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  - 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  - JOUR
AU  - Pavlović, Miloš
AU  - Radović, Ljubica
AU  - Radisavljević, Igor
AU  - Radović, Nenad
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4281
AB  - The aim of this work was to evaluate the influence of welding speed on microstructure, mechanical properties, as well as Intergranular corrosion (IGC) susceptibility of EN AW-5083 alloy welded using FSW. FSW was performed using constant rotation speed of 750 Rev/min, while welding speed was varied from 73 mm/min, 150 mm/min to 190 mm/min. Results show that increase of welding speed lead to decrease of the size of the nugget. This behavior is attributed to decrease of heat input during welding. Accordingly, lower grain size provides increase of the strength. All tested welds are resistant to IGC, evaluating by mass loss according to NAMLT test, and resistivity slightly decrease with increasing welding speed.
T2  - Advanced Technologies and Materials
T1  - The effect of friction stirs welding speed on microstructure, mechanical properties and IGC of EN AW-5083 plates
EP  - 13
IS  - 1
SP  - 7
VL  - 44
DO  - 10.24867/ATM-2019-1-002
ER  - 

@article{
author = "Pavlović, Miloš and Radović, Ljubica and Radisavljević, Igor and Radović, Nenad",
year = "2019",
abstract = "The aim of this work was to evaluate the influence of welding speed on microstructure, mechanical properties, as well as Intergranular corrosion (IGC) susceptibility of EN AW-5083 alloy welded using FSW. FSW was performed using constant rotation speed of 750 Rev/min, while welding speed was varied from 73 mm/min, 150 mm/min to 190 mm/min. Results show that increase of welding speed lead to decrease of the size of the nugget. This behavior is attributed to decrease of heat input during welding. Accordingly, lower grain size provides increase of the strength. All tested welds are resistant to IGC, evaluating by mass loss according to NAMLT test, and resistivity slightly decrease with increasing welding speed.",
journal = "Advanced Technologies and Materials",
title = "The effect of friction stirs welding speed on microstructure, mechanical properties and IGC of EN AW-5083 plates",
pages = "13-7",
number = "1",
volume = "44",
doi = "10.24867/ATM-2019-1-002"
}

Pavlović, M., Radović, L., Radisavljević, I.,& Radović, N.. (2019). The effect of friction stirs welding speed on microstructure, mechanical properties and IGC of EN AW-5083 plates. in Advanced Technologies and Materials, 44(1), 7-13.
https://doi.org/10.24867/ATM-2019-1-002

Pavlović M, Radović L, Radisavljević I, Radović N. The effect of friction stirs welding speed on microstructure, mechanical properties and IGC of EN AW-5083 plates. in Advanced Technologies and Materials. 2019;44(1):7-13.
doi:10.24867/ATM-2019-1-002 .

Pavlović, Miloš, Radović, Ljubica, Radisavljević, Igor, Radović, Nenad, "The effect of friction stirs welding speed on microstructure, mechanical properties and IGC of EN AW-5083 plates" in Advanced Technologies and Materials, 44, no. 1 (2019):7-13,
https://doi.org/10.24867/ATM-2019-1-002 . .

