
DO  - 10.2298/JSC150505070M
ER  - 

@article{
author = "Dimić, Ivana and Cvijović-Alagić, Ivana and Obradović, Nataša and Petrović, Jelena and Putić, Slaviša and Rakin, Marko and Bugarski, Branko",
year = "2015",
abstract = "Metallic materials, such as Co-Cr-Mo alloys, are exposed to aggressive conditions in the oral cavity that represents an ideal environment for metallic ion release and biodegradation. The metallic ions released from dental materials can cause local and/or systemic adverse effects in the human body. Therefore, dental materials are required to possess appropriate mechanical, physical, chemical and biological properties. The biocompatibility of metallic materials is very important for dental applications. Accordingly, the aim of this study was to examine metallic ion release and cytotoxicity of Co-30Cr-5Mo cast alloy as the initial phase of biocompatibility evaluation. Determination of the viability of human (MRC-5) and animal (L929) fibroblast cells were conducted using three in vitro test methods: the colorimetric methyl-thiazol-tetrazolium (MTT) test, the dye exclusion test (DET) and the agar diffusion test (ADT). Furthermore, the morphology and growth of the cells were analyzed using scanning electron microscopy (SEM). The obtained results indicated that Co-30Cr-5Mo alloy did not release harmful elements in concentrations high enough to have detrimental effects on human and animal fibroblasts under the given experimental conditions. Moreover, the fibroblast cells showed good adhesion on the surface of the Co-30Cr-5Mo alloy. Therefore, it could be concluded that Co-30Cr-5Mo alloy is a biocompatible material that could be safely used in dentistry.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "In vitro biocompatibility assessment of Co-Cr-Mo dental cast alloy",
pages = "1552-1541",
number = "12",
volume = "80",
doi = "10.2298/JSC150505070M"
}

Dimić, I., Cvijović-Alagić, I., Obradović, N., Petrović, J., Putić, S., Rakin, M.,& Bugarski, B.. (2015). In vitro biocompatibility assessment of Co-Cr-Mo dental cast alloy. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 80(12), 1541-1552.
https://doi.org/10.2298/JSC150505070M

Dimić I, Cvijović-Alagić I, Obradović N, Petrović J, Putić S, Rakin M, Bugarski B. In vitro biocompatibility assessment of Co-Cr-Mo dental cast alloy. in Journal of the Serbian Chemical Society. 2015;80(12):1541-1552.
doi:10.2298/JSC150505070M .

Dimić, Ivana, Cvijović-Alagić, Ivana, Obradović, Nataša, Petrović, Jelena, Putić, Slaviša, Rakin, Marko, Bugarski, Branko, "In vitro biocompatibility assessment of Co-Cr-Mo dental cast alloy" in Journal of the Serbian Chemical Society, 80, no. 12 (2015):1541-1552,
https://doi.org/10.2298/JSC150505070M . .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Pavlović, Miloš K.
AU  - Alil, Ana
AU  - Putić, Slaviša
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2923
AB  - The effect of one-step and a new (short) two-step aging process on the resistance to stress corrosion cracking of an aluminum alloy 7000 series was investigated, using slow strain rate test and fracture mechanics method. The aging level in the tested alloy was evaluated by means of scanning electron microscopy and measurements of electrical resistivity. It was shown that the alloy after the new two-step aging is significantly more resistant to stress corrosion cracking. Values of tensile properties and fracture toughness are similar for both thermal states. Processes that take place at the crack tip have been considered. The effect of the testing solution temperature on the crack growth rate on the plateau was determined. Two values of the apparent activation energy were obtained. These values correspond to different processes that control crack growth rate on the plateau at higher and lower temperatures.
AB  - Ispitivan je uticaj jednostepenog i novog (kratkotrajnog) dvostepenog termičkog taloženja na otpornost prema naponskoj koroziji aluminijumske legure serije 7000, primenom metode male brzine deformacije i metode mehanike loma. Stepen starenja ispitivane legure je procenjen primenom skening elektronske mikroskopije i na osnovu merenja električne otpornosti. Pokazano je da je legura posle novog dvostepenog termičkog starenja znatno otpornija prema naponskoj koroziji. Vrednosti zateznih karakteristika i žilavosti loma su slične za oba termička stanja legure. Razmatrani su procesi koji se odvijaju na vrhu naponsko-korozione prsline. Određen je uticaj temperature rastvora za ispitivanje na brzinu rasta prsline na platou. Određene su dve vrednosti prividne energije aktivacije. Ove vrednosti odgovaraju različitim procesima koji kontrolišu brzinu rasta prsline na platou, na visokim i niskim temperaturama.
PB  - Association of the Chemical Engineers of Serbia
T2  - Chemical Industry & Chemical Engineering Quarterly
T1  - Stress corrosion cracking resistance of aluminum alloy 7000 series after two-step aging
T1  - Otpornost aluminijumske legure serije 7000 prema naponskoj koroziji posle dvostepenog termičkog taloženja
EP  - 268
IS  - 2
SP  - 261
VL  - 21
DO  - 10.2298/CICEQ140324024J
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana and Pavlović, Miloš K. and Alil, Ana and Putić, Slaviša",
year = "2015",
abstract = "The effect of one-step and a new (short) two-step aging process on the resistance to stress corrosion cracking of an aluminum alloy 7000 series was investigated, using slow strain rate test and fracture mechanics method. The aging level in the tested alloy was evaluated by means of scanning electron microscopy and measurements of electrical resistivity. It was shown that the alloy after the new two-step aging is significantly more resistant to stress corrosion cracking. Values of tensile properties and fracture toughness are similar for both thermal states. Processes that take place at the crack tip have been considered. The effect of the testing solution temperature on the crack growth rate on the plateau was determined. Two values of the apparent activation energy were obtained. These values correspond to different processes that control crack growth rate on the plateau at higher and lower temperatures., Ispitivan je uticaj jednostepenog i novog (kratkotrajnog) dvostepenog termičkog taloženja na otpornost prema naponskoj koroziji aluminijumske legure serije 7000, primenom metode male brzine deformacije i metode mehanike loma. Stepen starenja ispitivane legure je procenjen primenom skening elektronske mikroskopije i na osnovu merenja električne otpornosti. Pokazano je da je legura posle novog dvostepenog termičkog starenja znatno otpornija prema naponskoj koroziji. Vrednosti zateznih karakteristika i žilavosti loma su slične za oba termička stanja legure. Razmatrani su procesi koji se odvijaju na vrhu naponsko-korozione prsline. Određen je uticaj temperature rastvora za ispitivanje na brzinu rasta prsline na platou. Određene su dve vrednosti prividne energije aktivacije. Ove vrednosti odgovaraju različitim procesima koji kontrolišu brzinu rasta prsline na platou, na visokim i niskim temperaturama.",
publisher = "Association of the Chemical Engineers of Serbia",
journal = "Chemical Industry & Chemical Engineering Quarterly",
title = "Stress corrosion cracking resistance of aluminum alloy 7000 series after two-step aging, Otpornost aluminijumske legure serije 7000 prema naponskoj koroziji posle dvostepenog termičkog taloženja",
pages = "268-261",
number = "2",
volume = "21",
doi = "10.2298/CICEQ140324024J"
}

Jegdić, B., Bobić, B., Pavlović, M. K., Alil, A.,& Putić, S.. (2015). Stress corrosion cracking resistance of aluminum alloy 7000 series after two-step aging. in Chemical Industry & Chemical Engineering Quarterly
Association of the Chemical Engineers of Serbia., 21(2), 261-268.
https://doi.org/10.2298/CICEQ140324024J

Jegdić B, Bobić B, Pavlović MK, Alil A, Putić S. Stress corrosion cracking resistance of aluminum alloy 7000 series after two-step aging. in Chemical Industry & Chemical Engineering Quarterly. 2015;21(2):261-268.
doi:10.2298/CICEQ140324024J .

Jegdić, Bore, Bobić, Biljana, Pavlović, Miloš K., Alil, Ana, Putić, Slaviša, "Stress corrosion cracking resistance of aluminum alloy 7000 series after two-step aging" in Chemical Industry & Chemical Engineering Quarterly, 21, no. 2 (2015):261-268,
https://doi.org/10.2298/CICEQ140324024J . .

