TY  - CONF
AU  - Popović, Miljana
AU  - Alil, Ana
AU  - Gligorijević, Bojan
AU  - Romhanji, Endre
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7296
AB  - Wrought Al-Mg alloys are important and promising material for application in transportation industry primarily due to favorable strength to weight ratio. As a result of their usage in the field of transportation, the weight of vehicle constructions become reduced, resulting in a decrease of fuel consumption and carbon dioxide emissions. In addition to these advantages, one of the important demands on the application of Al-Mg alloys as a light weight structural material, is providing a high strength, corrosion resistance and good surface quality without relief caused by yield point phenomena and serrated flow. Such a good combination of properties can be achieved by a variation and optimization of thermomechanical processing parameters including a degree of deformation and annealing conditions. 
In this study we investigated the effect of cold rolling reductions and different annealing conditions, on the corrosion resistance and mechanical properties of an AA5182 type Al-Mg alloy. Material was industrially produced and supplied by Impol-Seval Aluminium Rolling Mill, Sevojno, Serbia, as hot rolled 12 mm thick plates. Further lab-processing of hot rolled plates included cold rolling with 40-85% reduction in thickness, and annealing in the range of temperatures 280-350°C, in a different period of time. Annealed specimens were used for room temperature tensile testing while corrosion testing was performed on the annealed and sensitized specimens. Intergranular corrosion (IGC) susceptibility was determined by nitric acid mass loss test (NAMLT) for the selected states. 
The results showed that corrosion resistance, tensile strength and yield point elongation were mostly affected by a degree of cold deformation. It was found that increasing in cold rolling reduction from 40-85% before annealing causes an improved strength level due to grain size refinement. However, yield point elongation became more pronounced and a tendency towards Lüdering as undesirable surface appearance was increased. NAMLT testing showed that the material was corrosion resistant in as-annealed condition while it became susceptible to intergranular corrosion after sensitization treatment. IGC susceptibility of sensitized specimens increases with cold rolling reduction and a raise of annealing temperature.
PB  - Belgrade : Association of Metallurgical Engineers of Serbia (AMES)
C3  - Book of Abstracts / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023
T1  - Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy
SP  - 51
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7296
ER  - 

@conference{
author = "Popović, Miljana and Alil, Ana and Gligorijević, Bojan and Romhanji, Endre",
year = "2023",
abstract = "Wrought Al-Mg alloys are important and promising material for application in transportation industry primarily due to favorable strength to weight ratio. As a result of their usage in the field of transportation, the weight of vehicle constructions become reduced, resulting in a decrease of fuel consumption and carbon dioxide emissions. In addition to these advantages, one of the important demands on the application of Al-Mg alloys as a light weight structural material, is providing a high strength, corrosion resistance and good surface quality without relief caused by yield point phenomena and serrated flow. Such a good combination of properties can be achieved by a variation and optimization of thermomechanical processing parameters including a degree of deformation and annealing conditions. 
In this study we investigated the effect of cold rolling reductions and different annealing conditions, on the corrosion resistance and mechanical properties of an AA5182 type Al-Mg alloy. Material was industrially produced and supplied by Impol-Seval Aluminium Rolling Mill, Sevojno, Serbia, as hot rolled 12 mm thick plates. Further lab-processing of hot rolled plates included cold rolling with 40-85% reduction in thickness, and annealing in the range of temperatures 280-350°C, in a different period of time. Annealed specimens were used for room temperature tensile testing while corrosion testing was performed on the annealed and sensitized specimens. Intergranular corrosion (IGC) susceptibility was determined by nitric acid mass loss test (NAMLT) for the selected states. 
The results showed that corrosion resistance, tensile strength and yield point elongation were mostly affected by a degree of cold deformation. It was found that increasing in cold rolling reduction from 40-85% before annealing causes an improved strength level due to grain size refinement. However, yield point elongation became more pronounced and a tendency towards Lüdering as undesirable surface appearance was increased. NAMLT testing showed that the material was corrosion resistant in as-annealed condition while it became susceptible to intergranular corrosion after sensitization treatment. IGC susceptibility of sensitized specimens increases with cold rolling reduction and a raise of annealing temperature.",
publisher = "Belgrade : Association of Metallurgical Engineers of Serbia (AMES)",
journal = "Book of Abstracts / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023",
title = "Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy",
pages = "51",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7296"
}

Popović, M., Alil, A., Gligorijević, B.,& Romhanji, E.. (2023). Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy. in Book of Abstracts / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023
Belgrade : Association of Metallurgical Engineers of Serbia (AMES)., 51.
https://hdl.handle.net/21.15107/rcub_technorep_7296

Popović M, Alil A, Gligorijević B, Romhanji E. Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy. in Book of Abstracts / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023. 2023;:51.
https://hdl.handle.net/21.15107/rcub_technorep_7296 .

Popović, Miljana, Alil, Ana, Gligorijević, Bojan, Romhanji, Endre, "Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy" in Book of Abstracts / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023 (2023):51,
https://hdl.handle.net/21.15107/rcub_technorep_7296 .

TY  - CONF
AU  - Popović, Miljana
AU  - Alil, Ana
AU  - Gligorijević, Bojan
AU  - Romhanji, Endre
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7295
AB  - In this study we investigated the effect of cold rolling reductions and different annealing conditions, on the mechanical properties and corrosion resistance of an AA5182 type Al-Mg alloy. Material was industrially produced and supplied as hot rolled 12 mm thick plates. Further lab-processing included cold rolling with 40-85% reduction in thickness, and 2h of annealing in the range of temperatures from 300-350°C. Annealed specimens were used for room temperature tensile testing while corrosion testing was performed on the annealed and sensitized specimens. Intergranular corrosion (IGC) susceptibility was determined by nitric acid mass loss test (NAMLT) for the selected states. 
The results showed that corrosion resistance, tensile strength and yield point elongation were mostly affected by a degree of cold deformation. It was found that increasing in cold rolling reduction from 40-85% before annealing causes an improved strength level due to grain size refinement. However, yield point elongation became more pronounced and a tendency towards Lüdering as undesirable surface appearance was increased. NAMLT testing showed that the material was corrosion resistant in as-annealed condition while it became susceptible to intergranular corrosion after sensitization treatment. IGC susceptibility of sensitized specimens increases with cold rolling reduction and a grain size refinement.
PB  - Belgrade : Association of Metallurgical Engineers of Serbia (AMES)
C3  - Congress Proceedings / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023
T1  - Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy
EP  - 297
SP  - 291
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7295
ER  - 

@conference{
author = "Popović, Miljana and Alil, Ana and Gligorijević, Bojan and Romhanji, Endre",
year = "2023",
abstract = "In this study we investigated the effect of cold rolling reductions and different annealing conditions, on the mechanical properties and corrosion resistance of an AA5182 type Al-Mg alloy. Material was industrially produced and supplied as hot rolled 12 mm thick plates. Further lab-processing included cold rolling with 40-85% reduction in thickness, and 2h of annealing in the range of temperatures from 300-350°C. Annealed specimens were used for room temperature tensile testing while corrosion testing was performed on the annealed and sensitized specimens. Intergranular corrosion (IGC) susceptibility was determined by nitric acid mass loss test (NAMLT) for the selected states. 
The results showed that corrosion resistance, tensile strength and yield point elongation were mostly affected by a degree of cold deformation. It was found that increasing in cold rolling reduction from 40-85% before annealing causes an improved strength level due to grain size refinement. However, yield point elongation became more pronounced and a tendency towards Lüdering as undesirable surface appearance was increased. NAMLT testing showed that the material was corrosion resistant in as-annealed condition while it became susceptible to intergranular corrosion after sensitization treatment. IGC susceptibility of sensitized specimens increases with cold rolling reduction and a grain size refinement.",
publisher = "Belgrade : Association of Metallurgical Engineers of Serbia (AMES)",
journal = "Congress Proceedings / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023",
title = "Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy",
pages = "297-291",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7295"
}

Popović, M., Alil, A., Gligorijević, B.,& Romhanji, E.. (2023). Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy. in Congress Proceedings / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023
Belgrade : Association of Metallurgical Engineers of Serbia (AMES)., 291-297.
https://hdl.handle.net/21.15107/rcub_technorep_7295

Popović M, Alil A, Gligorijević B, Romhanji E. Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy. in Congress Proceedings / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023. 2023;:291-297.
https://hdl.handle.net/21.15107/rcub_technorep_7295 .

Popović, Miljana, Alil, Ana, Gligorijević, Bojan, Romhanji, Endre, "Influence of Cold Rolling and Annealing on the Mechanical and Corrosion Properties of an AA5182 Al-Mg Alloy" in Congress Proceedings / 5th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE Congress 2023, Trebinje, Bosnia and Herzegovina 7-10th June 2023 (2023):291-297,
https://hdl.handle.net/21.15107/rcub_technorep_7295 .

TY  - JOUR
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Novaković, Mirjana
AU  - Rajić, Vladimir
AU  - Romhanji, Endre
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7159
AB  - The Fe-bearing intermetallic phases present in the as-cast AA6026 alloy and their evolution during homogenization treatments at 480-550°C were investigated using optical microscopy, SEM, and TEM techniques in combination with EDS analysis. In addition to the α-Al(Fe,Mn)Si phase with dendritic morphology, two types of plate-like Fe-bearing microconstituents were revealed in the microstructure of the as-cast alloy. The EDS microanalysis and electron diffraction showed that one set of platelets represented thin sections of α-Al(Fe,Mn)Si microconstituent. The other set of plate-like microconstituents was identified as a tetragonal, silicon-rich δ-Al4(Fe,Mn)Si2 phase. The formation of the δ-Al4(Fe,Mn)Si2 phase was attributed to the chemical composition of the alloy. During homogenization, the metastable δ-Al4(Fe,Mn)Si2 transformed into the α-Al(Fe,Mn)Si phase and fragmented. The dendritic α-Al(Fe,Mn)Si microconstituents underwent fragmentation. However, while the α-Al(Fe,Mn)Si microconstituents preserved a b.c.c. crystal lattice throughout the process, the product of the transformation of the δ-Al4(Fe,Mn)Si2 phase exhibited primitive cubic lattice.
AB  - Ispitivanje prisustva faza koje sadrže Fe u mikrostrukturi livene legure AA6026, kao i njihova evolucija tokom postupaka
homogenizacije na temperaturama od 480-550 °C, sprovedena su korišćenjem optičke mikroskopije, skenirajuće
elektronske mikroskopije (SEM) i transmisione elektronske mikroskopije (TEM) u kombinaciji sa analizom EDS-a. Osim
faze α-Al(Fe,Mn)Si sa dendritskom morfologijom, identifikovane su dve vrste pločastih mikrokonstituenata koji sadrže Fe
u mikrostrukturi livene legure. EDS mikroanaliza i elektronska difrakcija pokazali su da jedan skup ploča predstavlja samo
tanke sekcije mikrokonstituente α-Al(Fe,Mn)Si. Drugi skup pločastih mikrokonstituenata identifikovan je kao četvrtasta,
silicijumom bogata faza δ-Al4
(Fe,Mn)Si2
. Formiranje faze δ-Al4
(Fe,Mn)Si2
 povezano je sa hemijskim sastavom legure.
Tokom homogenizacije, metastabilna faza δ-Al4
(Fe,Mn)Si2
 transformisala se u fazu α-Al(Fe,Mn)Si i fragmentirala.
Dendritski mikrokonstituenti α-Al(Fe,Mn)Si takođe su fragmentirali. Međutim, dok su mikrokonstituenti α-Al(Fe,Mn)Si
sačuvali kubnu kristalnu rešetku tipa b.c.c. tokom procesa, proizvod transformacije faze δ-Al4(Fe,Mn)Si2
 pokazao je prostu
kubnu rešetku.
PB  - Technical Faculty in Bor
T2  - Journal of Mining and Metallurgy, Section B: Metallurgy
T1  - IDENTIFICATION OF Fe-BEARING PHASES IN THE AS-CAST MICROSTRUCTURE OF AA6026 ALLOY AND THEIR EVOLUTION DURING HOMOGENIZATION TREATMENT
T1  - PREPOZNAVANJE FAZA KOJE SADRŽE Fe U MIKROSTRUKTURI LIVENE LEGURE AA6026 I NJIHOVA EVOLUCIJA TOKOM POSTUPKA HOMOGENIZACIJE
EP  - 338
IS  - 2
SP  - 327
VL  - 59
DO  - 10.2298/JMMB230611028R
ER  - 