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  - THES
AU  - Alil, Ana
PY  - 2018
UR  - http://eteze.bg.ac.rs/application/showtheses?thesesId=6040
UR  - https://fedorabg.bg.ac.rs/fedora/get/o:18363/bdef:Content/download
UR  - http://vbs.rs/scripts/cobiss?command=DISPLAY&base=70036&RID=50424079
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4673
AB  - Influence of accumulative roll bonding (ARB) and conventional cold rolling (CR) on the mechanical and corrosion properties of an AA5083 type alloy with 4.2 wt% Mg and a modified alloy with 5.1 wt% Mg and addition of 0.5 wt% Zn was studied. Tensile tests showed significant increase in strength and a decrease in elongation after each ARB deformation and cold rolling reductions. The advantage of ARB processing over conventional cold rolling was due to the possibility to achieve high degree of deformation and a grain structure refinement. Higher Mg content in a modified AA5083 alloy contributed significantly to the increase in strength, while strain hardening potential and corrosion resistance were reduced. The higher strength level of cold rolled material was attributed to higher dislocation density and the hardening effect due to more intensive dislocation interactions compared to ARB processed material. Results of nitric acid mass loss test (NAMLT) revealed that cold rolled (CR) monometal and ARB processed multilayered specimens were resistant toward intergranular corrosion (IGC) in as-deformed state. However, after 7 days of sensitization at 100 and 150 °C, CR material of AA5083 alloy became IGC sensitive, while ARB specimens stayed resistant. On the other hand, both cold rolled and ARB processed specimens of a modified alloy became IGC susceptible after sensitization. IGC susceptibility of the tested alloys can be correlated with different morphology and distribution of β-phase (Mg2Al3) precipitated during sensitization. It was found that an extensive shear banding within ARB multilayered structure and the existence of passive film between the layers contributed a favorable distribution of β-phase in the structure of IGC resistant ARB specimens. In case of IGC susceptible cold rolled specimens, large amount of β-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.
AB  - Ispitivan je uticaj akumulativnog spajanja valjanjem (ARB postupak) i konvencionalnog hladnog valjanja (CR postupak) na mehanička i koroziona svojstva standardne AA5083 legure sa 4.2 mas. % Mg i modifikovane legure, sa sadržajem Mg od 5.1 mas.% i dodatkom 0.5 mas.% Zn. Rezultati ispitivanja jednoosnim zatezanjem pokazali su da dolazi do značajnog povećanja parametara čvrstoće i smanjenja izduženja nakon svakog ARB provlaka i sa porastom stepena deformacije CR postupkom. Pokazana je prednost ARB postupka nad klasičnim postupkom hladnog valjanja obzirom da se mogu postići veći stepeni deformacije i veća rafinacija strukture. Pokazano je da povišen sadržaj Mg doprinosi porastu čvrstoće, dok se potencijal za ojačavanje i koroziona otpornost smanjuju. Viši nivo čvrstoće CR traka rezultat je veće gustine dislokacija i izraženijeg deformacionog ojačavanja zbog intenzivnije interakcije dislokacija kod konvencionalnog valjanja u odnosu na ARB postupak. Rezultati testa gubitka mase (NAMLT) pokazali su otpornost jednoslojnih CR i višeslojnih ARB traka ispitivanih legura prema intergranularnoj koroziji (IGC) u deformisanom stanju. Međutim, nakon 7 dana senzitizacije na 100 i 150 °C, CR uzorci AA5083 legure postaju osetljivi, dok ARB uzorci ostaju otporni prema IGC. Za razliku od standardne legure, CR i ARB trake modifikovane legure pokazale su veliku osetljivost prema IGC nakon tretmana senzitizacije. Osetljivost prema IGC u korelaciji je sa različitom morfologijom i raspodelom β-faze (Mg2Al3) istaložene tokom senzitizacije. Otkriveno je da postojanje smicajnih traka usled intenzivne plastične deformacije u višeslojnoj ARB strukturi, i pasivnog filma između slojeva doprinosi povoljnoj raspodeli β-faze u strukturi otpornih ARB uzoraka što su potvrdili i rezultati elektrohemijskih ispitivanja. U slučaju IGC osetljivih CR uzoraka, velika količina β-faze istaložena je duž granica zrna. Elektrohemijski parametri su u dobroj korelaciji sa rezultatima NAML testa, koji su potvrdili prednost ARB višeslojne strukture u odnosu na konvencionalno hladno valjanu, i ustanovljeno je da ARB postupak ima realnu mogućnost praktične industrijske primene za izradu višeslojnih traka jer omogućava transformaciju Al-Mg legura u materijale novih, pobolјšanih svojstava.
PB  - Univerzitet u Beogradu, Tehnološko-metalurški fakultet
T1  - Structure and properties of Al-Mg alloy sheets produced by accumulative roll bonding.
T1  - Struktura i svojstva višeslojnih Al-Mg traka dobijenih hladnim valjanjem
UR  - https://hdl.handle.net/21.15107/rcub_technorep_4673
ER  - 