TY  - JOUR
AU  - Mališić, Vanja
AU  - Ilić, Dragoljub
AU  - Bekrić, Dragoljub
AU  - Stamenović, Marina
AU  - Putić, Slaviša
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2951
AB  - The main objective of this study is to determine tensile properties of the glass-epoxy polymer composite material. The material is glass fiber 280 g/m², 'twill woven' with 100 cm width, type - Interglas 92125, and epoxy resin type MGS L-135, where samples are molded using hand manual method with 35% fiber weight per volume. Orientations were 0/90° i ±45°. In accordance with appropriate standards, tensile strength and modulus of elasticity were determined. Beside the analysis of the results obtained during the experiment, micro-mechanical analysis of the tensile failure appearance and development was conducted based on the observed cracked surface, which led to a confirmation of all characteristic mechanisms and cracks expected for this type of material and study. Micromechanical analysis performed on the cracked surfaces of the investigated samples, has led to a definition of a structure which is more suitable for exploitation of this material in a presence of this type of external load.
AB  - Predmet i cilj ovog rada je određivanje statičkih zateznih svojstava staklo-epoksi polimernog kompozitnog materijala. Ispitivani materijal je kompozitni materijal stakleno platno 280 g/m², 'twill tkanje' širine 100 cm, tip - Interglas 92125 i epoksi smola tip MGS L-135, a uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Ispitivane su orijentacije 0/90° i ±45°. Određeni su zatezna čvrstoća i modul elastičnosti prema odgovarajućim standardnim ispitivanjima. Pored izvedene analize dobijenih rezultata, a na osnovu izgleda prelomnih površina uzoraka izvedena je i mikromehanička analiza nastanka i razvoja oštećenja pri zatezanju čime su potvrđeni svi mehanizmi i oštećenja karakteristični za ovakvu vrstu materijala i ispitivanja. Mikromehaničkom analizom na prelomnim površinama ispitivanih uzoraka se došlo do strukture koja je povoljnija u eksploataciji pri ovakvog tipu spoljašnog opterećenja.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load
T1  - Mikromehanička analiza loma laminatnog staklo-epoksi kompozitnog materijala ispitivanog na zatezanje
EP  - 428
IS  - 4
SP  - 421
VL  - 56
DO  - 10.5937/ZasMat1504421M
ER  - 

@article{
author = "Mališić, Vanja and Ilić, Dragoljub and Bekrić, Dragoljub and Stamenović, Marina and Putić, Slaviša",
year = "2015",
abstract = "The main objective of this study is to determine tensile properties of the glass-epoxy polymer composite material. The material is glass fiber 280 g/m², 'twill woven' with 100 cm width, type - Interglas 92125, and epoxy resin type MGS L-135, where samples are molded using hand manual method with 35% fiber weight per volume. Orientations were 0/90° i ±45°. In accordance with appropriate standards, tensile strength and modulus of elasticity were determined. Beside the analysis of the results obtained during the experiment, micro-mechanical analysis of the tensile failure appearance and development was conducted based on the observed cracked surface, which led to a confirmation of all characteristic mechanisms and cracks expected for this type of material and study. Micromechanical analysis performed on the cracked surfaces of the investigated samples, has led to a definition of a structure which is more suitable for exploitation of this material in a presence of this type of external load., Predmet i cilj ovog rada je određivanje statičkih zateznih svojstava staklo-epoksi polimernog kompozitnog materijala. Ispitivani materijal je kompozitni materijal stakleno platno 280 g/m², 'twill tkanje' širine 100 cm, tip - Interglas 92125 i epoksi smola tip MGS L-135, a uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Ispitivane su orijentacije 0/90° i ±45°. Određeni su zatezna čvrstoća i modul elastičnosti prema odgovarajućim standardnim ispitivanjima. Pored izvedene analize dobijenih rezultata, a na osnovu izgleda prelomnih površina uzoraka izvedena je i mikromehanička analiza nastanka i razvoja oštećenja pri zatezanju čime su potvrđeni svi mehanizmi i oštećenja karakteristični za ovakvu vrstu materijala i ispitivanja. Mikromehaničkom analizom na prelomnim površinama ispitivanih uzoraka se došlo do strukture koja je povoljnija u eksploataciji pri ovakvog tipu spoljašnog opterećenja.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load, Mikromehanička analiza loma laminatnog staklo-epoksi kompozitnog materijala ispitivanog na zatezanje",
pages = "428-421",
number = "4",
volume = "56",
doi = "10.5937/ZasMat1504421M"
}

Mališić, V., Ilić, D., Bekrić, D., Stamenović, M.,& Putić, S.. (2015). Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 56(4), 421-428.
https://doi.org/10.5937/ZasMat1504421M

Mališić V, Ilić D, Bekrić D, Stamenović M, Putić S. Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load. in Zaštita materijala. 2015;56(4):421-428.
doi:10.5937/ZasMat1504421M .

Mališić, Vanja, Ilić, Dragoljub, Bekrić, Dragoljub, Stamenović, Marina, Putić, Slaviša, "Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load" in Zaštita materijala, 56, no. 4 (2015):421-428,
https://doi.org/10.5937/ZasMat1504421M . .

TY  - JOUR
AU  - Ljubić, Darko
AU  - Stamenović, Marina
AU  - Smithson, Chad
AU  - Nujkić, Maja
AU  - Petrović, Jelena
AU  - Putić, Slaviša
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2590
AB  - The properties of polymer nanocomposites exceed the properties of common composite materials due to the nanoscale size and morphology of the fillers used. Particulate fillersare commonly used in polymers forimproved mechanical and thermal properties, as well as modified electrical properties and cost reduction. Organically modified layered clays, such asmontmorillonite, are among the most widely used fillers for the improvement of polymer matrices. Presented in this review are some of the most studied clay nanocomposites including clay-polyolefin, clay-polyester and clay-thermoplastic polyurethanenanocomposites. Additionally, the properties of clay-biopolymers nanocomposites will also be discussed.
AB  - Svojstva polimernih nanokompozita prevazilaze svojstva uobičajenih kompozitnih materijala zbog nanodimenzija i morfologije upotrebljenih punioca. Čestični punioci se uglavnom koriste u cilju poboljšnja mehaničkih i toplotnih svojstava polimera, kao i za modifikovanje električnih svojstava polimerne matrice i smanjenja cene koštanja. Organski modifikovane slojevite gline, kao što je montmorilonit, su između ostalih, najzastupljeniji punioci u upotrebi za poboljšanje svojstava polimernih matrica. Ovim preglednim radom biće prikazani najznačajniji i najviše proučavani glina-polimerni nanokompoziti, kao što su glina-poliolefini, glina-poliestar i glina-termoplastični poliuretan nanokompoziti. Takođe, svojstva biopolimer-glina nanokompozita biće predstavljena i razmatrana u radu.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Organoclay-polymer nanocomposites
T1  - Organoglina-polimerni nanokompoziti
EP  - 132
IS  - 2
SP  - 127
VL  - 55
DO  - 10.5937/ZasMat1402127L
ER  - 

@article{
author = "Ljubić, Darko and Stamenović, Marina and Smithson, Chad and Nujkić, Maja and Petrović, Jelena and Putić, Slaviša",
year = "2014",
abstract = "The properties of polymer nanocomposites exceed the properties of common composite materials due to the nanoscale size and morphology of the fillers used. Particulate fillersare commonly used in polymers forimproved mechanical and thermal properties, as well as modified electrical properties and cost reduction. Organically modified layered clays, such asmontmorillonite, are among the most widely used fillers for the improvement of polymer matrices. Presented in this review are some of the most studied clay nanocomposites including clay-polyolefin, clay-polyester and clay-thermoplastic polyurethanenanocomposites. Additionally, the properties of clay-biopolymers nanocomposites will also be discussed., Svojstva polimernih nanokompozita prevazilaze svojstva uobičajenih kompozitnih materijala zbog nanodimenzija i morfologije upotrebljenih punioca. Čestični punioci se uglavnom koriste u cilju poboljšnja mehaničkih i toplotnih svojstava polimera, kao i za modifikovanje električnih svojstava polimerne matrice i smanjenja cene koštanja. Organski modifikovane slojevite gline, kao što je montmorilonit, su između ostalih, najzastupljeniji punioci u upotrebi za poboljšanje svojstava polimernih matrica. Ovim preglednim radom biće prikazani najznačajniji i najviše proučavani glina-polimerni nanokompoziti, kao što su glina-poliolefini, glina-poliestar i glina-termoplastični poliuretan nanokompoziti. Takođe, svojstva biopolimer-glina nanokompozita biće predstavljena i razmatrana u radu.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Organoclay-polymer nanocomposites, Organoglina-polimerni nanokompoziti",
pages = "132-127",
number = "2",
volume = "55",
doi = "10.5937/ZasMat1402127L"
}

Ljubić, D., Stamenović, M., Smithson, C., Nujkić, M., Petrović, J.,& Putić, S.. (2014). Organoclay-polymer nanocomposites. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 55(2), 127-132.
https://doi.org/10.5937/ZasMat1402127L

Ljubić D, Stamenović M, Smithson C, Nujkić M, Petrović J, Putić S. Organoclay-polymer nanocomposites. in Zaštita materijala. 2014;55(2):127-132.
doi:10.5937/ZasMat1402127L .