@article{
author = "Radetić, Tamara and Popović, Miljana and Novaković, Mirjana and Rajić, Vladimir and Romhanji, Endre",
year = "2023",
abstract = "The Fe-bearing intermetallic phases present in the as-cast AA6026 alloy and their evolution during homogenization treatments at 480-550°C were investigated using optical microscopy, SEM, and TEM techniques in combination with EDS analysis. In addition to the α-Al(Fe,Mn)Si phase with dendritic morphology, two types of plate-like Fe-bearing microconstituents were revealed in the microstructure of the as-cast alloy. The EDS microanalysis and electron diffraction showed that one set of platelets represented thin sections of α-Al(Fe,Mn)Si microconstituent. The other set of plate-like microconstituents was identified as a tetragonal, silicon-rich δ-Al4(Fe,Mn)Si2 phase. The formation of the δ-Al4(Fe,Mn)Si2 phase was attributed to the chemical composition of the alloy. During homogenization, the metastable δ-Al4(Fe,Mn)Si2 transformed into the α-Al(Fe,Mn)Si phase and fragmented. The dendritic α-Al(Fe,Mn)Si microconstituents underwent fragmentation. However, while the α-Al(Fe,Mn)Si microconstituents preserved a b.c.c. crystal lattice throughout the process, the product of the transformation of the δ-Al4(Fe,Mn)Si2 phase exhibited primitive cubic lattice., Ispitivanje prisustva faza koje sadrže Fe u mikrostrukturi livene legure AA6026, kao i njihova evolucija tokom postupaka
homogenizacije na temperaturama od 480-550 °C, sprovedena su korišćenjem optičke mikroskopije, skenirajuće
elektronske mikroskopije (SEM) i transmisione elektronske mikroskopije (TEM) u kombinaciji sa analizom EDS-a. Osim
faze α-Al(Fe,Mn)Si sa dendritskom morfologijom, identifikovane su dve vrste pločastih mikrokonstituenata koji sadrže Fe
u mikrostrukturi livene legure. EDS mikroanaliza i elektronska difrakcija pokazali su da jedan skup ploča predstavlja samo
tanke sekcije mikrokonstituente α-Al(Fe,Mn)Si. Drugi skup pločastih mikrokonstituenata identifikovan je kao četvrtasta,
silicijumom bogata faza δ-Al4
(Fe,Mn)Si2
. Formiranje faze δ-Al4
(Fe,Mn)Si2
 povezano je sa hemijskim sastavom legure.
Tokom homogenizacije, metastabilna faza δ-Al4
(Fe,Mn)Si2
 transformisala se u fazu α-Al(Fe,Mn)Si i fragmentirala.
Dendritski mikrokonstituenti α-Al(Fe,Mn)Si takođe su fragmentirali. Međutim, dok su mikrokonstituenti α-Al(Fe,Mn)Si
sačuvali kubnu kristalnu rešetku tipa b.c.c. tokom procesa, proizvod transformacije faze δ-Al4(Fe,Mn)Si2
 pokazao je prostu
kubnu rešetku.",
publisher = "Technical Faculty in Bor",
journal = "Journal of Mining and Metallurgy, Section B: Metallurgy",
title = "IDENTIFICATION OF Fe-BEARING PHASES IN THE AS-CAST MICROSTRUCTURE OF AA6026 ALLOY AND THEIR EVOLUTION DURING HOMOGENIZATION TREATMENT, PREPOZNAVANJE FAZA KOJE SADRŽE Fe U MIKROSTRUKTURI LIVENE LEGURE AA6026 I NJIHOVA EVOLUCIJA TOKOM POSTUPKA HOMOGENIZACIJE",
pages = "338-327",
number = "2",
volume = "59",
doi = "10.2298/JMMB230611028R"
}

Radetić, T., Popović, M., Novaković, M., Rajić, V.,& Romhanji, E.. (2023). IDENTIFICATION OF Fe-BEARING PHASES IN THE AS-CAST MICROSTRUCTURE OF AA6026 ALLOY AND THEIR EVOLUTION DURING HOMOGENIZATION TREATMENT. in Journal of Mining and Metallurgy, Section B: Metallurgy
Technical Faculty in Bor., 59(2), 327-338.
https://doi.org/10.2298/JMMB230611028R

Radetić T, Popović M, Novaković M, Rajić V, Romhanji E. IDENTIFICATION OF Fe-BEARING PHASES IN THE AS-CAST MICROSTRUCTURE OF AA6026 ALLOY AND THEIR EVOLUTION DURING HOMOGENIZATION TREATMENT. in Journal of Mining and Metallurgy, Section B: Metallurgy. 2023;59(2):327-338.
doi:10.2298/JMMB230611028R .

Radetić, Tamara, Popović, Miljana, Novaković, Mirjana, Rajić, Vladimir, Romhanji, Endre, "IDENTIFICATION OF Fe-BEARING PHASES IN THE AS-CAST MICROSTRUCTURE OF AA6026 ALLOY AND THEIR EVOLUTION DURING HOMOGENIZATION TREATMENT" in Journal of Mining and Metallurgy, Section B: Metallurgy, 59, no. 2 (2023):327-338,
https://doi.org/10.2298/JMMB230611028R . .

TY  - CONF
AU  - Ćitić, Aleksandar
AU  - Popović, Miljana
AU  - Radetić, Tamara
AU  - Ghulam Isaq Khan, Muhamad
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7244
AB  - There is renewed interest in microstructure development at the different stages of the thermomechanical processing (TMP) of the 5xxx series aluminum alloys due to the increased
demand for sheet material with excellent mechanical properties and formability. This study
investigates how homogenization conditions affect the processes of dissolution and
precipitation of secondary phases and, further down the processing line, the recrystallization
behavior of Al-Mg alloy AA5182. ...
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia
T1  - The effect of homogenization conditions on microstructure and recrystallization behavior of AA5182 alloy
SP  - 77
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7244
ER  - 

@conference{
author = "Ćitić, Aleksandar and Popović, Miljana and Radetić, Tamara and Ghulam Isaq Khan, Muhamad",
year = "2023",
abstract = "There is renewed interest in microstructure development at the different stages of the thermomechanical processing (TMP) of the 5xxx series aluminum alloys due to the increased
demand for sheet material with excellent mechanical properties and formability. This study
investigates how homogenization conditions affect the processes of dissolution and
precipitation of secondary phases and, further down the processing line, the recrystallization
behavior of Al-Mg alloy AA5182. ...",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia",
title = "The effect of homogenization conditions on microstructure and recrystallization behavior of AA5182 alloy",
pages = "77",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7244"
}

Ćitić, A., Popović, M., Radetić, T.,& Ghulam Isaq Khan, M.. (2023). The effect of homogenization conditions on microstructure and recrystallization behavior of AA5182 alloy. in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia
Belgrade : Institute of Technical Sciences of SASA., 77.
https://hdl.handle.net/21.15107/rcub_technorep_7244

Ćitić A, Popović M, Radetić T, Ghulam Isaq Khan M. The effect of homogenization conditions on microstructure and recrystallization behavior of AA5182 alloy. in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia. 2023;:77.
https://hdl.handle.net/21.15107/rcub_technorep_7244 .

Ćitić, Aleksandar, Popović, Miljana, Radetić, Tamara, Ghulam Isaq Khan, Muhamad, "The effect of homogenization conditions on microstructure and recrystallization behavior of AA5182 alloy" in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia (2023):77,
https://hdl.handle.net/21.15107/rcub_technorep_7244 .

TY  - CONF
AU  - Ghulam Isaq Khan, Muhamad
AU  - Rajković, Filip
AU  - Popović, Miljana
AU  - Prelević, Dejan
AU  - Ćitić, Aleksandar
AU  - Radetić, Tamara
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7249
AB  - In this work, we investigate the role of crystallographic texture on the onset of abnormal grain growth
(AGG) in AA5182 alloy. TMP included 65% cold-rolling reduction and isothermal annealing at 480°C at
various times. The microstructure characterization by optical microscopy in polarized light revealed that
AGG starts after holding for 5 min at 480°C. Further investigation of the sample with incipient abnormal
grains was conducted by an SEM equipped with an EBSD detector. The incipient abnormal grains appear
to have an orientation of minor texture components, i.e. different cube variants, most likely due to the
enhanced grain boundary mobility. However, texture fails to explain the difference in the propensity toward
AGG in the region close to the sheet surface and its center, which is likely caused by the non-uniform
distribution of the intermetallic particles.
PB  - Bor : University of Belgrade, Technical Faculty
C3  - Proceedings / 54th International October Conference on Mining and Metallurgy - IOC 2023, 18-21 October 2023, Bor Lake, Serbia
T1  - Initiation of abnormal grain growth in cold-rolled sheet of AA5182 Al-Mg alloy: role of texture
EP  - 484
SP  - 481
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7249
ER  - 

@conference{
author = "Ghulam Isaq Khan, Muhamad and Rajković, Filip and Popović, Miljana and Prelević, Dejan and Ćitić, Aleksandar and Radetić, Tamara",
year = "2023",
abstract = "In this work, we investigate the role of crystallographic texture on the onset of abnormal grain growth
(AGG) in AA5182 alloy. TMP included 65% cold-rolling reduction and isothermal annealing at 480°C at
various times. The microstructure characterization by optical microscopy in polarized light revealed that
AGG starts after holding for 5 min at 480°C. Further investigation of the sample with incipient abnormal
grains was conducted by an SEM equipped with an EBSD detector. The incipient abnormal grains appear
to have an orientation of minor texture components, i.e. different cube variants, most likely due to the
enhanced grain boundary mobility. However, texture fails to explain the difference in the propensity toward
AGG in the region close to the sheet surface and its center, which is likely caused by the non-uniform
distribution of the intermetallic particles.",
publisher = "Bor : University of Belgrade, Technical Faculty",
journal = "Proceedings / 54th International October Conference on Mining and Metallurgy - IOC 2023, 18-21 October 2023, Bor Lake, Serbia",
title = "Initiation of abnormal grain growth in cold-rolled sheet of AA5182 Al-Mg alloy: role of texture",
pages = "484-481",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7249"
}

Ghulam Isaq Khan, M., Rajković, F., Popović, M., Prelević, D., Ćitić, A.,& Radetić, T.. (2023). Initiation of abnormal grain growth in cold-rolled sheet of AA5182 Al-Mg alloy: role of texture. in Proceedings / 54th International October Conference on Mining and Metallurgy - IOC 2023, 18-21 October 2023, Bor Lake, Serbia
Bor : University of Belgrade, Technical Faculty., 481-484.
https://hdl.handle.net/21.15107/rcub_technorep_7249

Ghulam Isaq Khan M, Rajković F, Popović M, Prelević D, Ćitić A, Radetić T. Initiation of abnormal grain growth in cold-rolled sheet of AA5182 Al-Mg alloy: role of texture. in Proceedings / 54th International October Conference on Mining and Metallurgy - IOC 2023, 18-21 October 2023, Bor Lake, Serbia. 2023;:481-484.
https://hdl.handle.net/21.15107/rcub_technorep_7249 .

Ghulam Isaq Khan, Muhamad, Rajković, Filip, Popović, Miljana, Prelević, Dejan, Ćitić, Aleksandar, Radetić, Tamara, "Initiation of abnormal grain growth in cold-rolled sheet of AA5182 Al-Mg alloy: role of texture" in Proceedings / 54th International October Conference on Mining and Metallurgy - IOC 2023, 18-21 October 2023, Bor Lake, Serbia (2023):481-484,
https://hdl.handle.net/21.15107/rcub_technorep_7249 .

TY  - CONF
AU  - Ghulam Isaq Khan, Muhamad
AU  - Rajković, Filip
AU  - Popović, Miljana
AU  - Prelević, Dejan
AU  - Ćitić, Aleksandar
AU  - Radetić, Tamara
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7250
AB  - Studies of recrystallization and grain growth phenomena have a long history, but the causes of abnormal grain growth (AGG) are not well understood. We report on the results of the study of the occurrence of AGG in Al-Mg alloy AA5182. The industrially produced hot band underwent various routes of thermo-mechanical processing: inter-annealing, cold rolling with reductions ranging from 40-85% followed by isochronal anneal (1h) in the temperature range 350-520°C or isothermal treatment at 480°C for various times. The microstructural characterization was conducted by optical microscopy in polarized light and FEG SEM, while the EBSD technique was used for microtexture analysis of the selected states. The results showed that the temperature for the onset of the AGG decreases as the degree of cold reduction increases. The abnormal grains start to appear in the regions close to the surface, i.e., within 1.5 mm from it in the inter-annealed 12 mm thick hot band or 700 μm in the case of cold rolled sheet with 64% reduction. Initially equiaxed, abnormal grains show strong growth anisotropy with much faster growth in the rolling than in the normal direction. Growth anisotropy was attributed to the rod-like shape and alignment of Al6Mn dispersoids through Zener pinning. With extended annealing, bands of abnormal grains form parallel to the surfaces. Microtexture analysis of the sample with incipient abnormal grains showed the presence of retained rolling texture components in the form of R-fibre. In contrast, the incipient abnormal grains appear to have orientations of cube variants, the texture components which are at or below random level. Since the texture is similar throughout the sheet, it is likely that the AGG starts first in the surface region due to the non-uniform deformation and distribution of the intermetallic particles.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia
T1  - Study of abnormal grain growth in cold-rolled AA5182 Al-Mg alloy
SP  - 61
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7250
ER  - 