@phdthesis{
author = "Alil, Ana",
year = "2018",
abstract = "Influence of accumulative roll bonding (ARB) and conventional cold rolling (CR) on the mechanical and corrosion properties of an AA5083 type alloy with 4.2 wt% Mg and a modified alloy with 5.1 wt% Mg and addition of 0.5 wt% Zn was studied. Tensile tests showed significant increase in strength and a decrease in elongation after each ARB deformation and cold rolling reductions. The advantage of ARB processing over conventional cold rolling was due to the possibility to achieve high degree of deformation and a grain structure refinement. Higher Mg content in a modified AA5083 alloy contributed significantly to the increase in strength, while strain hardening potential and corrosion resistance were reduced. The higher strength level of cold rolled material was attributed to higher dislocation density and the hardening effect due to more intensive dislocation interactions compared to ARB processed material. Results of nitric acid mass loss test (NAMLT) revealed that cold rolled (CR) monometal and ARB processed multilayered specimens were resistant toward intergranular corrosion (IGC) in as-deformed state. However, after 7 days of sensitization at 100 and 150 °C, CR material of AA5083 alloy became IGC sensitive, while ARB specimens stayed resistant. On the other hand, both cold rolled and ARB processed specimens of a modified alloy became IGC susceptible after sensitization. IGC susceptibility of the tested alloys can be correlated with different morphology and distribution of β-phase (Mg2Al3) precipitated during sensitization. It was found that an extensive shear banding within ARB multilayered structure and the existence of passive film between the layers contributed a favorable distribution of β-phase in the structure of IGC resistant ARB specimens. In case of IGC susceptible cold rolled specimens, large amount of β-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., Ispitivan je uticaj akumulativnog spajanja valjanjem (ARB postupak) i konvencionalnog hladnog valjanja (CR postupak) na mehanička i koroziona svojstva standardne AA5083 legure sa 4.2 mas. % Mg i modifikovane legure, sa sadržajem Mg od 5.1 mas.% i dodatkom 0.5 mas.% Zn. Rezultati ispitivanja jednoosnim zatezanjem pokazali su da dolazi do značajnog povećanja parametara čvrstoće i smanjenja izduženja nakon svakog ARB provlaka i sa porastom stepena deformacije CR postupkom. Pokazana je prednost ARB postupka nad klasičnim postupkom hladnog valjanja obzirom da se mogu postići veći stepeni deformacije i veća rafinacija strukture. Pokazano je da povišen sadržaj Mg doprinosi porastu čvrstoće, dok se potencijal za ojačavanje i koroziona otpornost smanjuju. Viši nivo čvrstoće CR traka rezultat je veće gustine dislokacija i izraženijeg deformacionog ojačavanja zbog intenzivnije interakcije dislokacija kod konvencionalnog valjanja u odnosu na ARB postupak. Rezultati testa gubitka mase (NAMLT) pokazali su otpornost jednoslojnih CR i višeslojnih ARB traka ispitivanih legura prema intergranularnoj koroziji (IGC) u deformisanom stanju. Međutim, nakon 7 dana senzitizacije na 100 i 150 °C, CR uzorci AA5083 legure postaju osetljivi, dok ARB uzorci ostaju otporni prema IGC. Za razliku od standardne legure, CR i ARB trake modifikovane legure pokazale su veliku osetljivost prema IGC nakon tretmana senzitizacije. Osetljivost prema IGC u korelaciji je sa različitom morfologijom i raspodelom β-faze (Mg2Al3) istaložene tokom senzitizacije. Otkriveno je da postojanje smicajnih traka usled intenzivne plastične deformacije u višeslojnoj ARB strukturi, i pasivnog filma između slojeva doprinosi povoljnoj raspodeli β-faze u strukturi otpornih ARB uzoraka što su potvrdili i rezultati elektrohemijskih ispitivanja. U slučaju IGC osetljivih CR uzoraka, velika količina β-faze istaložena je duž granica zrna. Elektrohemijski parametri su u dobroj korelaciji sa rezultatima NAML testa, koji su potvrdili prednost ARB višeslojne strukture u odnosu na konvencionalno hladno valjanu, i ustanovljeno je da ARB postupak ima realnu mogućnost praktične industrijske primene za izradu višeslojnih traka jer omogućava transformaciju Al-Mg legura u materijale novih, pobolјšanih svojstava.",
publisher = "Univerzitet u Beogradu, Tehnološko-metalurški fakultet",
title = "Structure and properties of Al-Mg alloy sheets produced by accumulative roll bonding., Struktura i svojstva višeslojnih Al-Mg traka dobijenih hladnim valjanjem",
url = "https://hdl.handle.net/21.15107/rcub_technorep_4673"
}

Alil, A.. (2018). Structure and properties of Al-Mg alloy sheets produced by accumulative roll bonding.. 
Univerzitet u Beogradu, Tehnološko-metalurški fakultet..
https://hdl.handle.net/21.15107/rcub_technorep_4673

Alil A. Structure and properties of Al-Mg alloy sheets produced by accumulative roll bonding.. 2018;.
https://hdl.handle.net/21.15107/rcub_technorep_4673 .