Ljubić, Darko, Stamenović, Marina, Smithson, Chad, Nujkić, Maja, Petrović, Jelena, Putić, Slaviša, "Organoclay-polymer nanocomposites" in Zaštita materijala, 55, no. 2 (2014):127-132,
https://doi.org/10.5937/ZasMat1402127L . .

TY  - JOUR
AU  - Krstić, Miljana
AU  - Ilić, Dragoljub
AU  - Bekrić, Dragoljub
AU  - Petrović, Jelena
AU  - Vujičić, Ivica
AU  - Putić, Slaviša
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2597
AB  - The object and purpose of this work is the micromechanical analysis of failures caused by mechanical tests of laminate glass-epoxy composite material in bending. The structure of glass-epoxy composite material is a glass fabric 280 g / m2, 'twill weave', width 100 cm, type - Interglas 92125 and epoxy resin type MGS L-135. Samples are shaped manual method with 35% volume fraction of fibers. Previous mechanical tests were obtained relevant data on tensile and flexural mechanical properties. By analyzing the images of fracture surfaces of larger magnification with a scanning electron microscope (SEM) will be performed micromechanical analysis that will lead to the knowledge of the mechanisms of damage and crack growth to final fracture in action bending loads.
AB  - Predmet i cilj ovog rada predstavlja mikromehanička analiza lomova nastalih mehaničkim ispitivanjima laminatnog staklo-epoksi kompozitnog materijala na savijanje. Struktura staklo-epoksi kompozitnog materijala je stakleno platno 280 g/m2, 'twill tkanje', širine 100 cm, tip - Interglas 92125 i epoksi smola tip MGS L-135. Uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Prethodnim mehaničkim ispitivanjima su dobijeni relevantni podaci o zateznim i savojnim mehaničkim svojstvima. Analizom sa fotografija na prelomnim površinama većih uvećanja i sa skening elektronskog mikroskopa (SEM) biće izvedena mikromehanička analiza kojom će se doći do saznanja o mehanizmima oštećenja i razvoju prsline do konačnog loma pri delovanju savojnog opterećenja.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Micromechanical fracture analysis of laminated glass-epoxy composite material tested by bending
T1  - Mikromehanička analiza loma laminatnog staklo-epoksi kompozitnog materijala ispitivanog savijanjem
EP  - 340
IS  - 3
SP  - 335
VL  - 55
DO  - 10.5937/ZasMat1403335K
ER  - 

@article{
author = "Krstić, Miljana and Ilić, Dragoljub and Bekrić, Dragoljub and Petrović, Jelena and Vujičić, Ivica and Putić, Slaviša",
year = "2014",
abstract = "The object and purpose of this work is the micromechanical analysis of failures caused by mechanical tests of laminate glass-epoxy composite material in bending. The structure of glass-epoxy composite material is a glass fabric 280 g / m2, 'twill weave', width 100 cm, type - Interglas 92125 and epoxy resin type MGS L-135. Samples are shaped manual method with 35% volume fraction of fibers. Previous mechanical tests were obtained relevant data on tensile and flexural mechanical properties. By analyzing the images of fracture surfaces of larger magnification with a scanning electron microscope (SEM) will be performed micromechanical analysis that will lead to the knowledge of the mechanisms of damage and crack growth to final fracture in action bending loads., Predmet i cilj ovog rada predstavlja mikromehanička analiza lomova nastalih mehaničkim ispitivanjima laminatnog staklo-epoksi kompozitnog materijala na savijanje. Struktura staklo-epoksi kompozitnog materijala je stakleno platno 280 g/m2, 'twill tkanje', širine 100 cm, tip - Interglas 92125 i epoksi smola tip MGS L-135. Uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Prethodnim mehaničkim ispitivanjima su dobijeni relevantni podaci o zateznim i savojnim mehaničkim svojstvima. Analizom sa fotografija na prelomnim površinama većih uvećanja i sa skening elektronskog mikroskopa (SEM) biće izvedena mikromehanička analiza kojom će se doći do saznanja o mehanizmima oštećenja i razvoju prsline do konačnog loma pri delovanju savojnog opterećenja.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Micromechanical fracture analysis of laminated glass-epoxy composite material tested by bending, Mikromehanička analiza loma laminatnog staklo-epoksi kompozitnog materijala ispitivanog savijanjem",
pages = "340-335",
number = "3",
volume = "55",
doi = "10.5937/ZasMat1403335K"
}

Krstić, M., Ilić, D., Bekrić, D., Petrović, J., Vujičić, I.,& Putić, S.. (2014). Micromechanical fracture analysis of laminated glass-epoxy composite material tested by bending. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 55(3), 335-340.
https://doi.org/10.5937/ZasMat1403335K

Krstić M, Ilić D, Bekrić D, Petrović J, Vujičić I, Putić S. Micromechanical fracture analysis of laminated glass-epoxy composite material tested by bending. in Zaštita materijala. 2014;55(3):335-340.
doi:10.5937/ZasMat1403335K .

Krstić, Miljana, Ilić, Dragoljub, Bekrić, Dragoljub, Petrović, Jelena, Vujičić, Ivica, Putić, Slaviša, "Micromechanical fracture analysis of laminated glass-epoxy composite material tested by bending" in Zaštita materijala, 55, no. 3 (2014):335-340,
https://doi.org/10.5937/ZasMat1403335K . .

TY  - JOUR
AU  - Ljubić, Darko
AU  - Stamenović, Marina
AU  - Smithson, Chad
AU  - Nujkić, Maja
AU  - Međo, Bojan
AU  - Putić, Slaviša
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2600
AB  - Polymers are the most studied viscoelastic material. The shorter times (high frequencies) corresponding to lower temperatures and long times (low frequencies) to high temperatures. This represents the quantitatively applied time-temperature superposition (TTS). Use of the Williams- Landel-Ferry (WLF) equation and the time-temperature superposition principle enables prediction and modeling of the mechanical and rheological properties of polymeric systems outside the timescale of the experiment. Application and validity of the TTS principle and WLF equation in polymer blends, composites, biopolymers and polymer networks will be discussed in this review.
AB  - Polimeri su najproučavaniji viskoelastični materijali. Kraće vreme (odnosno visoke frekvencije) odgovaraju nižim temperaturama, a duže vreme (odnosno niske frekvencije) odgovaraju visokim temperaturama. Ovaj odnos vremena (frekvencije) i temperature predstavlja kvantitativnu primenu principa superponiranja vremena i temperature (TTS). Upotreba Viliams-Lendl-Feri (Williams- Landel-Ferry, WLF) jednačine i principa superponirnaja vremena i temperature omogućava predviđanje i modelovanje mehaničkih i reoloških svojstava polimernih sistema izvan vremenske skale eksperimenta. Upotreba i validnost TTS i WLF jednačine na polimerne blende, kompozite, biopolimere i polimerne mreže biće predstavljeni i razmatrani u ovom radu.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Time: Temperature superposition principle: Application of WLF equation in polymer analysis and composites
T1  - Princip superponiranja vremena i temperature - primena WLF jednačine za ispitivanje polimera i kompozita
EP  - 400
IS  - 4
SP  - 395
VL  - 55
DO  - 10.5937/ZasMat1404395L
ER  - 