@conference{
author = "Ghulam Isaq Khan, Muhamad and Rajković, Filip and Popović, Miljana and Prelević, Dejan and Ćitić, Aleksandar and Radetić, Tamara",
year = "2023",
abstract = "Studies of recrystallization and grain growth phenomena have a long history, but the causes of abnormal grain growth (AGG) are not well understood. We report on the results of the study of the occurrence of AGG in Al-Mg alloy AA5182. The industrially produced hot band underwent various routes of thermo-mechanical processing: inter-annealing, cold rolling with reductions ranging from 40-85% followed by isochronal anneal (1h) in the temperature range 350-520°C or isothermal treatment at 480°C for various times. The microstructural characterization was conducted by optical microscopy in polarized light and FEG SEM, while the EBSD technique was used for microtexture analysis of the selected states. The results showed that the temperature for the onset of the AGG decreases as the degree of cold reduction increases. The abnormal grains start to appear in the regions close to the surface, i.e., within 1.5 mm from it in the inter-annealed 12 mm thick hot band or 700 μm in the case of cold rolled sheet with 64% reduction. Initially equiaxed, abnormal grains show strong growth anisotropy with much faster growth in the rolling than in the normal direction. Growth anisotropy was attributed to the rod-like shape and alignment of Al6Mn dispersoids through Zener pinning. With extended annealing, bands of abnormal grains form parallel to the surfaces. Microtexture analysis of the sample with incipient abnormal grains showed the presence of retained rolling texture components in the form of R-fibre. In contrast, the incipient abnormal grains appear to have orientations of cube variants, the texture components which are at or below random level. Since the texture is similar throughout the sheet, it is likely that the AGG starts first in the surface region due to the non-uniform deformation and distribution of the intermetallic particles.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia",
title = "Study of abnormal grain growth in cold-rolled AA5182 Al-Mg alloy",
pages = "61",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7250"
}

Ghulam Isaq Khan, M., Rajković, F., Popović, M., Prelević, D., Ćitić, A.,& Radetić, T.. (2023). Study of abnormal grain growth in cold-rolled AA5182 Al-Mg alloy. in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia
Belgrade : Institute of Technical Sciences of SASA., 61.
https://hdl.handle.net/21.15107/rcub_technorep_7250

Ghulam Isaq Khan M, Rajković F, Popović M, Prelević D, Ćitić A, Radetić T. Study of abnormal grain growth in cold-rolled AA5182 Al-Mg alloy. in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia. 2023;:61.
https://hdl.handle.net/21.15107/rcub_technorep_7250 .

Ghulam Isaq Khan, Muhamad, Rajković, Filip, Popović, Miljana, Prelević, Dejan, Ćitić, Aleksandar, Radetić, Tamara, "Study of abnormal grain growth in cold-rolled AA5182 Al-Mg alloy" in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia (2023):61,
https://hdl.handle.net/21.15107/rcub_technorep_7250 .

TY  - JOUR
AU  - Stamenković, Dejan
AU  - Popović, Miljana
AU  - Rudolf, Rebeka
AU  - Zrilić, Milorad
AU  - Raić, Karlo
AU  - Obradović Đuričić, Kosovka
AU  - Stamenković, Dragoslav
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6377
AB  - Since additive technologies in dentistry are gradually replacing metal casting technology, it is necessary to evaluate new dental constructions intended for the development of removable partial denture frameworks. The aim of this research was to evaluate the microstructure and mechanical properties of 3D-printed, laser-melted and -sintered Co–Cr alloys, and perform a comparative study with Co–Cr castings for the same dental purposes. The experiments were divided into two groups. The first group consisted of samples produced by conventional casting of the Co–Cr alloy. The second group consisted of 3D-printed, laser-melted and -sintered specimens produced from a Co–Cr alloy powder divided into three subgroups, depending on the technological parameters chosen for manufacturing (angle, location and heat treatment). Examination of the microstructure was carried out by classical metallographic sample preparation, using optical microscopy and scanning electron microscopy with energy dispersive X-ray spectroscopy (EDX) analysis. A structural phase analysis was also performed by XRD. The mechanical properties were determined using a standard tensile test. The microstructure observation showed a dendritic character in the case of castings, while in the case of 3D-printed, laser-melted and -sintered Co–Cr alloys, the microstructure was typical for additive technologies. The XRD phase analysis confirmed the presence of Co–Cr phases (ε and γ). The results of the tensile test showed remarkably higher yield and tensile strength values and slightly lower elongation of the 3D-printed, laser-melted and -sintered samples than those produced by conventional casting.
PB  - MDPI
T2  - Materials
T1  - Comparative Study of the Microstructure and Properties of Cast-Fabricated and 3D-Printed Laser-Sintered Co–Cr Alloys for Removable Partial Denture Frameworks
IS  - 8
SP  - 3267
VL  - 16
DO  - 10.3390/ma16083267
ER  - 

@article{
author = "Stamenković, Dejan and Popović, Miljana and Rudolf, Rebeka and Zrilić, Milorad and Raić, Karlo and Obradović Đuričić, Kosovka and Stamenković, Dragoslav",
year = "2023",
abstract = "Since additive technologies in dentistry are gradually replacing metal casting technology, it is necessary to evaluate new dental constructions intended for the development of removable partial denture frameworks. The aim of this research was to evaluate the microstructure and mechanical properties of 3D-printed, laser-melted and -sintered Co–Cr alloys, and perform a comparative study with Co–Cr castings for the same dental purposes. The experiments were divided into two groups. The first group consisted of samples produced by conventional casting of the Co–Cr alloy. The second group consisted of 3D-printed, laser-melted and -sintered specimens produced from a Co–Cr alloy powder divided into three subgroups, depending on the technological parameters chosen for manufacturing (angle, location and heat treatment). Examination of the microstructure was carried out by classical metallographic sample preparation, using optical microscopy and scanning electron microscopy with energy dispersive X-ray spectroscopy (EDX) analysis. A structural phase analysis was also performed by XRD. The mechanical properties were determined using a standard tensile test. The microstructure observation showed a dendritic character in the case of castings, while in the case of 3D-printed, laser-melted and -sintered Co–Cr alloys, the microstructure was typical for additive technologies. The XRD phase analysis confirmed the presence of Co–Cr phases (ε and γ). The results of the tensile test showed remarkably higher yield and tensile strength values and slightly lower elongation of the 3D-printed, laser-melted and -sintered samples than those produced by conventional casting.",
publisher = "MDPI",
journal = "Materials",
title = "Comparative Study of the Microstructure and Properties of Cast-Fabricated and 3D-Printed Laser-Sintered Co–Cr Alloys for Removable Partial Denture Frameworks",
number = "8",
pages = "3267",
volume = "16",
doi = "10.3390/ma16083267"
}

Stamenković, D., Popović, M., Rudolf, R., Zrilić, M., Raić, K., Obradović Đuričić, K.,& Stamenković, D.. (2023). Comparative Study of the Microstructure and Properties of Cast-Fabricated and 3D-Printed Laser-Sintered Co–Cr Alloys for Removable Partial Denture Frameworks. in Materials
MDPI., 16(8), 3267.
https://doi.org/10.3390/ma16083267

Stamenković D, Popović M, Rudolf R, Zrilić M, Raić K, Obradović Đuričić K, Stamenković D. Comparative Study of the Microstructure and Properties of Cast-Fabricated and 3D-Printed Laser-Sintered Co–Cr Alloys for Removable Partial Denture Frameworks. in Materials. 2023;16(8):3267.
doi:10.3390/ma16083267 .

Stamenković, Dejan, Popović, Miljana, Rudolf, Rebeka, Zrilić, Milorad, Raić, Karlo, Obradović Đuričić, Kosovka, Stamenković, Dragoslav, "Comparative Study of the Microstructure and Properties of Cast-Fabricated and 3D-Printed Laser-Sintered Co–Cr Alloys for Removable Partial Denture Frameworks" in Materials, 16, no. 8 (2023):3267,
https://doi.org/10.3390/ma16083267 . .

TY  - CONF
AU  - Ghulam Isaq Khan, Muhamad
AU  - Popović, Miljana
AU  - Radetić, Tamara
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7262
AB  - U završnoj fazi prerade Al-Mg legura, pojava abnormalnih zrna (AGG) u strukturi je
nepoželjna, jer dovodi do pogoršanja mehaničkih osobina. Medjutim, postoji veliki interes
za proučavanjem uticaja AGG, koja nastaju u toku medjužarenja, na razvoj mikrostrukture
i teksture tokom dalje prerade. Naime, odredjene teksturne komponente i tipovi granica
zrna imaju pozitivan uticaj na deformaciono i koroziono ponašanje.U ovom radu je opisan
efekat uslova medjužarenja i hemijskog sastava na mikrostrukturu Al-Mg legura. Uzorci,
izohrono žareni na temperaturama 350-550°C,ili tretirani na 520°C pri različitim
vremenima, su ispitivani optičkom mikroskopijom u polarizovanom svetlu. Utvrdjeno je
da je AGG ograničen na pojas u blizini ivice uzorka. Abnormalna zrna poseduju visok
stepen anizotropije, a inicijalno brz rast stagnira sa produžetkom žarenja. Uticaj hemijskog
sastava na pojavu AGG je ispitivan u slučaju četiri legure i rezultati su pokazali da niži
sadržaj legirajućih elemenata pospešuje AGG.
AB  - During final annealing of Al-Mg alloys, abnormal grain growth (AGG) is undesirableasit
deteriorates mechanical properties. However, there is interest to investigate how the
introduction of the AGG during intermediate annealing affects microstructure and texture
development upon further processing.It is known that certain texture components and grain
boundary types can affect formabilityand IGC susceptibility. In this study, the effect of
intermediate annealing conditions andchemical composition on the microstructure of of
Al-Mg alloysis reported. The specimens,annealed isochronally at temperatures of 350-
550°C or isothermally at 520°C for various times, were examined by optical microscopy in
polarized light. It is found that the AGG is confined to a band near the surface.There is
astrong anisotropy in grains shape and initially rapid grain growth stagnates with
furtherannealing. The influence of the chemical composition on the AGG was investigated
in four alloys and the results showed that the decrease in the alloying elementscontent
promoted AGG.
PB  - Beograd : Srpsko hemijsko društvo = Serbian Chemical Society
C3  - Kratki izvodi radova ; Knjiga radova / 58. savetovanje Srpskog hemijskog društva, Beograd, 9. i 10. jun 2022. godine = Book of Abstracts ; Proceedings = 58th meeting of the Serbian Chemical Society, Belgrade, June 9-10, 2022
T1  - Abnormalni rast zrna u toku medjužarenja u Al-Mg legurama
T1  - Abnormal grain growth during intermediate annealing of Al-Mg alloys
SP  - 103
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7262
ER  - 

@conference{
author = "Ghulam Isaq Khan, Muhamad and Popović, Miljana and Radetić, Tamara",
year = "2022",
abstract = "U završnoj fazi prerade Al-Mg legura, pojava abnormalnih zrna (AGG) u strukturi je
nepoželjna, jer dovodi do pogoršanja mehaničkih osobina. Medjutim, postoji veliki interes
za proučavanjem uticaja AGG, koja nastaju u toku medjužarenja, na razvoj mikrostrukture
i teksture tokom dalje prerade. Naime, odredjene teksturne komponente i tipovi granica
zrna imaju pozitivan uticaj na deformaciono i koroziono ponašanje.U ovom radu je opisan
efekat uslova medjužarenja i hemijskog sastava na mikrostrukturu Al-Mg legura. Uzorci,
izohrono žareni na temperaturama 350-550°C,ili tretirani na 520°C pri različitim
vremenima, su ispitivani optičkom mikroskopijom u polarizovanom svetlu. Utvrdjeno je
da je AGG ograničen na pojas u blizini ivice uzorka. Abnormalna zrna poseduju visok
stepen anizotropije, a inicijalno brz rast stagnira sa produžetkom žarenja. Uticaj hemijskog
sastava na pojavu AGG je ispitivan u slučaju četiri legure i rezultati su pokazali da niži
sadržaj legirajućih elemenata pospešuje AGG., During final annealing of Al-Mg alloys, abnormal grain growth (AGG) is undesirableasit
deteriorates mechanical properties. However, there is interest to investigate how the
introduction of the AGG during intermediate annealing affects microstructure and texture
development upon further processing.It is known that certain texture components and grain
boundary types can affect formabilityand IGC susceptibility. In this study, the effect of
intermediate annealing conditions andchemical composition on the microstructure of of
Al-Mg alloysis reported. The specimens,annealed isochronally at temperatures of 350-
550°C or isothermally at 520°C for various times, were examined by optical microscopy in
polarized light. It is found that the AGG is confined to a band near the surface.There is
astrong anisotropy in grains shape and initially rapid grain growth stagnates with
furtherannealing. The influence of the chemical composition on the AGG was investigated
in four alloys and the results showed that the decrease in the alloying elementscontent
promoted AGG.",
publisher = "Beograd : Srpsko hemijsko društvo = Serbian Chemical Society",
journal = "Kratki izvodi radova ; Knjiga radova / 58. savetovanje Srpskog hemijskog društva, Beograd, 9. i 10. jun 2022. godine = Book of Abstracts ; Proceedings = 58th meeting of the Serbian Chemical Society, Belgrade, June 9-10, 2022",
title = "Abnormalni rast zrna u toku medjužarenja u Al-Mg legurama, Abnormal grain growth during intermediate annealing of Al-Mg alloys",
pages = "103",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7262"
}

Ghulam Isaq Khan, M., Popović, M.,& Radetić, T.. (2022). Abnormalni rast zrna u toku medjužarenja u Al-Mg legurama. in Kratki izvodi radova ; Knjiga radova / 58. savetovanje Srpskog hemijskog društva, Beograd, 9. i 10. jun 2022. godine = Book of Abstracts ; Proceedings = 58th meeting of the Serbian Chemical Society, Belgrade, June 9-10, 2022
Beograd : Srpsko hemijsko društvo = Serbian Chemical Society., 103.
https://hdl.handle.net/21.15107/rcub_technorep_7262

Ghulam Isaq Khan M, Popović M, Radetić T. Abnormalni rast zrna u toku medjužarenja u Al-Mg legurama. in Kratki izvodi radova ; Knjiga radova / 58. savetovanje Srpskog hemijskog društva, Beograd, 9. i 10. jun 2022. godine = Book of Abstracts ; Proceedings = 58th meeting of the Serbian Chemical Society, Belgrade, June 9-10, 2022. 2022;:103.
https://hdl.handle.net/21.15107/rcub_technorep_7262 .