Alil, Ana, "Structure and properties of Al-Mg alloy sheets produced by accumulative roll bonding." (2018),
https://hdl.handle.net/21.15107/rcub_technorep_4673 .

TY  - CONF
AU  - Filipović, Mirjana
AU  - Romhanji, Endre
AU  - Totovski, Ljubica
AU  - Vujović, Goran
AU  - Alil, Ana
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6198
AB  - Aluminium alloys with magnesium as the major alloying element constitute a group of non-heat treatable alloys with medium strength, high ductility, excellent corrosion resistance and weldability. Al—Mg alloys are used as structural materials in marine, automotive, aircraft and cryogenic applications.
The chemical composition of tested alloy is. 3.98%Mg, 0.08 %Si, 0.27 %Fe, 0.27 %Cu, 0.7 %Mn, 0.07 %Cr, 1.59 %Zn, 0.017 %Ti and 0.18 %Zr. The structure of Al-Mg-Mn alloy with Zn addition consists of grains of a - solid solution of aluminum with a dendritic-cell substructure, and a variety of intermetallic phases. The distribution of the various alloying elements on the microstructural scale is very inhomogeneous in the alloy. Enrichment of Mg and Zn, depletion of Mn and pre- cipitates of different intermetallic compounds have been observed at the interden- dritic regions of this alloy.
The dominant intermetallic phases formed during solidification of tested alloy have been identified to be AI-Fe-Mn, Al-Zn-Mg and AI-Zn-Mg-Cu. SEM/EDS analy- sis revealed that the MgtSi and Ę phases do not form during nonequilibrium solidi- fication in this alloy.
The zinc addition in tested Al-Mg-Mn alloy precludes the formation of Ę- phase precipitates, resulting instead in the formation of a chemically and structural- ty distinct Al-Mg-Zn phase at grain boundaries and interdendritic regions.
While the I -phase has been reported in 7000 series alloys containing high levels of Zn, this study indicates that the T -phase can also form extensively in AI- Mg-Mn alloy with Zn addition.
PB  - Association of Metallurgical Engineers of Serbia (AMES), Beograd, Srbija
C3  - Proceedings and Book of Abstracts from the 3rd Metallurgical and Materials Engineering Congress of South-East Europe
T1  - INTERMETALLIC PHASES IN THE AS-CAST MICROSTRUCTURE OF Al4Mg0.7Mn TYPE ALLOY WITH ZINC ADDITION
SP  - 73
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6198
ER  - 

@conference{
author = "Filipović, Mirjana and Romhanji, Endre and Totovski, Ljubica and Vujović, Goran and Alil, Ana",
year = "2017",
abstract = "Aluminium alloys with magnesium as the major alloying element constitute a group of non-heat treatable alloys with medium strength, high ductility, excellent corrosion resistance and weldability. Al—Mg alloys are used as structural materials in marine, automotive, aircraft and cryogenic applications.
The chemical composition of tested alloy is. 3.98%Mg, 0.08 %Si, 0.27 %Fe, 0.27 %Cu, 0.7 %Mn, 0.07 %Cr, 1.59 %Zn, 0.017 %Ti and 0.18 %Zr. The structure of Al-Mg-Mn alloy with Zn addition consists of grains of a - solid solution of aluminum with a dendritic-cell substructure, and a variety of intermetallic phases. The distribution of the various alloying elements on the microstructural scale is very inhomogeneous in the alloy. Enrichment of Mg and Zn, depletion of Mn and pre- cipitates of different intermetallic compounds have been observed at the interden- dritic regions of this alloy.
The dominant intermetallic phases formed during solidification of tested alloy have been identified to be AI-Fe-Mn, Al-Zn-Mg and AI-Zn-Mg-Cu. SEM/EDS analy- sis revealed that the MgtSi and Ę phases do not form during nonequilibrium solidi- fication in this alloy.
The zinc addition in tested Al-Mg-Mn alloy precludes the formation of Ę- phase precipitates, resulting instead in the formation of a chemically and structural- ty distinct Al-Mg-Zn phase at grain boundaries and interdendritic regions.
While the I -phase has been reported in 7000 series alloys containing high levels of Zn, this study indicates that the T -phase can also form extensively in AI- Mg-Mn alloy with Zn addition.",
publisher = "Association of Metallurgical Engineers of Serbia (AMES), Beograd, Srbija",
journal = "Proceedings and Book of Abstracts from the 3rd Metallurgical and Materials Engineering Congress of South-East Europe",
title = "INTERMETALLIC PHASES IN THE AS-CAST MICROSTRUCTURE OF Al4Mg0.7Mn TYPE ALLOY WITH ZINC ADDITION",
pages = "73",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6198"
}