@article{
author = "Ljubić, Darko and Stamenović, Marina and Smithson, Chad and Nujkić, Maja and Međo, Bojan and Putić, Slaviša",
year = "2014",
abstract = "Polymers are the most studied viscoelastic material. The shorter times (high frequencies) corresponding to lower temperatures and long times (low frequencies) to high temperatures. This represents the quantitatively applied time-temperature superposition (TTS). Use of the Williams- Landel-Ferry (WLF) equation and the time-temperature superposition principle enables prediction and modeling of the mechanical and rheological properties of polymeric systems outside the timescale of the experiment. Application and validity of the TTS principle and WLF equation in polymer blends, composites, biopolymers and polymer networks will be discussed in this review., Polimeri su najproučavaniji viskoelastični materijali. Kraće vreme (odnosno visoke frekvencije) odgovaraju nižim temperaturama, a duže vreme (odnosno niske frekvencije) odgovaraju visokim temperaturama. Ovaj odnos vremena (frekvencije) i temperature predstavlja kvantitativnu primenu principa superponiranja vremena i temperature (TTS). Upotreba Viliams-Lendl-Feri (Williams- Landel-Ferry, WLF) jednačine i principa superponirnaja vremena i temperature omogućava predviđanje i modelovanje mehaničkih i reoloških svojstava polimernih sistema izvan vremenske skale eksperimenta. Upotreba i validnost TTS i WLF jednačine na polimerne blende, kompozite, biopolimere i polimerne mreže biće predstavljeni i razmatrani u ovom radu.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Time: Temperature superposition principle: Application of WLF equation in polymer analysis and composites, Princip superponiranja vremena i temperature - primena WLF jednačine za ispitivanje polimera i kompozita",
pages = "400-395",
number = "4",
volume = "55",
doi = "10.5937/ZasMat1404395L"
}

Ljubić, D., Stamenović, M., Smithson, C., Nujkić, M., Međo, B.,& Putić, S.. (2014). Time: Temperature superposition principle: Application of WLF equation in polymer analysis and composites. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 55(4), 395-400.
https://doi.org/10.5937/ZasMat1404395L

Ljubić D, Stamenović M, Smithson C, Nujkić M, Međo B, Putić S. Time: Temperature superposition principle: Application of WLF equation in polymer analysis and composites. in Zaštita materijala. 2014;55(4):395-400.
doi:10.5937/ZasMat1404395L .

Ljubić, Darko, Stamenović, Marina, Smithson, Chad, Nujkić, Maja, Međo, Bojan, Putić, Slaviša, "Time: Temperature superposition principle: Application of WLF equation in polymer analysis and composites" in Zaštita materijala, 55, no. 4 (2014):395-400,
https://doi.org/10.5937/ZasMat1404395L . .

TY  - JOUR
AU  - Dimić, Ivana
AU  - Cvijović-Alagić, Ivana
AU  - Kostić, Ivana T.
AU  - Perić-Grujić, Aleksandra
AU  - Rakin, Marko
AU  - Putić, Slaviša
AU  - Bugarski, Branko
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2625
AB  - Metallic biomaterials, which are mainly used for the damaged hard tissue replacements, are materials with high strength, excellent toughness and good wear resistance. The disadvantages of metals as implant materials are their susceptibility to corrosion, the elastic modulus mismatch between metals and human hard tissues, relatively high density and metallic ion release, which can cause serious health problems. The aim of this study was to examine metallic ion release from Co-Cr-Mo alloy in artificial saliva. In that purpose, alloy samples were immersed into artificial saliva with different pH values (4.0, 5.5 and 7.5). After a certain immersion period (1, 3 and 6 weeks) the concentrations of released ions were determined using inductively coupled plasma-mass spectrometry (ICP-MS). The research findings were used in order to define the dependence between the concentration of released metallic ions, artificial saliva pH values and immersion time. The determined released metallic ions concentrations were compared with literature data in order to describe and better understand the phenomenon of metallic ion release from the biocompatible cobalt-based alloy.
AB  - Metalni biomaterijali, koji se najčešće koriste za zamenu oštećenih čvrstih tkiva u organizmu čoveka, su materijali velike čvrstoće, žilavosti i otpornosti prema habanju. Nedostaci metala, kao implantnih materijala, su njihova podložnost koroziji, neusklađenost modula elastičnosti metala i čvrstih ljudskih tkiva, velika gustina i otpuštanje metalnih jona koje može da izazove ozbiljne zdravstvene probleme. Cilj ovog rada je bio da se ispita otpuštanje metalnih jona iz Co-Cr-Mo legure u rastvoru veštačke pljuvačke. Uzorci legure su potopljeni u rastvor veštačke pljuvačke različite pH vrednosti (4,0, 5,5 i 7,5). Nakon određenog vremena izlaganja legure veštačkoj pljuvačci (1, 3 i 6 nedelja) određene su koncentracije otpuštenih jona primenom indukcije spregnute plazme sa masenom spektrometrijom (ICP-MS). Dobijeni rezultati su iskorišćeni u cilju definisanja zavisnosti između koncentracije otpuštenih jona, pH vrednosti veštačke pljuvačke i dužine potapanja legure u rastvor veštačke pljuvačke. Osim toga, utvrđene koncentracije otpuštenih metalnih jona iz ispitivane legure su upoređene sa podacima dostupnim u literaturi u cilju što boljeg opisivanja i razumevanja fenomena otpuštanja metalnih jona iz biokompatibilne Co-Cr-Mo legure.
PB  - Association of the Chemical Engineers of Serbia
T2  - Chemical Industry & Chemical Engineering Quarterly
T1  - Metallic ion release from biocompatible cobalt-based alloy
T1  - Otpuštanje metalnih jona iz biokompatibilne legure kobalta
EP  - 577
IS  - 4
SP  - 571
VL  - 20
DO  - 10.2298/CICEQ130813039D
ER  - 

@article{
author = "Dimić, Ivana and Cvijović-Alagić, Ivana and Kostić, Ivana T. and Perić-Grujić, Aleksandra and Rakin, Marko and Putić, Slaviša and Bugarski, Branko",
year = "2014",
abstract = "Metallic biomaterials, which are mainly used for the damaged hard tissue replacements, are materials with high strength, excellent toughness and good wear resistance. The disadvantages of metals as implant materials are their susceptibility to corrosion, the elastic modulus mismatch between metals and human hard tissues, relatively high density and metallic ion release, which can cause serious health problems. The aim of this study was to examine metallic ion release from Co-Cr-Mo alloy in artificial saliva. In that purpose, alloy samples were immersed into artificial saliva with different pH values (4.0, 5.5 and 7.5). After a certain immersion period (1, 3 and 6 weeks) the concentrations of released ions were determined using inductively coupled plasma-mass spectrometry (ICP-MS). The research findings were used in order to define the dependence between the concentration of released metallic ions, artificial saliva pH values and immersion time. The determined released metallic ions concentrations were compared with literature data in order to describe and better understand the phenomenon of metallic ion release from the biocompatible cobalt-based alloy., Metalni biomaterijali, koji se najčešće koriste za zamenu oštećenih čvrstih tkiva u organizmu čoveka, su materijali velike čvrstoće, žilavosti i otpornosti prema habanju. Nedostaci metala, kao implantnih materijala, su njihova podložnost koroziji, neusklađenost modula elastičnosti metala i čvrstih ljudskih tkiva, velika gustina i otpuštanje metalnih jona koje može da izazove ozbiljne zdravstvene probleme. Cilj ovog rada je bio da se ispita otpuštanje metalnih jona iz Co-Cr-Mo legure u rastvoru veštačke pljuvačke. Uzorci legure su potopljeni u rastvor veštačke pljuvačke različite pH vrednosti (4,0, 5,5 i 7,5). Nakon određenog vremena izlaganja legure veštačkoj pljuvačci (1, 3 i 6 nedelja) određene su koncentracije otpuštenih jona primenom indukcije spregnute plazme sa masenom spektrometrijom (ICP-MS). Dobijeni rezultati su iskorišćeni u cilju definisanja zavisnosti između koncentracije otpuštenih jona, pH vrednosti veštačke pljuvačke i dužine potapanja legure u rastvor veštačke pljuvačke. Osim toga, utvrđene koncentracije otpuštenih metalnih jona iz ispitivane legure su upoređene sa podacima dostupnim u literaturi u cilju što boljeg opisivanja i razumevanja fenomena otpuštanja metalnih jona iz biokompatibilne Co-Cr-Mo legure.",
publisher = "Association of the Chemical Engineers of Serbia",
journal = "Chemical Industry & Chemical Engineering Quarterly",
title = "Metallic ion release from biocompatible cobalt-based alloy, Otpuštanje metalnih jona iz biokompatibilne legure kobalta",
pages = "577-571",
number = "4",
volume = "20",
doi = "10.2298/CICEQ130813039D"
}

Dimić, I., Cvijović-Alagić, I., Kostić, I. T., Perić-Grujić, A., Rakin, M., Putić, S.,& Bugarski, B.. (2014). Metallic ion release from biocompatible cobalt-based alloy. in Chemical Industry & Chemical Engineering Quarterly
Association of the Chemical Engineers of Serbia., 20(4), 571-577.
https://doi.org/10.2298/CICEQ130813039D

Dimić I, Cvijović-Alagić I, Kostić IT, Perić-Grujić A, Rakin M, Putić S, Bugarski B. Metallic ion release from biocompatible cobalt-based alloy. in Chemical Industry & Chemical Engineering Quarterly. 2014;20(4):571-577.
doi:10.2298/CICEQ130813039D .