Ghulam Isaq Khan, Muhamad, Popović, Miljana, Radetić, Tamara, "Abnormalni rast zrna u toku medjužarenja u Al-Mg legurama" in Kratki izvodi radova ; Knjiga radova / 58. savetovanje Srpskog hemijskog društva, Beograd, 9. i 10. jun 2022. godine = Book of Abstracts ; Proceedings = 58th meeting of the Serbian Chemical Society, Belgrade, June 9-10, 2022 (2022):103,
https://hdl.handle.net/21.15107/rcub_technorep_7262 .

TY  - JOUR
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Alil, Ana
AU  - Markoli, Boštjan
AU  - Naglič, Iztok
AU  - Romhanji, Endre
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5022
AB  - To evaluate the effect of homogenization conditions on the possible loss of low-melting-point Pb and Bi to the surface in the free-cutting AA6026 alloy, three homogenization regimes were applied: 480 degrees C/12 h, 530 degrees C/12 h, and 550 degrees C/6 h. The microstructural characterization by optical, scanning, and transmission electron microscopy coupled with EDS analysis, macroanalysis of chemical composition by ICP-AES as well tensile tests at room and 500 degrees C, and Charpy impact test were employed to evaluate the different homogenization regimes. It was found that the choice of homogenization temperature had no significant effect on the level of loss of low-melting point elements. The optimal homogenization regime appeared to be 550 degrees C/ 6 h as it led to almost complete beta-AlFeSi -> alpha-AlFe(Mn)Si transformation and beta-Mg2Si dissolution resulting in improved mechanical properties. The presence of the liquid phase did not lead to catastrophic failure due to the liquid metal embrittlement of the aluminum matrix, but the wetting of Fe,Mn - bearing constituents by molten Pb led to decohesion of the constituents. The morphological change to globular alpha-AlFe(Mn)Si decreased the surface area and interconnectivity of the microconstituents, which improved the hot ductility. During cooling after homogenization at T > 500 degrees C, the Q-phase precipitated, pointing up the potential quench sensitivity of the alloy. However, precipitation of the Q-phase laths in dispersoid-free zones reduced strain localization and improved room temperature ductility and impact toughness.
PB  - Elsevier Ltd.
T2  - Journal of Alloys and Compounds
T1  - Effect of homogenization temperature on microstructure and mechanical properties of Al-Mg-Si alloy containing low-melting point elements
SP  - 163719
VL  - 902
DO  - 10.1016/j.jallcom.2022.163719
ER  - 

@article{
author = "Radetić, Tamara and Popović, Miljana and Alil, Ana and Markoli, Boštjan and Naglič, Iztok and Romhanji, Endre",
year = "2022",
abstract = "To evaluate the effect of homogenization conditions on the possible loss of low-melting-point Pb and Bi to the surface in the free-cutting AA6026 alloy, three homogenization regimes were applied: 480 degrees C/12 h, 530 degrees C/12 h, and 550 degrees C/6 h. The microstructural characterization by optical, scanning, and transmission electron microscopy coupled with EDS analysis, macroanalysis of chemical composition by ICP-AES as well tensile tests at room and 500 degrees C, and Charpy impact test were employed to evaluate the different homogenization regimes. It was found that the choice of homogenization temperature had no significant effect on the level of loss of low-melting point elements. The optimal homogenization regime appeared to be 550 degrees C/ 6 h as it led to almost complete beta-AlFeSi -> alpha-AlFe(Mn)Si transformation and beta-Mg2Si dissolution resulting in improved mechanical properties. The presence of the liquid phase did not lead to catastrophic failure due to the liquid metal embrittlement of the aluminum matrix, but the wetting of Fe,Mn - bearing constituents by molten Pb led to decohesion of the constituents. The morphological change to globular alpha-AlFe(Mn)Si decreased the surface area and interconnectivity of the microconstituents, which improved the hot ductility. During cooling after homogenization at T > 500 degrees C, the Q-phase precipitated, pointing up the potential quench sensitivity of the alloy. However, precipitation of the Q-phase laths in dispersoid-free zones reduced strain localization and improved room temperature ductility and impact toughness.",
publisher = "Elsevier Ltd.",
journal = "Journal of Alloys and Compounds",
title = "Effect of homogenization temperature on microstructure and mechanical properties of Al-Mg-Si alloy containing low-melting point elements",
pages = "163719",
volume = "902",
doi = "10.1016/j.jallcom.2022.163719"
}

Radetić, T., Popović, M., Alil, A., Markoli, B., Naglič, I.,& Romhanji, E.. (2022). Effect of homogenization temperature on microstructure and mechanical properties of Al-Mg-Si alloy containing low-melting point elements. in Journal of Alloys and Compounds
Elsevier Ltd.., 902, 163719.
https://doi.org/10.1016/j.jallcom.2022.163719

Radetić T, Popović M, Alil A, Markoli B, Naglič I, Romhanji E. Effect of homogenization temperature on microstructure and mechanical properties of Al-Mg-Si alloy containing low-melting point elements. in Journal of Alloys and Compounds. 2022;902:163719.
doi:10.1016/j.jallcom.2022.163719 .

Radetić, Tamara, Popović, Miljana, Alil, Ana, Markoli, Boštjan, Naglič, Iztok, Romhanji, Endre, "Effect of homogenization temperature on microstructure and mechanical properties of Al-Mg-Si alloy containing low-melting point elements" in Journal of Alloys and Compounds, 902 (2022):163719,
https://doi.org/10.1016/j.jallcom.2022.163719 . .

Romhanji, E., Radetić, T., Popović, M., Filipović, M., Marinković, J.,& Cvetanović, B.. (2021). Tehnologija presovanja АА6026 legure. 
Tehnološko metalurški fakultet, Univerzitet u Beogradu..
https://hdl.handle.net/21.15107/rcub_technorep_7263

Romhanji E, Radetić T, Popović M, Filipović M, Marinković J, Cvetanović B. Tehnologija presovanja АА6026 legure. 2021;.
https://hdl.handle.net/21.15107/rcub_technorep_7263 .

Romhanji, Endre, Radetić, Tamara, Popović, Miljana, Filipović, Mirjana, Marinković, Jelena, Cvetanović, Bratislav, "Tehnologija presovanja АА6026 legure" (2021),
https://hdl.handle.net/21.15107/rcub_technorep_7263 .

Romhanji, E., Popović, M., Radetić, T., Filipović, M., Alil, A., Bulatović, B.,& Filipović, D.. (2020). Tehnološki režim proizvodnje specijalnog kvalieta EN AW 5182 Al-Mg legure sa poboljšanim mehaničkim osobinama na nivou zahteva 5182 RTSG1. in Tehnološko-metalurški fakultet
Tehnološko-metalurški fakultet., 1-23.
https://hdl.handle.net/21.15107/rcub_technorep_6235

Romhanji E, Popović M, Radetić T, Filipović M, Alil A, Bulatović B, Filipović D. Tehnološki režim proizvodnje specijalnog kvalieta EN AW 5182 Al-Mg legure sa poboljšanim mehaničkim osobinama na nivou zahteva 5182 RTSG1. in Tehnološko-metalurški fakultet. 2020;:1-23.
https://hdl.handle.net/21.15107/rcub_technorep_6235 .

Romhanji, Endre, Popović, Miljana, Radetić, Tamara, Filipović, Mirjana, Alil, Ana, Bulatović, Budimir, Filipović, Dušica, "Tehnološki režim proizvodnje specijalnog kvalieta EN AW 5182 Al-Mg legure sa poboljšanim mehaničkim osobinama na nivou zahteva 5182 RTSG1" in Tehnološko-metalurški fakultet (2020):1-23,
https://hdl.handle.net/21.15107/rcub_technorep_6235 .

TY  - JOUR
AU  - Josić, Uros
AU  - Radović, Ivana
AU  - Juloski, Jelena
AU  - Beloica, Miloš
AU  - Popović, Miljana
AU  - Alil, Ana
AU  - Mandić, Jelena
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4516
AB  - Purpose: Immature teeth are characterized by short roots, thin root canal walls, and open apices, which makes them prone to fracture. The aim was to investigate whether fiber-post placement had an influence on the fracture resistance of endodontically treated immature teeth. Materials and Methods: To simulate immature teeth, the apical third of 20 intact mandibular premolars was resected. After the access cavity was prepared, root canals and apices were enlarged. A 4-mm apical barrier was placed using calcium-silicate based material (Biodentine, Septodont). The teeth were then randomly assigned to two groups (n = 10). Root canals in group 1 were sealed using Acroseal (Septodont, France) and gutta-percha, followed by composite resin for the coronal restoration (Evetric, Ivoclar Vivadent). In group 2, fiber posts (FRC Postec Plus, Ivoclar Vivadent) were luted using self-adhesive composite cement (SpeedCEM Plus, Ivoclar Vivadent), followed by the same coronal restoration. The teeth were then subjected to fatigue and static load testing. Results: The average loads (+/- SD) that led to tooth fracture were: 401.40 +/- 296.83 N in group 1 and 636.20 +/- 204.95 N in group 2. Unfavorable fractures were noted in 9 specimens from group 1 and in 7 specimens in group 2. No statistically significant difference in fracture resistance or fracture mode was found between the groups. Conclusion: Fiber-post placement had no significant influence on the fracture resistance of endodontically treated immature teeth.
PB  - Quintessence Publishing Co Inc, Hanover Park
T2  - Journal of Adhesive Dentistry
T1  - Can Fiber-post Placement Reinforce Structurally Compromised Roots?
EP  - 414
IS  - 4
SP  - 409
VL  - 22
DO  - 10.3290/j.jad.a44872
ER  - 

@article{
author = "Josić, Uros and Radović, Ivana and Juloski, Jelena and Beloica, Miloš and Popović, Miljana and Alil, Ana and Mandić, Jelena",
year = "2020",
abstract = "Purpose: Immature teeth are characterized by short roots, thin root canal walls, and open apices, which makes them prone to fracture. The aim was to investigate whether fiber-post placement had an influence on the fracture resistance of endodontically treated immature teeth. Materials and Methods: To simulate immature teeth, the apical third of 20 intact mandibular premolars was resected. After the access cavity was prepared, root canals and apices were enlarged. A 4-mm apical barrier was placed using calcium-silicate based material (Biodentine, Septodont). The teeth were then randomly assigned to two groups (n = 10). Root canals in group 1 were sealed using Acroseal (Septodont, France) and gutta-percha, followed by composite resin for the coronal restoration (Evetric, Ivoclar Vivadent). In group 2, fiber posts (FRC Postec Plus, Ivoclar Vivadent) were luted using self-adhesive composite cement (SpeedCEM Plus, Ivoclar Vivadent), followed by the same coronal restoration. The teeth were then subjected to fatigue and static load testing. Results: The average loads (+/- SD) that led to tooth fracture were: 401.40 +/- 296.83 N in group 1 and 636.20 +/- 204.95 N in group 2. Unfavorable fractures were noted in 9 specimens from group 1 and in 7 specimens in group 2. No statistically significant difference in fracture resistance or fracture mode was found between the groups. Conclusion: Fiber-post placement had no significant influence on the fracture resistance of endodontically treated immature teeth.",
publisher = "Quintessence Publishing Co Inc, Hanover Park",
journal = "Journal of Adhesive Dentistry",
title = "Can Fiber-post Placement Reinforce Structurally Compromised Roots?",
pages = "414-409",
number = "4",
volume = "22",
doi = "10.3290/j.jad.a44872"
}

Josić, U., Radović, I., Juloski, J., Beloica, M., Popović, M., Alil, A.,& Mandić, J.. (2020). Can Fiber-post Placement Reinforce Structurally Compromised Roots?. in Journal of Adhesive Dentistry
Quintessence Publishing Co Inc, Hanover Park., 22(4), 409-414.
https://doi.org/10.3290/j.jad.a44872

Josić U, Radović I, Juloski J, Beloica M, Popović M, Alil A, Mandić J. Can Fiber-post Placement Reinforce Structurally Compromised Roots?. in Journal of Adhesive Dentistry. 2020;22(4):409-414.
doi:10.3290/j.jad.a44872 .