Filipović, M., Romhanji, E., Totovski, L., Vujović, G.,& Alil, A.. (2017). INTERMETALLIC PHASES IN THE AS-CAST MICROSTRUCTURE OF Al4Mg0.7Mn TYPE ALLOY WITH ZINC ADDITION. in Proceedings and Book of Abstracts from the 3rd Metallurgical and Materials Engineering Congress of South-East Europe
Association of Metallurgical Engineers of Serbia (AMES), Beograd, Srbija., 73.
https://hdl.handle.net/21.15107/rcub_technorep_6198

Filipović M, Romhanji E, Totovski L, Vujović G, Alil A. INTERMETALLIC PHASES IN THE AS-CAST MICROSTRUCTURE OF Al4Mg0.7Mn TYPE ALLOY WITH ZINC ADDITION. in Proceedings and Book of Abstracts from the 3rd Metallurgical and Materials Engineering Congress of South-East Europe. 2017;:73.
https://hdl.handle.net/21.15107/rcub_technorep_6198 .

Filipović, Mirjana, Romhanji, Endre, Totovski, Ljubica, Vujović, Goran, Alil, Ana, "INTERMETALLIC PHASES IN THE AS-CAST MICROSTRUCTURE OF Al4Mg0.7Mn TYPE ALLOY WITH ZINC ADDITION" in Proceedings and Book of Abstracts from the 3rd Metallurgical and Materials Engineering Congress of South-East Europe (2017):73,
https://hdl.handle.net/21.15107/rcub_technorep_6198 .

TY  - JOUR
AU  - Radisavljević, Igor
AU  - Živković, Aleksandar
AU  - Radović, Nenad
AU  - Grabulov, Vencislav
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3519
AB  - In this work, the structural and mechanical properties of friction stir welded dissimilar butt joints of AA2024-T351 to AA5083-H112 aluminum alloys were evaluated. Plates of 6 mm thick were friction stir welded with optimized tool. In the first case, plate of AA2024 was positioned on the advancing and plate of AA5083 was on the retreating side of the weld. In second case, position of the plate was opposite. Specimens were welded using rotation rate of 750 rpm and welding speed of 73 and 93 mm/min. Specimens were defect free, with good or acceptable weld surface. The effects of rotation and lateral speed of the welding tool were related to structural features and mechanical properties. The structural appearances of concentric rings in the nugget zone were controlled by tool speed and plate position. Structural analysis of the joint cross-section, revealed the distinct lamellar bands. The joints consistently failed on the AA5083 aluminum alloy plate. Failures were observed through the heat-affected zone at distance of approximately 21 mm from weld center.
AB  - U radu su predstavljeni rezultati strukturnih i mehaničkih ispitivanja sučeonih spojeva raznorodnih aluminijumskih legura AlCu4,5Mg (AA2024) i AlMg4,5Mn (AA5083) zavarenih postupkom FSW. Primenom optimizovang alata za zavarivanje, spojene su ploče debljine 6 mm. Međusobni položaj ploča u spoju je variran tako da je u prvom slučaju ploča od AA2024 pozicionirana na strani napredovanja a ploča od AA5083 na povratnoj strani spoja. U drugom slučaju položaj ploča je bio obrnut. Korišćeni su sledeći parametri zavarivanja: brzina rotacije alata nije menjana i iznosila je 750 obr/min a brzina zavarivanja iznosila je 73 i 93 mm/min. Dobijeni su spojevi bez prisustva grešaka i sa glatkom odnosno prihvatljivo ravnom površinom spoja. Analiziran je uticaj parametra zavarivanja na dobijenu strukturu i mehanička svojstva spoja. Oblik grumena i u njemu prisutnih koncentričnih krugova, zavisi od brzine zavarivanja i položaja ploča u spoju. Do loma uvek dolazi na strani spoja gde je pozicionirana ploča od legure AA5083. Karakteristično je da se lom uvek dešava na rastojanju od oko 21 mm od centra spoja.
PB  - DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd
T2  - Zavarivanje i zavarene konstrukcije
T1  - Mechanical and structural properties of friction stir weld of dissimilar aluminum alloys
T1  - Mehahička i strukturna svojstva spojeva od raznorodnih aluminijumskih legura zavarenih FSW postupkom
EP  - 18
IS  - 1
SP  - 11
VL  - 62
DO  - 10.5937/zzk1701011R
ER  - 