Dimić, Ivana, Cvijović-Alagić, Ivana, Kostić, Ivana T., Perić-Grujić, Aleksandra, Rakin, Marko, Putić, Slaviša, Bugarski, Branko, "Metallic ion release from biocompatible cobalt-based alloy" in Chemical Industry & Chemical Engineering Quarterly, 20, no. 4 (2014):571-577,
https://doi.org/10.2298/CICEQ130813039D . .

TY  - JOUR
AU  - Stamenović, Marina
AU  - Petrović, Jelena
AU  - Dimić, Ivana
AU  - Putić, Slaviša
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2354
AB  - The use of composite material increases. Composite materials are used in a wide range of applications such as automotive, aerospace and other industries. But they have not been properly recycled, due to their inherent nature of heterogeneity. The current and future waste management and environmental legislations in EU require all engineering materials to be properly recovered and recycled from end-of-life (EOL) products. Recycling will ultimately lead to resource and energy saving. This work presents different possibilities for recycling composite. Various technologies have been developed: mechanical recycling, thermal recycling, and chemical recycling, depending on the applied operations during the recycling process. Mechanical recycling techniques involve the use of grinding techniques to comminute the scrap material and produce recycled products in different size ranges suitable for reuse as fillers or partial reinforcement in new composite material. Thermal techniques involve the use of heat resulting in releasing certain amounts of energy. Chemical recycling involves the process for chemical depolymerisation or removal of the matrix by using chemical dissolution reagents for liberation of fibres which can be reused. The removed matrix can process a useful product using a specific chemical procedures. However a lack of adequate markets, high recycling cost, and lower quality of the recyclates are the major commercialization barriers.
AB  - Upotreba kompozitnih materijala je u stalnom porastu. Kompozitni materijali imaju široku primenu u različitim granama industrije, kao što su automobilska, avio industrija i druge. Međutim, oni se još uvek ne recikliraju adekvatno, najviše zbog njihove prirode, tj. heterogene strukture. Regulative koje se odnose na upravljanje otpadom i zaštitu životne sredine u Evropskoj Uniji propisuju da svi inženjerski materijali moraju biti reciklirani na kraju svog životnog veka, čime se postiže značajna ušteda energije. U ovom radu su prikazane različite mogućnosti reciklaže kompozitnih materijala. Postupci reciklaže mogu biti mehanički, toplotni i hemijski, u zavisnosti od primenjene operacije tokom procesa reciklaže. Mehanički postupci podrazumevaju korišćenje tehnika usitnjavanja kompozitnih materijala kako bi se dobili reciklati odgovarajućih dimenzija, nakon čega se isti mogu koristiti kao punioci ili kao ojačanja u novim kompozitnim materijalima. Termički postupci podrazumevaju korišćenje toplote tokom procesa reciklaže što rezultira oslobađanjem određene količine energije. U okviru hemijskih postupaka reciklaže primenjuje se proces depolimerizacije i uklanjanja matrice iz kompozita pomoću različitih reagenasa, čime se izdvajaju vlakna koja se mogu ponovo upotrebiti, a uklonjena matrica se određenim hemijskim postupcima može preraditi u koristan proizvod. Ipak, nedostatak adekvatnog tržišta, visoki troškovi reciklaže i neodgovarajući kvalitet reciklata su glavne prepreke komercijalizaciji reciklažnih postupaka kompozita.
PB  - Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd
T2  - Ecologica
T1  - Possibilities of composite materials recycling
T1  - Mogućnosti reciklaže kompozitnih materijala
EP  - 682
IS  - 72
SP  - 678
VL  - 20
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2354
ER  - 

@article{
author = "Stamenović, Marina and Petrović, Jelena and Dimić, Ivana and Putić, Slaviša",
year = "2013",
abstract = "The use of composite material increases. Composite materials are used in a wide range of applications such as automotive, aerospace and other industries. But they have not been properly recycled, due to their inherent nature of heterogeneity. The current and future waste management and environmental legislations in EU require all engineering materials to be properly recovered and recycled from end-of-life (EOL) products. Recycling will ultimately lead to resource and energy saving. This work presents different possibilities for recycling composite. Various technologies have been developed: mechanical recycling, thermal recycling, and chemical recycling, depending on the applied operations during the recycling process. Mechanical recycling techniques involve the use of grinding techniques to comminute the scrap material and produce recycled products in different size ranges suitable for reuse as fillers or partial reinforcement in new composite material. Thermal techniques involve the use of heat resulting in releasing certain amounts of energy. Chemical recycling involves the process for chemical depolymerisation or removal of the matrix by using chemical dissolution reagents for liberation of fibres which can be reused. The removed matrix can process a useful product using a specific chemical procedures. However a lack of adequate markets, high recycling cost, and lower quality of the recyclates are the major commercialization barriers., Upotreba kompozitnih materijala je u stalnom porastu. Kompozitni materijali imaju široku primenu u različitim granama industrije, kao što su automobilska, avio industrija i druge. Međutim, oni se još uvek ne recikliraju adekvatno, najviše zbog njihove prirode, tj. heterogene strukture. Regulative koje se odnose na upravljanje otpadom i zaštitu životne sredine u Evropskoj Uniji propisuju da svi inženjerski materijali moraju biti reciklirani na kraju svog životnog veka, čime se postiže značajna ušteda energije. U ovom radu su prikazane različite mogućnosti reciklaže kompozitnih materijala. Postupci reciklaže mogu biti mehanički, toplotni i hemijski, u zavisnosti od primenjene operacije tokom procesa reciklaže. Mehanički postupci podrazumevaju korišćenje tehnika usitnjavanja kompozitnih materijala kako bi se dobili reciklati odgovarajućih dimenzija, nakon čega se isti mogu koristiti kao punioci ili kao ojačanja u novim kompozitnim materijalima. Termički postupci podrazumevaju korišćenje toplote tokom procesa reciklaže što rezultira oslobađanjem određene količine energije. U okviru hemijskih postupaka reciklaže primenjuje se proces depolimerizacije i uklanjanja matrice iz kompozita pomoću različitih reagenasa, čime se izdvajaju vlakna koja se mogu ponovo upotrebiti, a uklonjena matrica se određenim hemijskim postupcima može preraditi u koristan proizvod. Ipak, nedostatak adekvatnog tržišta, visoki troškovi reciklaže i neodgovarajući kvalitet reciklata su glavne prepreke komercijalizaciji reciklažnih postupaka kompozita.",
publisher = "Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd",
journal = "Ecologica",
title = "Possibilities of composite materials recycling, Mogućnosti reciklaže kompozitnih materijala",
pages = "682-678",
number = "72",
volume = "20",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2354"
}

Stamenović, M., Petrović, J., Dimić, I.,& Putić, S.. (2013). Possibilities of composite materials recycling. in Ecologica
Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd., 20(72), 678-682.
https://hdl.handle.net/21.15107/rcub_technorep_2354

Stamenović M, Petrović J, Dimić I, Putić S. Possibilities of composite materials recycling. in Ecologica. 2013;20(72):678-682.
https://hdl.handle.net/21.15107/rcub_technorep_2354 .

Stamenović, Marina, Petrović, Jelena, Dimić, Ivana, Putić, Slaviša, "Possibilities of composite materials recycling" in Ecologica, 20, no. 72 (2013):678-682,
https://hdl.handle.net/21.15107/rcub_technorep_2354 .