Josić, Uros, Radović, Ivana, Juloski, Jelena, Beloica, Miloš, Popović, Miljana, Alil, Ana, Mandić, Jelena, "Can Fiber-post Placement Reinforce Structurally Compromised Roots?" in Journal of Adhesive Dentistry, 22, no. 4 (2020):409-414,
https://doi.org/10.3290/j.jad.a44872 . .

TY  - JOUR
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Romhanji, Endre
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4535
AB  - The propensity of an alloy toward an abnormal grain growth (AGG) severely limits the annealing temperature range, capability for hot forming, and deteriorates mechanical properties. In this work, the results of a study of the effect of thermo-mechanical processing (TMP) of Al-Mg alloy AA5182 on the AGG are reported. TMP included cold rolling with a reduction range of 40-85 % followed by isochronal annealing (1 h) in a temperature range of 350-520 degrees C or isothermal treatment at 480 degrees C for different periods of time. The microstructure was characterized using optical microscopy in polarized light and an FEG SEM. The results showed that an increase in the degree of reduction lowers the annealing temperature for the onset of the AGG, while an increase in the annealing temperature increases the extent of the AGG for a given cold reduction. The abnormal grains tended to form in the region close to the surface of the plates, and with extended annealing bands. develope parallel to the surfaces in the rolling direction. However, no appreciable grain growth occurred in the plate center. The AGG and grain-boundary mobility showed a strong anisotropy with a much faster lateral growth than the motion of the growth front normal to the plate surface. Such anisotropy was attributed to the rod-like shape and alignment of Al6Mn dispersoids through Zener pinning.
PB  - Inst Za Kovinske Materiale I In Tehnologie, Ljubjana
T2  - Materiali in Tehnologije
T1  - Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy
EP  - 90
IS  - 1
SP  - 85
VL  - 54
DO  - 10.17222/mit.2019.134
ER  - 

@article{
author = "Radetić, Tamara and Popović, Miljana and Romhanji, Endre",
year = "2020",
abstract = "The propensity of an alloy toward an abnormal grain growth (AGG) severely limits the annealing temperature range, capability for hot forming, and deteriorates mechanical properties. In this work, the results of a study of the effect of thermo-mechanical processing (TMP) of Al-Mg alloy AA5182 on the AGG are reported. TMP included cold rolling with a reduction range of 40-85 % followed by isochronal annealing (1 h) in a temperature range of 350-520 degrees C or isothermal treatment at 480 degrees C for different periods of time. The microstructure was characterized using optical microscopy in polarized light and an FEG SEM. The results showed that an increase in the degree of reduction lowers the annealing temperature for the onset of the AGG, while an increase in the annealing temperature increases the extent of the AGG for a given cold reduction. The abnormal grains tended to form in the region close to the surface of the plates, and with extended annealing bands. develope parallel to the surfaces in the rolling direction. However, no appreciable grain growth occurred in the plate center. The AGG and grain-boundary mobility showed a strong anisotropy with a much faster lateral growth than the motion of the growth front normal to the plate surface. Such anisotropy was attributed to the rod-like shape and alignment of Al6Mn dispersoids through Zener pinning.",
publisher = "Inst Za Kovinske Materiale I In Tehnologie, Ljubjana",
journal = "Materiali in Tehnologije",
title = "Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy",
pages = "90-85",
number = "1",
volume = "54",
doi = "10.17222/mit.2019.134"
}

Radetić, T., Popović, M.,& Romhanji, E.. (2020). Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy. in Materiali in Tehnologije
Inst Za Kovinske Materiale I In Tehnologie, Ljubjana., 54(1), 85-90.
https://doi.org/10.17222/mit.2019.134

Radetić T, Popović M, Romhanji E. Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy. in Materiali in Tehnologije. 2020;54(1):85-90.
doi:10.17222/mit.2019.134 .

Radetić, Tamara, Popović, Miljana, Romhanji, Endre, "Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy" in Materiali in Tehnologije, 54, no. 1 (2020):85-90,
https://doi.org/10.17222/mit.2019.134 . .

TY  - JOUR
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Gligorijević, Bojan
AU  - Alil, Ana
AU  - Romhanji, Endre
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4047
AB  - The occurrence of abnormal grain growth (AGG) in AA5182 alloy during annealing imposes severe restrictions on processing parameters and deteriorates mechanical properties. In this work, we investigated the effect of chemical composition on the appearance of abnormal grain growth by varying Mg and Mn content in the range of composition limits for standard AA5182 alloy, 4.0-5.0% Mg, and 0.2-0.5% Mn, respectively. Thermo-mechanical processing of alloys included cold rolling with reductions ranging from 40 to 85%, followed by annealing in the temperature range from 350 to 520 degrees C. The results showed that the rise in alloying elements content drives the onset of abnormal grain growth toward higher temperatures. The increase in the cold rolling reduction degree promotes abnormal grain growth and lowers its onset temperature. Abnormal grain growth and grain boundary mobility showed strong anisotropy related to rod-like shape and alignment of Al6Mn(Fe) dispersoids through Zener pinning.
PB  - Savez inženjera metalurgije Srbije, Beograd
T2  - Metallurgical & Materials Engineering
T1  - The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys
EP  - 323
IS  - 4
SP  - 315
VL  - 25
DO  - 10.30544/463
ER  - 

@article{
author = "Radetić, Tamara and Popović, Miljana and Gligorijević, Bojan and Alil, Ana and Romhanji, Endre",
year = "2019",
abstract = "The occurrence of abnormal grain growth (AGG) in AA5182 alloy during annealing imposes severe restrictions on processing parameters and deteriorates mechanical properties. In this work, we investigated the effect of chemical composition on the appearance of abnormal grain growth by varying Mg and Mn content in the range of composition limits for standard AA5182 alloy, 4.0-5.0% Mg, and 0.2-0.5% Mn, respectively. Thermo-mechanical processing of alloys included cold rolling with reductions ranging from 40 to 85%, followed by annealing in the temperature range from 350 to 520 degrees C. The results showed that the rise in alloying elements content drives the onset of abnormal grain growth toward higher temperatures. The increase in the cold rolling reduction degree promotes abnormal grain growth and lowers its onset temperature. Abnormal grain growth and grain boundary mobility showed strong anisotropy related to rod-like shape and alignment of Al6Mn(Fe) dispersoids through Zener pinning.",
publisher = "Savez inženjera metalurgije Srbije, Beograd",
journal = "Metallurgical & Materials Engineering",
title = "The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys",
pages = "323-315",
number = "4",
volume = "25",
doi = "10.30544/463"
}

Radetić, T., Popović, M., Gligorijević, B., Alil, A.,& Romhanji, E.. (2019). The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys. in Metallurgical & Materials Engineering
Savez inženjera metalurgije Srbije, Beograd., 25(4), 315-323.
https://doi.org/10.30544/463

Radetić T, Popović M, Gligorijević B, Alil A, Romhanji E. The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys. in Metallurgical & Materials Engineering. 2019;25(4):315-323.
doi:10.30544/463 .

Radetić, Tamara, Popović, Miljana, Gligorijević, Bojan, Alil, Ana, Romhanji, Endre, "The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys" in Metallurgical & Materials Engineering, 25, no. 4 (2019):315-323,
https://doi.org/10.30544/463 . .

TY  - CONF
AU  - Radetić, Tamara
AU  - Gligorijević, Bojan
AU  - Filipović, Mirjana
AU  - Popović, Miljana
AU  - Romhanji, Endre
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7297
AB  - The subject of this study has been an investigation of the homogenization temperature 
effect on the microstructure of Al-Mg-Si alloy containing low-melting point Pb and Bi 
elements. The results of the characterization show that homogenization at temperatures 
lower than 500 °C requires extraordinary long in order to initiate ß-AlFeSi -> α-AlFe(Mn)Si 
transformation, necessary for good extrdability of the alloy ransformation, necessary for 
good extrudability of the alloy. In addition, precipitation of ß-Mg2Si phase takes place, 
decreasing the alloy's aging potential during the further processing. High-temperature 
homogenization not only results in complete ß-AlFeSi -> α-AlFe(Mn)Si transformation and 
dissolution of ß-Mg2Si phase but expected Pb and Bi escape to the specimen surface does 
not occur.
AB  - Predmet ovog rada je bilo ispitivanje i karakterizacija uslova homogenizacionog žarenja na 
mikrostruktu Al-Mg-Si legure legirane nisko-topivim metalima Pb i Bi. Rezultati pokazuju da 
homogenizacija na temperaturama nižim od 500 °C zahteva izuzetno duga vremena žarenja 
da bi došlo do ß-AlFeSi -> α-AlFe(Mn)Si transformacije, neophodne za sposobnost legure za 
presovanje. Dodatno, dolazi do izdvajanja ß-Mg2Si faze, čime se smanjuje sposobnost legure 
za starenje u daljoj preradi. Visoko-temperaturna homogenizacija ne samo da rezultuje u 
potpunoj ß-AlFeSi -> α-AlFe(Mn)Si transformaciji i rastvaranju ß-Mg2Si faze, već i ne dolazi 
do očekivanog gubitka Pb i Bi usled izdvajanja na površini uzoraka.
PB  - Beograd : Serbian Chemical Society
C3  - Proceedings / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018
T1  - Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements
T1  - Efekat homogenizacije na mikrostrukturu Al-Mg-Si legure koja sadrži nisko-topive elemente
EP  - 94
SP  - 89
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7297
ER  - 

@conference{
author = "Radetić, Tamara and Gligorijević, Bojan and Filipović, Mirjana and Popović, Miljana and Romhanji, Endre",
year = "2018",
abstract = "The subject of this study has been an investigation of the homogenization temperature 
effect on the microstructure of Al-Mg-Si alloy containing low-melting point Pb and Bi 
elements. The results of the characterization show that homogenization at temperatures 
lower than 500 °C requires extraordinary long in order to initiate ß-AlFeSi -> α-AlFe(Mn)Si 
transformation, necessary for good extrdability of the alloy ransformation, necessary for 
good extrudability of the alloy. In addition, precipitation of ß-Mg2Si phase takes place, 
decreasing the alloy's aging potential during the further processing. High-temperature 
homogenization not only results in complete ß-AlFeSi -> α-AlFe(Mn)Si transformation and 
dissolution of ß-Mg2Si phase but expected Pb and Bi escape to the specimen surface does 
not occur., Predmet ovog rada je bilo ispitivanje i karakterizacija uslova homogenizacionog žarenja na 
mikrostruktu Al-Mg-Si legure legirane nisko-topivim metalima Pb i Bi. Rezultati pokazuju da 
homogenizacija na temperaturama nižim od 500 °C zahteva izuzetno duga vremena žarenja 
da bi došlo do ß-AlFeSi -> α-AlFe(Mn)Si transformacije, neophodne za sposobnost legure za 
presovanje. Dodatno, dolazi do izdvajanja ß-Mg2Si faze, čime se smanjuje sposobnost legure 
za starenje u daljoj preradi. Visoko-temperaturna homogenizacija ne samo da rezultuje u 
potpunoj ß-AlFeSi -> α-AlFe(Mn)Si transformaciji i rastvaranju ß-Mg2Si faze, već i ne dolazi 
do očekivanog gubitka Pb i Bi usled izdvajanja na površini uzoraka.",
publisher = "Beograd : Serbian Chemical Society",
journal = "Proceedings / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018",
title = "Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements, Efekat homogenizacije na mikrostrukturu Al-Mg-Si legure koja sadrži nisko-topive elemente",
pages = "94-89",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7297"
}

Radetić, T., Gligorijević, B., Filipović, M., Popović, M.,& Romhanji, E.. (2018). Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements. in Proceedings / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018
Beograd : Serbian Chemical Society., 89-94.
https://hdl.handle.net/21.15107/rcub_technorep_7297

Radetić T, Gligorijević B, Filipović M, Popović M, Romhanji E. Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements. in Proceedings / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018. 2018;:89-94.
https://hdl.handle.net/21.15107/rcub_technorep_7297 .

Radetić, Tamara, Gligorijević, Bojan, Filipović, Mirjana, Popović, Miljana, Romhanji, Endre, "Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements" in Proceedings / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018 (2018):89-94,
https://hdl.handle.net/21.15107/rcub_technorep_7297 .

TY  - CONF
AU  - Radetić, Tamara
AU  - Gligorijević, Bojan
AU  - Filipović, Mirjana
AU  - Popović, Miljana
AU  - Romhanji, Endre
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7298
AB  - The subject of this study has been an investigation of the homogenization temperature 
effect on the microstructure of Al-Mg-Si alloy containing low-melting point Pb and Bi 
elements. The results of the characterization show that homogenization at temperatures 
lower than 500 °C requires extraordinary long in order to initiate ß-AlFeSi -> α-AlFe(Mn)Si 
transformation, necessary for good extrdability of the alloy ransformation, necessary for 
good extrudability of the alloy. In addition, precipitation of ß-Mg2Si phase takes place, 
decreasing the alloy's aging potential during the further processing. High-temperature 
homogenization not only results in complete ß-AlFeSi -> α-AlFe(Mn)Si transformation and 
dissolution of ß-Mg2Si phase but expected Pb and Bi escape to the specimen surface does 
not occur.
AB  - Predmet ovog rada je bilo ispitivanje i karakterizacija uslova homogenizacionog žarenja na 
mikrostruktu Al-Mg-Si legure legirane nisko-topivim metalima Pb i Bi. Rezultati pokazuju da 
homogenizacija na temperaturama nižim od 500 °C zahteva izuzetno duga vremena žarenja 
da bi došlo do ß-AlFeSi -> α-AlFe(Mn)Si transformacije, neophodne za sposobnost legure za 
presovanje. Dodatno, dolazi do izdvajanja ß-Mg2Si faze, čime se smanjuje sposobnost legure 
za starenje u daljoj preradi. Visoko-temperaturna homogenizacija ne samo da rezultuje u 
potpunoj ß-AlFeSi -> α-AlFe(Mn)Si transformaciji i rastvaranju ß-Mg2Si faze, već i ne dolazi 
do očekivanog gubitka Pb i Bi usled izdvajanja na površini uzoraka.
PB  - Beograd : Serbian Chemical Society
C3  - Book of Abstracts / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018
T1  - Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements
T1  - Effekat homogenizacije na mikrostrukturu Al-Mg-Si legure koja sadrži niskotopive elemente
SP  - 37
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7298
ER  - 

@conference{
author = "Radetić, Tamara and Gligorijević, Bojan and Filipović, Mirjana and Popović, Miljana and Romhanji, Endre",
year = "2018",
abstract = "The subject of this study has been an investigation of the homogenization temperature 
effect on the microstructure of Al-Mg-Si alloy containing low-melting point Pb and Bi 
elements. The results of the characterization show that homogenization at temperatures 
lower than 500 °C requires extraordinary long in order to initiate ß-AlFeSi -> α-AlFe(Mn)Si 
transformation, necessary for good extrdability of the alloy ransformation, necessary for 
good extrudability of the alloy. In addition, precipitation of ß-Mg2Si phase takes place, 
decreasing the alloy's aging potential during the further processing. High-temperature 
homogenization not only results in complete ß-AlFeSi -> α-AlFe(Mn)Si transformation and 
dissolution of ß-Mg2Si phase but expected Pb and Bi escape to the specimen surface does 
not occur., Predmet ovog rada je bilo ispitivanje i karakterizacija uslova homogenizacionog žarenja na 
mikrostruktu Al-Mg-Si legure legirane nisko-topivim metalima Pb i Bi. Rezultati pokazuju da 
homogenizacija na temperaturama nižim od 500 °C zahteva izuzetno duga vremena žarenja 
da bi došlo do ß-AlFeSi -> α-AlFe(Mn)Si transformacije, neophodne za sposobnost legure za 
presovanje. Dodatno, dolazi do izdvajanja ß-Mg2Si faze, čime se smanjuje sposobnost legure 
za starenje u daljoj preradi. Visoko-temperaturna homogenizacija ne samo da rezultuje u 
potpunoj ß-AlFeSi -> α-AlFe(Mn)Si transformaciji i rastvaranju ß-Mg2Si faze, već i ne dolazi 
do očekivanog gubitka Pb i Bi usled izdvajanja na površini uzoraka.",
publisher = "Beograd : Serbian Chemical Society",
journal = "Book of Abstracts / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018",
title = "Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements, Effekat homogenizacije na mikrostrukturu Al-Mg-Si legure koja sadrži niskotopive elemente",
pages = "37",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7298"
}

Radetić, T., Gligorijević, B., Filipović, M., Popović, M.,& Romhanji, E.. (2018). Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements. in Book of Abstracts / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018
Beograd : Serbian Chemical Society., 37.
https://hdl.handle.net/21.15107/rcub_technorep_7298

Radetić T, Gligorijević B, Filipović M, Popović M, Romhanji E. Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements. in Book of Abstracts / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018. 2018;:37.
https://hdl.handle.net/21.15107/rcub_technorep_7298 .

Radetić, Tamara, Gligorijević, Bojan, Filipović, Mirjana, Popović, Miljana, Romhanji, Endre, "Homogenization effect on microstructure Al-Mg-Si alloy containing low-melting point elements" in Book of Abstracts / 55th meeting of the Serbian chemical society, Novi Sad, Serbia, June 8-9, 2018 (2018):37,
https://hdl.handle.net/21.15107/rcub_technorep_7298 .

TY  - CONF
AU  - Alil, Ana B.
AU  - Popović, Miljana
AU  - Radetić, Tamara
AU  - Bajat, Jelena
AU  - Romhanji, Endre
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6206
AB  - Ispitivan je uticaj stepena i načina deformacije na korozionu stabilnost legure AA5083 koja
je procesirana konvencionalnim valjanjem (CR) i akumulativnim spajanjem valjanjem (ARB).
Koroziona stabilnost je praćena standardnim elektrohemijskim metodama,
spektroskopijom elektrohemijske impedancije (EIS) i polarizacionim merenjima. Utvrđeno
je da je gustina struje korozije (jcorr) manja za najmanje jedan red veličine kod ARB višeslojnih
uzoraka. Veći stepen deformacije indukovao je bolju korozionu stabilnost CR jednoslojnih,
kao i ARB višeslojnih uzoraka. Rezultati pokazuju da je ukupna impedancija ARB višeslojnih
uzoraka više nego udvostručena u odnosu na CR jednoslojne uzorke kao rezultat višeslojne
strukture i prisustva oksidacionog filma između slojeva. Značajno veći polukrugovi na
Nyquist-ovim dijagramima za ARB uzorke ukazuju na povećanu korozionu stabilnost, koja
raste sa porastom stepena deformacije. Eksperimentalni rezultati pokazuju da način i
stepen deformacije imaju veliki uticaj na korozionu stabilnost AA5083 legure.
AB  - The influence of the degree of deformation and applied processing route on the corrosion
stability of AA5083 alloy sheets processed by conventional rolling (CR) and accumulative roll
bonding (ARB) has been studied. The corrosion stability was evaluated by standard
electrochemical methods, electrochemical impedance spectroscopy (EIS) and
potentiodynamic measurements. It was found that the corrosion current density (jcorr) is
smaller for at least one order of magnitude for ARB multilayer samples. Higher degree of
plastic deformation induced better corrosion stability, for both CR monolayer and ARB
multilayer samples. Results showed that the overall impedance value of ARB samples was
more than doubled compared to the CR samples as a result of the multilayered structure
and the presence of oxidation film between the layers. Significantly larger semicircles in
Nyquist plots for ARB samples indicate increase of corrosion stability, with increasing the
number of ARB cycles. Experimental results showed that applied processing route and the
degree of deformation have a major impact on the corrosion stability of the AA5083 alloy.
PB  - Beograd : Srpsko hemijsko društvo
C3  - Kratki izvodi radova / 55. savetovanje Srpskog hemijskog društva, Novi Sad 8. i 9. juni 2018
T1  - Uticaj akumulativnog spajanja valjanjem (ARB) i konvencionalnog valjanja (CR) na korozionu stabilnost AA5083 legure
T1  - Influence of accumulative roll bonding (ARB) and conventional cold rolling (CR) on the corrosion stability of AA5083 alloy sheets
SP  - 38
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6206
ER  - 

@conference{
author = "Alil, Ana B. and Popović, Miljana and Radetić, Tamara and Bajat, Jelena and Romhanji, Endre",
year = "2018",
abstract = "Ispitivan je uticaj stepena i načina deformacije na korozionu stabilnost legure AA5083 koja
je procesirana konvencionalnim valjanjem (CR) i akumulativnim spajanjem valjanjem (ARB).
Koroziona stabilnost je praćena standardnim elektrohemijskim metodama,
spektroskopijom elektrohemijske impedancije (EIS) i polarizacionim merenjima. Utvrđeno
je da je gustina struje korozije (jcorr) manja za najmanje jedan red veličine kod ARB višeslojnih
uzoraka. Veći stepen deformacije indukovao je bolju korozionu stabilnost CR jednoslojnih,
kao i ARB višeslojnih uzoraka. Rezultati pokazuju da je ukupna impedancija ARB višeslojnih
uzoraka više nego udvostručena u odnosu na CR jednoslojne uzorke kao rezultat višeslojne
strukture i prisustva oksidacionog filma između slojeva. Značajno veći polukrugovi na
Nyquist-ovim dijagramima za ARB uzorke ukazuju na povećanu korozionu stabilnost, koja
raste sa porastom stepena deformacije. Eksperimentalni rezultati pokazuju da način i
stepen deformacije imaju veliki uticaj na korozionu stabilnost AA5083 legure., The influence of the degree of deformation and applied processing route on the corrosion
stability of AA5083 alloy sheets processed by conventional rolling (CR) and accumulative roll
bonding (ARB) has been studied. The corrosion stability was evaluated by standard
electrochemical methods, electrochemical impedance spectroscopy (EIS) and
potentiodynamic measurements. It was found that the corrosion current density (jcorr) is
smaller for at least one order of magnitude for ARB multilayer samples. Higher degree of
plastic deformation induced better corrosion stability, for both CR monolayer and ARB
multilayer samples. Results showed that the overall impedance value of ARB samples was
more than doubled compared to the CR samples as a result of the multilayered structure
and the presence of oxidation film between the layers. Significantly larger semicircles in
Nyquist plots for ARB samples indicate increase of corrosion stability, with increasing the
number of ARB cycles. Experimental results showed that applied processing route and the
degree of deformation have a major impact on the corrosion stability of the AA5083 alloy.",
publisher = "Beograd : Srpsko hemijsko društvo",
journal = "Kratki izvodi radova / 55. savetovanje Srpskog hemijskog društva, Novi Sad 8. i 9. juni 2018",
title = "Uticaj akumulativnog spajanja valjanjem (ARB) i konvencionalnog valjanja (CR) na korozionu stabilnost AA5083 legure, Influence of accumulative roll bonding (ARB) and conventional cold rolling (CR) on the corrosion stability of AA5083 alloy sheets",
pages = "38",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6206"
}

Alil, A. B., Popović, M., Radetić, T., Bajat, J.,& Romhanji, E.. (2018). Uticaj akumulativnog spajanja valjanjem (ARB) i konvencionalnog valjanja (CR) na korozionu stabilnost AA5083 legure. in Kratki izvodi radova / 55. savetovanje Srpskog hemijskog društva, Novi Sad 8. i 9. juni 2018
Beograd : Srpsko hemijsko društvo., 38.
https://hdl.handle.net/21.15107/rcub_technorep_6206

Alil AB, Popović M, Radetić T, Bajat J, Romhanji E. Uticaj akumulativnog spajanja valjanjem (ARB) i konvencionalnog valjanja (CR) na korozionu stabilnost AA5083 legure. in Kratki izvodi radova / 55. savetovanje Srpskog hemijskog društva, Novi Sad 8. i 9. juni 2018. 2018;:38.
https://hdl.handle.net/21.15107/rcub_technorep_6206 .

Alil, Ana B., Popović, Miljana, Radetić, Tamara, Bajat, Jelena, Romhanji, Endre, "Uticaj akumulativnog spajanja valjanjem (ARB) i konvencionalnog valjanja (CR) na korozionu stabilnost AA5083 legure" in Kratki izvodi radova / 55. savetovanje Srpskog hemijskog društva, Novi Sad 8. i 9. juni 2018 (2018):38,
https://hdl.handle.net/21.15107/rcub_technorep_6206 .