TY  - JOUR
AU  - Petrović, Jelena M.
AU  - Bekrić, Dragoljub
AU  - Vujičić, Ivica T.
AU  - Dimić, Ivana
AU  - Putić, Slaviša
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2382
AB  - The main objective of the research presented in this paper was to carry out a statistical-mechanical analysis concerning the tensile test of glass-epoxy composite materials in order to calculate their relevant tension properties and micromechanical structure destruction process. The analysis was done at room temperature, and its results were derived based on the structure of the glass woven 280 g/m², 'twill texture' with the width value of 100 cm, type - Interglass 92125, and epoxy resin type MGS L 135. Samples were shaped by hands with 35% of fabric volume part. The consumed portion of resin was 220 g/m², the thickness of the laminate was 0.308 mm, and the mass of the laminate was 500 g/m2. There were a total of eight layers built in the panel. The micromechanical analysis was derived from the crack surfaces data collected on a scanning electronic microscope, and it showed the mechanisms of damage, and development of cracks until the occurrence of the final break under the tension load.
AB  - Predmet i cilj istraživanja prikazanih u ovom radu su statičko mehanička ispitivanja na zatezanje staklo-epoksi kompozitnog materijala radi dobijanja njegovih relevantnih zateznih svojstava i mikromehaničke analize oštećenja strukture. Ispitivanja su izvedena na sobnoj temperaturi. Analizirani su kompoziti na osnovu epoksidne smole tipa MGS LR 135 i staklenog platna 280 g/m², 'twill' širine 100 cm, tip - Interglas 92125. Uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Utrošak smole je bio 220 g/m², debljina laminata 0,308 mm a masa laminata 500 g/m2. Ukupno je ugrađeno 8 platana u panelu. Analizom prelomnih površina na skening elektronskom mikroskopu izvedena je mikromehanička analiza kojom se došlo do saznanja o mehanizmima oštećenja i razvoju prsline do konačnog loma pri delovanju zateznog opterećenja.
PB  - Faculty of Technology, Novi Sad
T2  - Acta periodica technologica
T1  - Microstructural characterization of glass-epoxy composites subjected to tensile testing
T1  - Mikromehanička karakterizacija staklo-epoksi kompozita izloženog zateznom opterećenju
EP  - 162
IS  - 44
SP  - 151
DO  - 10.2298/APT1344151P
ER  - 

@article{
author = "Petrović, Jelena M. and Bekrić, Dragoljub and Vujičić, Ivica T. and Dimić, Ivana and Putić, Slaviša",
year = "2013",
abstract = "The main objective of the research presented in this paper was to carry out a statistical-mechanical analysis concerning the tensile test of glass-epoxy composite materials in order to calculate their relevant tension properties and micromechanical structure destruction process. The analysis was done at room temperature, and its results were derived based on the structure of the glass woven 280 g/m², 'twill texture' with the width value of 100 cm, type - Interglass 92125, and epoxy resin type MGS L 135. Samples were shaped by hands with 35% of fabric volume part. The consumed portion of resin was 220 g/m², the thickness of the laminate was 0.308 mm, and the mass of the laminate was 500 g/m2. There were a total of eight layers built in the panel. The micromechanical analysis was derived from the crack surfaces data collected on a scanning electronic microscope, and it showed the mechanisms of damage, and development of cracks until the occurrence of the final break under the tension load., Predmet i cilj istraživanja prikazanih u ovom radu su statičko mehanička ispitivanja na zatezanje staklo-epoksi kompozitnog materijala radi dobijanja njegovih relevantnih zateznih svojstava i mikromehaničke analize oštećenja strukture. Ispitivanja su izvedena na sobnoj temperaturi. Analizirani su kompoziti na osnovu epoksidne smole tipa MGS LR 135 i staklenog platna 280 g/m², 'twill' širine 100 cm, tip - Interglas 92125. Uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Utrošak smole je bio 220 g/m², debljina laminata 0,308 mm a masa laminata 500 g/m2. Ukupno je ugrađeno 8 platana u panelu. Analizom prelomnih površina na skening elektronskom mikroskopu izvedena je mikromehanička analiza kojom se došlo do saznanja o mehanizmima oštećenja i razvoju prsline do konačnog loma pri delovanju zateznog opterećenja.",
publisher = "Faculty of Technology, Novi Sad",
journal = "Acta periodica technologica",
title = "Microstructural characterization of glass-epoxy composites subjected to tensile testing, Mikromehanička karakterizacija staklo-epoksi kompozita izloženog zateznom opterećenju",
pages = "162-151",
number = "44",
doi = "10.2298/APT1344151P"
}

Petrović, J. M., Bekrić, D., Vujičić, I. T., Dimić, I.,& Putić, S.. (2013). Microstructural characterization of glass-epoxy composites subjected to tensile testing. in Acta periodica technologica
Faculty of Technology, Novi Sad.(44), 151-162.
https://doi.org/10.2298/APT1344151P

Petrović JM, Bekrić D, Vujičić IT, Dimić I, Putić S. Microstructural characterization of glass-epoxy composites subjected to tensile testing. in Acta periodica technologica. 2013;(44):151-162.
doi:10.2298/APT1344151P .

Petrović, Jelena M., Bekrić, Dragoljub, Vujičić, Ivica T., Dimić, Ivana, Putić, Slaviša, "Microstructural characterization of glass-epoxy composites subjected to tensile testing" in Acta periodica technologica, no. 44 (2013):151-162,
https://doi.org/10.2298/APT1344151P . .

TY  - JOUR
AU  - Tomović, Nataša
AU  - Dimić, Ivana
AU  - Rakin, Marko
AU  - Putić, Slaviša
AU  - Međo, Bojan
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2327
AB  - Upon the adoption of regulations for pressure equipment the series of standards SRPS EN 13445 began to apply. The paper illustrates strength calculation of a vertical cylindrical pressure vessel of austenitic steels according to SRPS EN 13445-3. The calculation includes a cylindrical shell and two shallow torispherical dish ends exposed to internal pressure of 0.5 MPa. The influence of working conditions and different values of the joint coefficient on the thickness of the cylindrical shell and dish ends is analysed.
AB  - Usvajanjem zakonske regulative iz oblasti opreme pod pritiskom počinje primena serije standarda SRPS EN 13445. U radu je prikazan proračun cilindrične vertikalne posude pod pritiskom od austenitnog čelika prema standardu SRPS EN 13445-3. Proračun obuhvata cilindrični omotač i dva plitka torisferična danca izložena dejstvu unutrašnjeg pritiska od 0,5 MPa. Analiziran je uticaj radnih uslova i različitih vrednosti koeficijenata zavarenih spojeva na debljinu zida cilindričnog omotača i danca.
PB  - Society for Structural Integrity and Life, Institute for Material Testing
T2  - Integritet i vek konstrukcija
T1  - Influence of working conditions on strength calculation of pressure vessel of austenitic steel according to SRPS EN 13445
T1  - Uticaj radnih uslova na proračun čvrstoće posude pod pritiskom od austenitnog čelika prema SRPS EN 13445
EP  - 140
IS  - 2
SP  - 137
VL  - 13
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2327
ER  - 

@article{
author = "Tomović, Nataša and Dimić, Ivana and Rakin, Marko and Putić, Slaviša and Međo, Bojan",
year = "2013",
abstract = "Upon the adoption of regulations for pressure equipment the series of standards SRPS EN 13445 began to apply. The paper illustrates strength calculation of a vertical cylindrical pressure vessel of austenitic steels according to SRPS EN 13445-3. The calculation includes a cylindrical shell and two shallow torispherical dish ends exposed to internal pressure of 0.5 MPa. The influence of working conditions and different values of the joint coefficient on the thickness of the cylindrical shell and dish ends is analysed., Usvajanjem zakonske regulative iz oblasti opreme pod pritiskom počinje primena serije standarda SRPS EN 13445. U radu je prikazan proračun cilindrične vertikalne posude pod pritiskom od austenitnog čelika prema standardu SRPS EN 13445-3. Proračun obuhvata cilindrični omotač i dva plitka torisferična danca izložena dejstvu unutrašnjeg pritiska od 0,5 MPa. Analiziran je uticaj radnih uslova i različitih vrednosti koeficijenata zavarenih spojeva na debljinu zida cilindričnog omotača i danca.",
publisher = "Society for Structural Integrity and Life, Institute for Material Testing",
journal = "Integritet i vek konstrukcija",
title = "Influence of working conditions on strength calculation of pressure vessel of austenitic steel according to SRPS EN 13445, Uticaj radnih uslova na proračun čvrstoće posude pod pritiskom od austenitnog čelika prema SRPS EN 13445",
pages = "140-137",
number = "2",
volume = "13",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2327"
}

Tomović, N., Dimić, I., Rakin, M., Putić, S.,& Međo, B.. (2013). Influence of working conditions on strength calculation of pressure vessel of austenitic steel according to SRPS EN 13445. in Integritet i vek konstrukcija
Society for Structural Integrity and Life, Institute for Material Testing., 13(2), 137-140.
https://hdl.handle.net/21.15107/rcub_technorep_2327

Tomović N, Dimić I, Rakin M, Putić S, Međo B. Influence of working conditions on strength calculation of pressure vessel of austenitic steel according to SRPS EN 13445. in Integritet i vek konstrukcija. 2013;13(2):137-140.
https://hdl.handle.net/21.15107/rcub_technorep_2327 .

Tomović, Nataša, Dimić, Ivana, Rakin, Marko, Putić, Slaviša, Međo, Bojan, "Influence of working conditions on strength calculation of pressure vessel of austenitic steel according to SRPS EN 13445" in Integritet i vek konstrukcija, 13, no. 2 (2013):137-140,
https://hdl.handle.net/21.15107/rcub_technorep_2327 .

TY  - JOUR
AU  - Dimić, Ivana
AU  - Cvijović-Alagić, Ivana
AU  - Rakin, Marica
AU  - Perić-Grujić, Aleksandra
AU  - Rakin, Marko
AU  - Bugarski, Branko
AU  - Putić, Slaviša
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2381
AB  - Due to their excellent characteristics, such as chemical inertness, mechanical resistance, low Young's modulus, high corrosion resistance, and outstanding biocompatibility, titanium and its alloys are the most used metallic materials for biomedical applications. In dental practice, these materials have demonstrated success as biomedical devices which are used for repairing and replacing failed hard tissue. However, the oral cavity is constantly subjected to the changes in the pH value changes and such an environment is strongly corrosive for titanium dental implants. The objective of this study was to examine ion release from commercially pure titanium (cpTi) in artificial saliva with different pH values (4.0, 5.5 and 7.5). The concentrations of released titanium ions were determined after 1, 3 and 6 weeks using Inductively Coupled Plasma - Mass Spectrometry. The results indicate that the ion release from commercially pure titanium in the artificial saliva is dependent both on the pH of artificial saliva and duration of immersion.
AB  - Titan i njegove legure su najčešće korišćeni metalni materijali za biomedicinsku primenu zbog njihovih odličnih karakteristika, kao što su hemijska inertnost, mehanička otpornost, nizak Jungov modul, visoka otpornost na koroziju i izvanredna biokompatibilnost. U stomatološkoj praksi, titan i njegove legure su pokazali uspeh kao biomedicinski uređaji, koji se koriste za popravku ili zamenu oštećenih čvrstih tkiva. Međutim, usna duplja je stalno izložena promenama pH vrednosti i takva sredina je izuzetno koroziona za dentalne implantate izrađene od titana. Cilj ovog rada je bio da se ispita otpuštanje jona iz komercijalno čistog titana (cpTi) u veštačkoj pljuvačci različite pH vrednosti (4.0, 5.5 i 7.5). Koncentracije otpuštenih jona titana su određene posle 1, 3 i 6 nedelja korišćenjem induktivno spregnute plazme sa masenom spektrometrijom (ICP-MS). Rezultati pokazuju da otpuštanje jona iz komercijalno čistog titana zavisi i od pH vrednosti veštačke pljuvačke i od dužine trajanja potapanja.
PB  - Faculty of Technology, Novi Sad
T2  - Acta periodica technologica
T1  - Effect of the pH of artificial saliva on ion release from commercially pure titanium
T1  - Uticaj pH vrednosti veštačke pljuvačke na otpuštanje jona iz komercijalno čistog titana
EP  - 215
IS  - 44
SP  - 207
DO  - 10.2298/APT1344207D
ER  - 

@article{
author = "Dimić, Ivana and Cvijović-Alagić, Ivana and Rakin, Marica and Perić-Grujić, Aleksandra and Rakin, Marko and Bugarski, Branko and Putić, Slaviša",
year = "2013",
abstract = "Due to their excellent characteristics, such as chemical inertness, mechanical resistance, low Young's modulus, high corrosion resistance, and outstanding biocompatibility, titanium and its alloys are the most used metallic materials for biomedical applications. In dental practice, these materials have demonstrated success as biomedical devices which are used for repairing and replacing failed hard tissue. However, the oral cavity is constantly subjected to the changes in the pH value changes and such an environment is strongly corrosive for titanium dental implants. The objective of this study was to examine ion release from commercially pure titanium (cpTi) in artificial saliva with different pH values (4.0, 5.5 and 7.5). The concentrations of released titanium ions were determined after 1, 3 and 6 weeks using Inductively Coupled Plasma - Mass Spectrometry. The results indicate that the ion release from commercially pure titanium in the artificial saliva is dependent both on the pH of artificial saliva and duration of immersion., Titan i njegove legure su najčešće korišćeni metalni materijali za biomedicinsku primenu zbog njihovih odličnih karakteristika, kao što su hemijska inertnost, mehanička otpornost, nizak Jungov modul, visoka otpornost na koroziju i izvanredna biokompatibilnost. U stomatološkoj praksi, titan i njegove legure su pokazali uspeh kao biomedicinski uređaji, koji se koriste za popravku ili zamenu oštećenih čvrstih tkiva. Međutim, usna duplja je stalno izložena promenama pH vrednosti i takva sredina je izuzetno koroziona za dentalne implantate izrađene od titana. Cilj ovog rada je bio da se ispita otpuštanje jona iz komercijalno čistog titana (cpTi) u veštačkoj pljuvačci različite pH vrednosti (4.0, 5.5 i 7.5). Koncentracije otpuštenih jona titana su određene posle 1, 3 i 6 nedelja korišćenjem induktivno spregnute plazme sa masenom spektrometrijom (ICP-MS). Rezultati pokazuju da otpuštanje jona iz komercijalno čistog titana zavisi i od pH vrednosti veštačke pljuvačke i od dužine trajanja potapanja.",
publisher = "Faculty of Technology, Novi Sad",
journal = "Acta periodica technologica",
title = "Effect of the pH of artificial saliva on ion release from commercially pure titanium, Uticaj pH vrednosti veštačke pljuvačke na otpuštanje jona iz komercijalno čistog titana",
pages = "215-207",
number = "44",
doi = "10.2298/APT1344207D"
}

Dimić, I., Cvijović-Alagić, I., Rakin, M., Perić-Grujić, A., Rakin, M., Bugarski, B.,& Putić, S.. (2013). Effect of the pH of artificial saliva on ion release from commercially pure titanium. in Acta periodica technologica
Faculty of Technology, Novi Sad.(44), 207-215.
https://doi.org/10.2298/APT1344207D

Dimić I, Cvijović-Alagić I, Rakin M, Perić-Grujić A, Rakin M, Bugarski B, Putić S. Effect of the pH of artificial saliva on ion release from commercially pure titanium. in Acta periodica technologica. 2013;(44):207-215.
doi:10.2298/APT1344207D .

Dimić, Ivana, Cvijović-Alagić, Ivana, Rakin, Marica, Perić-Grujić, Aleksandra, Rakin, Marko, Bugarski, Branko, Putić, Slaviša, "Effect of the pH of artificial saliva on ion release from commercially pure titanium" in Acta periodica technologica, no. 44 (2013):207-215,
https://doi.org/10.2298/APT1344207D . .