TY  - JOUR
AU  - Alil, Ana
AU  - Popović, Miljana
AU  - Bajat, Jelena
AU  - Romhanji, Endre
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3863
AB  - Influence of accumulative roll bonding (ARB) and conventional cold rolling (CR) on the mechanical and corrosion properties of AA5083 alloy sheets has been studied. Tensile tests showed significant increase in strength and a decrease in elongation after each ARB deformation and cold rolling reductions. Results of nitric acid mass loss test (NAMLT) revealed that cold rolled and ARB processed specimens were resistant toward intergranular corrosion (IGC) in as-deformed state. However, after 7 days of sensitization at 100 and 150 degrees C, cold rolled material became IGC sensitive, while ARB specimens stayed IGC resistant. IGC susceptibility can be correlated with different morphology and distribution of -phase (Mg2Al3) precipitated during sensitization. It was found that extensive shear banding contributed a favorable distribution of -phase precipitates in the structure of IGC resistant ARB processed specimens. In case of IGC susceptible conventionally cold rolled specimens, large amount of -phase precipitated preferentially along the elongated grain boundaries. Electrochemical parameters were in a good correlation with the results of NAML tests, which in turn, confirmed the superiority of ARB multilayered structure over conventional cold rolled structure in terms of IGC susceptibility and corrosion stability.
PB  - Wiley-VCH Verlag Gmbh, Weinheim
T2  - Materials and Corrosion-Werkstoffe Und Korrosion
T1  - Mechanical and corrosion properties of AA5083 alloy sheets produced by accumulative roll bonding (ARB) and conventional cold rolling (CR)
EP  - 869
IS  - 7
SP  - 858
VL  - 69
DO  - 10.1002/maco.201709915
ER  - 

@article{
author = "Alil, Ana and Popović, Miljana and Bajat, Jelena and Romhanji, Endre",
year = "2018",
abstract = "Influence of accumulative roll bonding (ARB) and conventional cold rolling (CR) on the mechanical and corrosion properties of AA5083 alloy sheets has been studied. Tensile tests showed significant increase in strength and a decrease in elongation after each ARB deformation and cold rolling reductions. Results of nitric acid mass loss test (NAMLT) revealed that cold rolled and ARB processed specimens were resistant toward intergranular corrosion (IGC) in as-deformed state. However, after 7 days of sensitization at 100 and 150 degrees C, cold rolled material became IGC sensitive, while ARB specimens stayed IGC resistant. IGC susceptibility can be correlated with different morphology and distribution of -phase (Mg2Al3) precipitated during sensitization. It was found that extensive shear banding contributed a favorable distribution of -phase precipitates in the structure of IGC resistant ARB processed specimens. In case of IGC susceptible conventionally cold rolled specimens, large amount of -phase precipitated preferentially along the elongated grain boundaries. Electrochemical parameters were in a good correlation with the results of NAML tests, which in turn, confirmed the superiority of ARB multilayered structure over conventional cold rolled structure in terms of IGC susceptibility and corrosion stability.",
publisher = "Wiley-VCH Verlag Gmbh, Weinheim",
journal = "Materials and Corrosion-Werkstoffe Und Korrosion",
title = "Mechanical and corrosion properties of AA5083 alloy sheets produced by accumulative roll bonding (ARB) and conventional cold rolling (CR)",
pages = "869-858",
number = "7",
volume = "69",
doi = "10.1002/maco.201709915"
}

Alil, A., Popović, M., Bajat, J.,& Romhanji, E.. (2018). Mechanical and corrosion properties of AA5083 alloy sheets produced by accumulative roll bonding (ARB) and conventional cold rolling (CR). in Materials and Corrosion-Werkstoffe Und Korrosion
Wiley-VCH Verlag Gmbh, Weinheim., 69(7), 858-869.
https://doi.org/10.1002/maco.201709915

Alil A, Popović M, Bajat J, Romhanji E. Mechanical and corrosion properties of AA5083 alloy sheets produced by accumulative roll bonding (ARB) and conventional cold rolling (CR). in Materials and Corrosion-Werkstoffe Und Korrosion. 2018;69(7):858-869.
doi:10.1002/maco.201709915 .

Alil, Ana, Popović, Miljana, Bajat, Jelena, Romhanji, Endre, "Mechanical and corrosion properties of AA5083 alloy sheets produced by accumulative roll bonding (ARB) and conventional cold rolling (CR)" in Materials and Corrosion-Werkstoffe Und Korrosion, 69, no. 7 (2018):858-869,
https://doi.org/10.1002/maco.201709915 . .

TY  - CONF
AU  - Alil, Ana
AU  - Popović, Miljana
AU  - Romhanji, Endre
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6197
AB  - The influence of alloying on the mechanical properties of AA5083 type Al-Mg
alloy sheets produced by accumulative roll bonding (ARB) process was studied.
Two investigated Al-Mg alloys: commercial AA5083 alloy with 4.2% Mg, and modified AA5083 alloy with 5.1% Mg and addition of 0.5% Zn, were supplied by ImpolSeval Aluminium Mill (Sevojno, Serbia) as hot rolled thick plates. Hot rolled plates
were further laboratory cold rolled up to 1 mm in thickness, and ARB processed at
room temperature with ~ 50% reduction per each ARB cycle. It was possible to
conduct up to maximum 6 ARB cycles for a commercial AA5083 alloy and 4 ARB
cycles for modified AA5083 alloy.
Hardness and tensile properties of ARB processed multilayered sheets were
significantly improved with Mg and Zn addition. In the initial annealed state, before
ARB processing, yield strength of the modified AA5083 alloy was only 15-20 MPa
higher than for a commercial AA5083 alloy. However, flow stress level and tensile
strength became higher for nearly 100 MPa after each ARB cycle for the modified
AA5083 alloy in comparison with standard AA5083 alloy. The elongation decrease
value was high after the first ARB cycle, while after subsequent passes it stayed
almost constant, and slightly improved with Mg and Zn addition. Resistivity level
was also affected by chemical composition of the tested alloys. Higher resistivity
level obtained for the modified AA5083 alloy was attributed to higher Mg content
and addition of Zn.
Despite the fact that addition of Mg and Zn limited the possibility of joining
through ARB processing, mechanical properties of the modified AA5083 alloy were
superior over a commercial AA5083 alloy.
PB  - Belgrade : Association of Metallurgical Engineers of Serbia (AMES)
C3  - Book of Abstracts / Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2017), June 1-3, 2017, Belgrade, Serbia
T1  - Mechanical properties of two Al-Mg alloys manufactured by accumulative roll bonding (ARB) process
SP  - 72
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6197
ER  - 

@conference{
author = "Alil, Ana and Popović, Miljana and Romhanji, Endre",
year = "2017",
abstract = "The influence of alloying on the mechanical properties of AA5083 type Al-Mg
alloy sheets produced by accumulative roll bonding (ARB) process was studied.
Two investigated Al-Mg alloys: commercial AA5083 alloy with 4.2% Mg, and modified AA5083 alloy with 5.1% Mg and addition of 0.5% Zn, were supplied by ImpolSeval Aluminium Mill (Sevojno, Serbia) as hot rolled thick plates. Hot rolled plates
were further laboratory cold rolled up to 1 mm in thickness, and ARB processed at
room temperature with ~ 50% reduction per each ARB cycle. It was possible to
conduct up to maximum 6 ARB cycles for a commercial AA5083 alloy and 4 ARB
cycles for modified AA5083 alloy.
Hardness and tensile properties of ARB processed multilayered sheets were
significantly improved with Mg and Zn addition. In the initial annealed state, before
ARB processing, yield strength of the modified AA5083 alloy was only 15-20 MPa
higher than for a commercial AA5083 alloy. However, flow stress level and tensile
strength became higher for nearly 100 MPa after each ARB cycle for the modified
AA5083 alloy in comparison with standard AA5083 alloy. The elongation decrease
value was high after the first ARB cycle, while after subsequent passes it stayed
almost constant, and slightly improved with Mg and Zn addition. Resistivity level
was also affected by chemical composition of the tested alloys. Higher resistivity
level obtained for the modified AA5083 alloy was attributed to higher Mg content
and addition of Zn.
Despite the fact that addition of Mg and Zn limited the possibility of joining
through ARB processing, mechanical properties of the modified AA5083 alloy were
superior over a commercial AA5083 alloy.",
publisher = "Belgrade : Association of Metallurgical Engineers of Serbia (AMES)",
journal = "Book of Abstracts / Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2017), June 1-3, 2017, Belgrade, Serbia",
title = "Mechanical properties of two Al-Mg alloys manufactured by accumulative roll bonding (ARB) process",
pages = "72",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6197"
}

Alil, A., Popović, M.,& Romhanji, E.. (2017). Mechanical properties of two Al-Mg alloys manufactured by accumulative roll bonding (ARB) process. in Book of Abstracts / Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2017), June 1-3, 2017, Belgrade, Serbia
Belgrade : Association of Metallurgical Engineers of Serbia (AMES)., 72.
https://hdl.handle.net/21.15107/rcub_technorep_6197

Alil A, Popović M, Romhanji E. Mechanical properties of two Al-Mg alloys manufactured by accumulative roll bonding (ARB) process. in Book of Abstracts / Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2017), June 1-3, 2017, Belgrade, Serbia. 2017;:72.
https://hdl.handle.net/21.15107/rcub_technorep_6197 .

Alil, Ana, Popović, Miljana, Romhanji, Endre, "Mechanical properties of two Al-Mg alloys manufactured by accumulative roll bonding (ARB) process" in Book of Abstracts / Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2017), June 1-3, 2017, Belgrade, Serbia (2017):72,
https://hdl.handle.net/21.15107/rcub_technorep_6197 .

TY  - JOUR
AU  - Romhanji, Endre
AU  - Radetić, Tamara
AU  - Popović, Miljana
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3365
AB  - High-strength Al-Mg alloys have a propensity toward hot fracture and failure by alligatoring during hot rolling. In this study the effect of homogenization conditions on the susceptibility of an Al-5.1Mg-0.7Mn alloy toward alligatoring was investigated. It was found that the plates homogenized in a temperature range of 460-520 degrees C were prone toward alligatoring, but once homogenized at 550 degrees C they were not prone toward it any longer. The characterization of the fracture showed a predominance of the intergranular ductile fracture, but the type of the constitutive particles filling the voids changed with the homogenization regime. Grain decohesion and grain-boundary embrittlement show that certain thermal treatments resulted in a microstructure that promoted slip localization.
PB  - Inst Za Kovinske Materiale I In Tehnologie, Ljubjana
T2  - Materiali in Tehnologije
T1  - Homogenization of an al-mg alloy and alligatoring failure: alloy ductility and fracture
EP  - 407
IS  - 3
SP  - 403
VL  - 50
DO  - 10.17222/mit.2015.110
ER  - 

@article{
author = "Romhanji, Endre and Radetić, Tamara and Popović, Miljana",
year = "2016",
abstract = "High-strength Al-Mg alloys have a propensity toward hot fracture and failure by alligatoring during hot rolling. In this study the effect of homogenization conditions on the susceptibility of an Al-5.1Mg-0.7Mn alloy toward alligatoring was investigated. It was found that the plates homogenized in a temperature range of 460-520 degrees C were prone toward alligatoring, but once homogenized at 550 degrees C they were not prone toward it any longer. The characterization of the fracture showed a predominance of the intergranular ductile fracture, but the type of the constitutive particles filling the voids changed with the homogenization regime. Grain decohesion and grain-boundary embrittlement show that certain thermal treatments resulted in a microstructure that promoted slip localization.",
publisher = "Inst Za Kovinske Materiale I In Tehnologie, Ljubjana",
journal = "Materiali in Tehnologije",
title = "Homogenization of an al-mg alloy and alligatoring failure: alloy ductility and fracture",
pages = "407-403",
number = "3",
volume = "50",
doi = "10.17222/mit.2015.110"
}

Romhanji, E., Radetić, T.,& Popović, M.. (2016). Homogenization of an al-mg alloy and alligatoring failure: alloy ductility and fracture. in Materiali in Tehnologije
Inst Za Kovinske Materiale I In Tehnologie, Ljubjana., 50(3), 403-407.
https://doi.org/10.17222/mit.2015.110

Romhanji E, Radetić T, Popović M. Homogenization of an al-mg alloy and alligatoring failure: alloy ductility and fracture. in Materiali in Tehnologije. 2016;50(3):403-407.
doi:10.17222/mit.2015.110 .

Romhanji, Endre, Radetić, Tamara, Popović, Miljana, "Homogenization of an al-mg alloy and alligatoring failure: alloy ductility and fracture" in Materiali in Tehnologije, 50, no. 3 (2016):403-407,
https://doi.org/10.17222/mit.2015.110 . .

TY  - JOUR
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Jegdić, Bore
AU  - Romhanji, Endre
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3335
AB  - Influence of annealing temperature on beta-(Al3Mg2) phase precipitation and corrosion properties of sensitised Al-6.8wt% Mg alloy is investigated. Sensitisation of specimens annealed at 320 degrees C results in IGC and SCC susceptibility. Microstructural characterization shows fine precipitation of Mg-rich phase forming nearly continuous film at grain boundaries, despite small precipitated fraction (0.5%), and grain boundary faceting. Sensitised specimens annealed at 265 degrees C are IGC susceptible, but SCC resistant. Precipitation at grain boundaries is discrete, although the precipitated fraction is greater (3%) than in specimens annealed at 320 degrees C. Potentiodynamic measurements show that of all measured parameters, charge density is in the strongest correlation with the NAMLT and SSRT results.
PB  - Wiley-VCH Verlag Gmbh, Weinheim
T2  - Materials and Corrosion-Werkstoffe Und Korrosion
T1  - Influence of annealing temperature on sensitisation behaviour and corrosion properties of an Al-6.8wt% Mg alloy
EP  - 875
IS  - 8
SP  - 867
VL  - 67
DO  - 10.1002/maco.201508709
ER  - 

@article{
author = "Radetić, Tamara and Popović, Miljana and Jegdić, Bore and Romhanji, Endre",
year = "2016",
abstract = "Influence of annealing temperature on beta-(Al3Mg2) phase precipitation and corrosion properties of sensitised Al-6.8wt% Mg alloy is investigated. Sensitisation of specimens annealed at 320 degrees C results in IGC and SCC susceptibility. Microstructural characterization shows fine precipitation of Mg-rich phase forming nearly continuous film at grain boundaries, despite small precipitated fraction (0.5%), and grain boundary faceting. Sensitised specimens annealed at 265 degrees C are IGC susceptible, but SCC resistant. Precipitation at grain boundaries is discrete, although the precipitated fraction is greater (3%) than in specimens annealed at 320 degrees C. Potentiodynamic measurements show that of all measured parameters, charge density is in the strongest correlation with the NAMLT and SSRT results.",
publisher = "Wiley-VCH Verlag Gmbh, Weinheim",
journal = "Materials and Corrosion-Werkstoffe Und Korrosion",
title = "Influence of annealing temperature on sensitisation behaviour and corrosion properties of an Al-6.8wt% Mg alloy",
pages = "875-867",
number = "8",
volume = "67",
doi = "10.1002/maco.201508709"
}

Radetić, T., Popović, M., Jegdić, B.,& Romhanji, E.. (2016). Influence of annealing temperature on sensitisation behaviour and corrosion properties of an Al-6.8wt% Mg alloy. in Materials and Corrosion-Werkstoffe Und Korrosion
Wiley-VCH Verlag Gmbh, Weinheim., 67(8), 867-875.
https://doi.org/10.1002/maco.201508709

Radetić T, Popović M, Jegdić B, Romhanji E. Influence of annealing temperature on sensitisation behaviour and corrosion properties of an Al-6.8wt% Mg alloy. in Materials and Corrosion-Werkstoffe Und Korrosion. 2016;67(8):867-875.
doi:10.1002/maco.201508709 .