TY  - JOUR
AU  - Petrović, Jelena M.
AU  - Ljubić, Darko
AU  - Stamenović, Marina
AU  - Dimić, Ivana
AU  - Putić, Slaviša
PY  - 2012
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2033
AB  - The significance of composite materials and their applications are mainly due to their good properties. This imposes the need for their recycling, thus extending their lifetime. Once used composite material will be disposed as a waste at the end of it service life. After recycling, this kind of waste can be used as raw materials for the production of same material, which raises their applicability. This indicates a great importance of recycling as a method of the renowal of composite materials. This study represents a contribution to the field of mechanical properties of the recycled composite materials. The tension mechanical properties (tensile strength and modulus of elasticity) of once used and disposed glass-epoxy composite material were compared before and after the recycling. The obtained results from mechanical tests confirmed that the applied recycling method was suitable for glass-epoxy composite materials. In respect to the tensile strength and modulus of elasticity it can be further assessed the possibility of use of recycled glass-epoxy composite materials.
AB  - Primena kompozitnih materijala, zahvaljujući svojim dobrim svojstvima, svakim danom postaje sve veća što nameće pitanje mogućnosti njihovog recikliranja i time produženja njihovog životnog veka. Nakon jedanput korišćenog kompozitnog materijala u određene svrhe vrši se njihovo odlaganje u vidu otpada. Ovakav otpad uglavnom predstavlja sirovinu za proizvodnju iste vrste kompozita postupkom reciklaže, što povećava njihovu primenu. Imajući tu činjenicu u vidu, ovaj rad predstavlja doprinos u području istraživanja mehaničkih svojstava recikliranih kompozitnih materijala. U radu su prikazana zatezna mehanička svojstva staklo-epoksi kompozitniog materijala koji je bio u eksploataciji, postupak njegove reciklaže, kao i zatezna mehanička svojstva staklo-epoksi recikliranog kompozitnog materijala. Poređenjem rezultata se došlo do podataka o ispravnosti postupka reciklaže staklo-epoksi kompozitnog materijala kao i procene o daljoj mogućnosti primene, uzimajući u obzir dobijene vrednosti za zateznu čvrstoću i modul elastičnosti.
PB  - Faculty of Technology, Novi Sad
T2  - Acta periodica technologica
T1  - Tension mechanical properties of recycled glass-epoxy composite material
T1  - Mehanička svojstava recikliranog staklo-epoksi kompozitnog materijala
EP  - 198
IS  - 43
SP  - 189
DO  - 10.2298/APT1243189P
ER  - 

@article{
author = "Petrović, Jelena M. and Ljubić, Darko and Stamenović, Marina and Dimić, Ivana and Putić, Slaviša",
year = "2012",
abstract = "The significance of composite materials and their applications are mainly due to their good properties. This imposes the need for their recycling, thus extending their lifetime. Once used composite material will be disposed as a waste at the end of it service life. After recycling, this kind of waste can be used as raw materials for the production of same material, which raises their applicability. This indicates a great importance of recycling as a method of the renowal of composite materials. This study represents a contribution to the field of mechanical properties of the recycled composite materials. The tension mechanical properties (tensile strength and modulus of elasticity) of once used and disposed glass-epoxy composite material were compared before and after the recycling. The obtained results from mechanical tests confirmed that the applied recycling method was suitable for glass-epoxy composite materials. In respect to the tensile strength and modulus of elasticity it can be further assessed the possibility of use of recycled glass-epoxy composite materials., Primena kompozitnih materijala, zahvaljujući svojim dobrim svojstvima, svakim danom postaje sve veća što nameće pitanje mogućnosti njihovog recikliranja i time produženja njihovog životnog veka. Nakon jedanput korišćenog kompozitnog materijala u određene svrhe vrši se njihovo odlaganje u vidu otpada. Ovakav otpad uglavnom predstavlja sirovinu za proizvodnju iste vrste kompozita postupkom reciklaže, što povećava njihovu primenu. Imajući tu činjenicu u vidu, ovaj rad predstavlja doprinos u području istraživanja mehaničkih svojstava recikliranih kompozitnih materijala. U radu su prikazana zatezna mehanička svojstva staklo-epoksi kompozitniog materijala koji je bio u eksploataciji, postupak njegove reciklaže, kao i zatezna mehanička svojstva staklo-epoksi recikliranog kompozitnog materijala. Poređenjem rezultata se došlo do podataka o ispravnosti postupka reciklaže staklo-epoksi kompozitnog materijala kao i procene o daljoj mogućnosti primene, uzimajući u obzir dobijene vrednosti za zateznu čvrstoću i modul elastičnosti.",
publisher = "Faculty of Technology, Novi Sad",
journal = "Acta periodica technologica",
title = "Tension mechanical properties of recycled glass-epoxy composite material, Mehanička svojstava recikliranog staklo-epoksi kompozitnog materijala",
pages = "198-189",
number = "43",
doi = "10.2298/APT1243189P"
}

Petrović, J. M., Ljubić, D., Stamenović, M., Dimić, I.,& Putić, S.. (2012). Tension mechanical properties of recycled glass-epoxy composite material. in Acta periodica technologica
Faculty of Technology, Novi Sad.(43), 189-198.
https://doi.org/10.2298/APT1243189P

Petrović JM, Ljubić D, Stamenović M, Dimić I, Putić S. Tension mechanical properties of recycled glass-epoxy composite material. in Acta periodica technologica. 2012;(43):189-198.
doi:10.2298/APT1243189P .

Petrović, Jelena M., Ljubić, Darko, Stamenović, Marina, Dimić, Ivana, Putić, Slaviša, "Tension mechanical properties of recycled glass-epoxy composite material" in Acta periodica technologica, no. 43 (2012):189-198,
https://doi.org/10.2298/APT1243189P . .

TY  - JOUR
AU  - Stamenović, Marina
AU  - Putić, Slaviša
AU  - Međo, Bojan
AU  - Rakin, Marko
AU  - Zrilić, Milorad
PY  - 2012
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2141
AB  - The objective of this study was the determination of the influence of alkaline and acidic solutions on the impact properties of glass-polyester composite pipes. First, the impact test was performed on virgin samples (without the influence of any liquid) to obtain knowledge about the original material properties. Subsequently, the specimens were soaked in water and in alkaline and acidic solutions: sodium hydroxide, ammonium hydroxide, phosphoric acid, and nitric acid. The specimens were left in each liquid for 3, 10, 30, and 60 days at room temperature. The impact toughness and the crack initiation and propagation energies were recorded for all samples. A comparison of the results was made based on the pH values of the aggressive media, as well as based on the original impact properties and number of days of treatment. This way, the service life of pipes for transport of theexamined solutions could be predicted. POLYM. COMPOS., 2012.
PB  - Wiley-Blackwell, Hoboken
T2  - Polymer Composites
T1  - Effect of solution pH on crack initiation and propagation in glass-polyester pipes subjected to impact
EP  - 1328
IS  - 8
SP  - 1321
VL  - 33
DO  - 10.1002/pc.22258
ER  - 

@article{
author = "Stamenović, Marina and Putić, Slaviša and Međo, Bojan and Rakin, Marko and Zrilić, Milorad",
year = "2012",
abstract = "The objective of this study was the determination of the influence of alkaline and acidic solutions on the impact properties of glass-polyester composite pipes. First, the impact test was performed on virgin samples (without the influence of any liquid) to obtain knowledge about the original material properties. Subsequently, the specimens were soaked in water and in alkaline and acidic solutions: sodium hydroxide, ammonium hydroxide, phosphoric acid, and nitric acid. The specimens were left in each liquid for 3, 10, 30, and 60 days at room temperature. The impact toughness and the crack initiation and propagation energies were recorded for all samples. A comparison of the results was made based on the pH values of the aggressive media, as well as based on the original impact properties and number of days of treatment. This way, the service life of pipes for transport of theexamined solutions could be predicted. POLYM. COMPOS., 2012.",
publisher = "Wiley-Blackwell, Hoboken",
journal = "Polymer Composites",
title = "Effect of solution pH on crack initiation and propagation in glass-polyester pipes subjected to impact",
pages = "1328-1321",
number = "8",
volume = "33",
doi = "10.1002/pc.22258"
}

Stamenović, M., Putić, S., Međo, B., Rakin, M.,& Zrilić, M.. (2012). Effect of solution pH on crack initiation and propagation in glass-polyester pipes subjected to impact. in Polymer Composites
Wiley-Blackwell, Hoboken., 33(8), 1321-1328.
https://doi.org/10.1002/pc.22258

Stamenović M, Putić S, Međo B, Rakin M, Zrilić M. Effect of solution pH on crack initiation and propagation in glass-polyester pipes subjected to impact. in Polymer Composites. 2012;33(8):1321-1328.
doi:10.1002/pc.22258 .

Stamenović, Marina, Putić, Slaviša, Međo, Bojan, Rakin, Marko, Zrilić, Milorad, "Effect of solution pH on crack initiation and propagation in glass-polyester pipes subjected to impact" in Polymer Composites, 33, no. 8 (2012):1321-1328,
https://doi.org/10.1002/pc.22258 . .