Radetić, Tamara, Popović, Miljana, Jegdić, Bore, Romhanji, Endre, "Influence of annealing temperature on sensitisation behaviour and corrosion properties of an Al-6.8wt% Mg alloy" in Materials and Corrosion-Werkstoffe Und Korrosion, 67, no. 8 (2016):867-875,
https://doi.org/10.1002/maco.201508709 . .

TY  - CHAP
AU  - Halap, Akram
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Romhanji, Endre
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3169
AB  - Microstructural changes of DC-cast 5xxx series AI-Mg-Mn alloy modified with Zn addition occurring during the homogenization treatments were studied through the thickness of a rolling ingot. The homogenization treatments included: low temperature annealing at 430 degrees C for 12h and high temperature homogenization at 550 degrees C for 16h. Microstructure evolution was followed by electrical resistivity measurements, optical microscopy, SEM and TEM characterization and microanalysis. During the homogenization, decomposition of the supersaturated solid solution, present in the as-cast state, occurred. Distribution of the precipitates was dictated by segregations and could be related to the partition coefficients of alloying elements. It was found that during the high temperature homogenization not only dissolution processes occurred, but also precipitation of new phases.
T2  - Light Metals 2012
T1  - Study of homogenization treatments of cast 5xxx series ai-mg-mn alloy modified with zn
EP  - 392
SP  - 387
DO  - 10.1007/978-3-319-48179-1_65
ER  - 

@inbook{
author = "Halap, Akram and Radetić, Tamara and Popović, Miljana and Romhanji, Endre",
year = "2016",
abstract = "Microstructural changes of DC-cast 5xxx series AI-Mg-Mn alloy modified with Zn addition occurring during the homogenization treatments were studied through the thickness of a rolling ingot. The homogenization treatments included: low temperature annealing at 430 degrees C for 12h and high temperature homogenization at 550 degrees C for 16h. Microstructure evolution was followed by electrical resistivity measurements, optical microscopy, SEM and TEM characterization and microanalysis. During the homogenization, decomposition of the supersaturated solid solution, present in the as-cast state, occurred. Distribution of the precipitates was dictated by segregations and could be related to the partition coefficients of alloying elements. It was found that during the high temperature homogenization not only dissolution processes occurred, but also precipitation of new phases.",
journal = "Light Metals 2012",
booktitle = "Study of homogenization treatments of cast 5xxx series ai-mg-mn alloy modified with zn",
pages = "392-387",
doi = "10.1007/978-3-319-48179-1_65"
}

Halap, A., Radetić, T., Popović, M.,& Romhanji, E.. (2016). Study of homogenization treatments of cast 5xxx series ai-mg-mn alloy modified with zn. in Light Metals 2012, 387-392.
https://doi.org/10.1007/978-3-319-48179-1_65

Halap A, Radetić T, Popović M, Romhanji E. Study of homogenization treatments of cast 5xxx series ai-mg-mn alloy modified with zn. in Light Metals 2012. 2016;:387-392.
doi:10.1007/978-3-319-48179-1_65 .

Halap, Akram, Radetić, Tamara, Popović, Miljana, Romhanji, Endre, "Study of homogenization treatments of cast 5xxx series ai-mg-mn alloy modified with zn" in Light Metals 2012 (2016):387-392,
https://doi.org/10.1007/978-3-319-48179-1_65 . .

TY  - JOUR
AU  - Romhanji, Endre
AU  - Radetić, Tamara
AU  - Popović, Miljana
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3241
AB  - In this study the influence of the microstructure of Al-5.1Mg-0.7Mn alloy on the propensity towards an alligatoring failure was evaluated. The morphology of the constituent particles appears to be the key factor, with dissolution and fragmentation of fibrous Mg-Si-Sr and transformation of the Al-6(Fe,Mn) into more compact shapes taking place at homogenization temperatures above 520 degrees C, contributing to improved ductility and diminished propensity towards alligatoring. Homogenization at temperatures below 500 degrees C gave rise to a non-uniform precipitation of the dispersoids. Such a microstructure favored localized slip that induced stress concentration at the grain boundaries and triggered grain boundary embrittlement.
PB  - Inst Za Kovinske Materiale I In Tehnologie, Ljubjana
T2  - Materiali in Tehnologije
T1  - Homogenization of an al-mg alloy and alligatoring failure: influence of the microstructure
EP  - 536
IS  - 4
SP  - 531
VL  - 50
DO  - 10.17222/mit.2015.111
ER  - 

@article{
author = "Romhanji, Endre and Radetić, Tamara and Popović, Miljana",
year = "2016",
abstract = "In this study the influence of the microstructure of Al-5.1Mg-0.7Mn alloy on the propensity towards an alligatoring failure was evaluated. The morphology of the constituent particles appears to be the key factor, with dissolution and fragmentation of fibrous Mg-Si-Sr and transformation of the Al-6(Fe,Mn) into more compact shapes taking place at homogenization temperatures above 520 degrees C, contributing to improved ductility and diminished propensity towards alligatoring. Homogenization at temperatures below 500 degrees C gave rise to a non-uniform precipitation of the dispersoids. Such a microstructure favored localized slip that induced stress concentration at the grain boundaries and triggered grain boundary embrittlement.",
publisher = "Inst Za Kovinske Materiale I In Tehnologie, Ljubjana",
journal = "Materiali in Tehnologije",
title = "Homogenization of an al-mg alloy and alligatoring failure: influence of the microstructure",
pages = "536-531",
number = "4",
volume = "50",
doi = "10.17222/mit.2015.111"
}

Romhanji, E., Radetić, T.,& Popović, M.. (2016). Homogenization of an al-mg alloy and alligatoring failure: influence of the microstructure. in Materiali in Tehnologije
Inst Za Kovinske Materiale I In Tehnologie, Ljubjana., 50(4), 531-536.
https://doi.org/10.17222/mit.2015.111

Romhanji E, Radetić T, Popović M. Homogenization of an al-mg alloy and alligatoring failure: influence of the microstructure. in Materiali in Tehnologije. 2016;50(4):531-536.
doi:10.17222/mit.2015.111 .

Romhanji, Endre, Radetić, Tamara, Popović, Miljana, "Homogenization of an al-mg alloy and alligatoring failure: influence of the microstructure" in Materiali in Tehnologije, 50, no. 4 (2016):531-536,
https://doi.org/10.17222/mit.2015.111 . .

Romhanji, E., Popović, M., Radetić, T., Filipović, M., Milović, B.,& Dodok, R.. (2015). Tehnološki režim proizvodnje Al-Mg legura visoke čvrstoće za brodske konstrukcije, drumska i železnička transportna sredstva. in Tehnološko metalurški fakultet, Univerzitet u Beogradu
Tehnološko metalurški fakultet, Univerzitet u Beogradu..
https://hdl.handle.net/21.15107/rcub_technorep_7264

Romhanji E, Popović M, Radetić T, Filipović M, Milović B, Dodok R. Tehnološki režim proizvodnje Al-Mg legura visoke čvrstoće za brodske konstrukcije, drumska i železnička transportna sredstva. in Tehnološko metalurški fakultet, Univerzitet u Beogradu. 2015;.
https://hdl.handle.net/21.15107/rcub_technorep_7264 .

Romhanji, Endre, Popović, Miljana, Radetić, Tamara, Filipović, Mirjana, Milović, Branislava, Dodok, Radomir, "Tehnološki režim proizvodnje Al-Mg legura visoke čvrstoće za brodske konstrukcije, drumska i železnička transportna sredstva" in Tehnološko metalurški fakultet, Univerzitet u Beogradu (2015),
https://hdl.handle.net/21.15107/rcub_technorep_7264 .

TY  - CONF
AU  - Alil, Ana
AU  - Popović, Miljana
AU  - Radetić, Tamara
AU  - Romhanji, Endre
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6105
AB  - Intergranular corrosion (IGC) susceptibility of an AA5083 Al-Mg alloy sheets,
highly deformed by accumulative roll-bonding (ARB), was investigated. It was
shown that ARB processed specimens were resistant to IGC as the mass loss was
<15 mg/cm2. The degree of plastic strain during ARB processing did not affect IGC
susceptibility and a value of corrosion potential. After sensitization treatment at
150°C, ARB processed specimens stayed resistant to IGC, in spite of β-phase
precipitation along grain boundaries and within the structure. A high degree of
deformation achieved by ARB processing, and a large amount of β-phase
precipitated during the sensitization, did not cause an increase in IGC susceptibility
due to favorable morphology and a distribution of β-phase in the structure.
PB  - Belgrade : Association of Metallurgical Engineers of Serbia (AMES)
C3  - Proceedings and Book of abstracts / MME SEE 2015 Metallurgical & Materials Engineering Congress of South-East Europe, June 3-5, 2015, Belgrade, Serbia
T1  - Intergranular Corrosion Susceptibility of an AA5083 Al-Mg Alloy Processed by Accumulative Roll Bonding (ARB)
EP  - 117
SP  - 111
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6105
ER  - 

@conference{
author = "Alil, Ana and Popović, Miljana and Radetić, Tamara and Romhanji, Endre",
year = "2015",
abstract = "Intergranular corrosion (IGC) susceptibility of an AA5083 Al-Mg alloy sheets,
highly deformed by accumulative roll-bonding (ARB), was investigated. It was
shown that ARB processed specimens were resistant to IGC as the mass loss was
<15 mg/cm2. The degree of plastic strain during ARB processing did not affect IGC
susceptibility and a value of corrosion potential. After sensitization treatment at
150°C, ARB processed specimens stayed resistant to IGC, in spite of β-phase
precipitation along grain boundaries and within the structure. A high degree of
deformation achieved by ARB processing, and a large amount of β-phase
precipitated during the sensitization, did not cause an increase in IGC susceptibility
due to favorable morphology and a distribution of β-phase in the structure.",
publisher = "Belgrade : Association of Metallurgical Engineers of Serbia (AMES)",
journal = "Proceedings and Book of abstracts / MME SEE 2015 Metallurgical & Materials Engineering Congress of South-East Europe, June 3-5, 2015, Belgrade, Serbia",
title = "Intergranular Corrosion Susceptibility of an AA5083 Al-Mg Alloy Processed by Accumulative Roll Bonding (ARB)",
pages = "117-111",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6105"
}

Alil, A., Popović, M., Radetić, T.,& Romhanji, E.. (2015). Intergranular Corrosion Susceptibility of an AA5083 Al-Mg Alloy Processed by Accumulative Roll Bonding (ARB). in Proceedings and Book of abstracts / MME SEE 2015 Metallurgical & Materials Engineering Congress of South-East Europe, June 3-5, 2015, Belgrade, Serbia
Belgrade : Association of Metallurgical Engineers of Serbia (AMES)., 111-117.
https://hdl.handle.net/21.15107/rcub_technorep_6105

Alil A, Popović M, Radetić T, Romhanji E. Intergranular Corrosion Susceptibility of an AA5083 Al-Mg Alloy Processed by Accumulative Roll Bonding (ARB). in Proceedings and Book of abstracts / MME SEE 2015 Metallurgical & Materials Engineering Congress of South-East Europe, June 3-5, 2015, Belgrade, Serbia. 2015;:111-117.
https://hdl.handle.net/21.15107/rcub_technorep_6105 .

Alil, Ana, Popović, Miljana, Radetić, Tamara, Romhanji, Endre, "Intergranular Corrosion Susceptibility of an AA5083 Al-Mg Alloy Processed by Accumulative Roll Bonding (ARB)" in Proceedings and Book of abstracts / MME SEE 2015 Metallurgical & Materials Engineering Congress of South-East Europe, June 3-5, 2015, Belgrade, Serbia (2015):111-117,
https://hdl.handle.net/21.15107/rcub_technorep_6105 .