@article{
author = "Radisavljević, Igor and Živković, Aleksandar and Radović, Nenad and Grabulov, Vencislav",
year = "2017",
abstract = "In this work, the structural and mechanical properties of friction stir welded dissimilar butt joints of AA2024-T351 to AA5083-H112 aluminum alloys were evaluated. Plates of 6 mm thick were friction stir welded with optimized tool. In the first case, plate of AA2024 was positioned on the advancing and plate of AA5083 was on the retreating side of the weld. In second case, position of the plate was opposite. Specimens were welded using rotation rate of 750 rpm and welding speed of 73 and 93 mm/min. Specimens were defect free, with good or acceptable weld surface. The effects of rotation and lateral speed of the welding tool were related to structural features and mechanical properties. The structural appearances of concentric rings in the nugget zone were controlled by tool speed and plate position. Structural analysis of the joint cross-section, revealed the distinct lamellar bands. The joints consistently failed on the AA5083 aluminum alloy plate. Failures were observed through the heat-affected zone at distance of approximately 21 mm from weld center., U radu su predstavljeni rezultati strukturnih i mehaničkih ispitivanja sučeonih spojeva raznorodnih aluminijumskih legura AlCu4,5Mg (AA2024) i AlMg4,5Mn (AA5083) zavarenih postupkom FSW. Primenom optimizovang alata za zavarivanje, spojene su ploče debljine 6 mm. Međusobni položaj ploča u spoju je variran tako da je u prvom slučaju ploča od AA2024 pozicionirana na strani napredovanja a ploča od AA5083 na povratnoj strani spoja. U drugom slučaju položaj ploča je bio obrnut. Korišćeni su sledeći parametri zavarivanja: brzina rotacije alata nije menjana i iznosila je 750 obr/min a brzina zavarivanja iznosila je 73 i 93 mm/min. Dobijeni su spojevi bez prisustva grešaka i sa glatkom odnosno prihvatljivo ravnom površinom spoja. Analiziran je uticaj parametra zavarivanja na dobijenu strukturu i mehanička svojstva spoja. Oblik grumena i u njemu prisutnih koncentričnih krugova, zavisi od brzine zavarivanja i položaja ploča u spoju. Do loma uvek dolazi na strani spoja gde je pozicionirana ploča od legure AA5083. Karakteristično je da se lom uvek dešava na rastojanju od oko 21 mm od centra spoja.",
publisher = "DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd",
journal = "Zavarivanje i zavarene konstrukcije",
title = "Mechanical and structural properties of friction stir weld of dissimilar aluminum alloys, Mehahička i strukturna svojstva spojeva od raznorodnih aluminijumskih legura zavarenih FSW postupkom",
pages = "18-11",
number = "1",
volume = "62",
doi = "10.5937/zzk1701011R"
}

Radisavljević, I., Živković, A., Radović, N.,& Grabulov, V.. (2017). Mechanical and structural properties of friction stir weld of dissimilar aluminum alloys. in Zavarivanje i zavarene konstrukcije
DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd., 62(1), 11-18.
https://doi.org/10.5937/zzk1701011R

Radisavljević I, Živković A, Radović N, Grabulov V. Mechanical and structural properties of friction stir weld of dissimilar aluminum alloys. in Zavarivanje i zavarene konstrukcije. 2017;62(1):11-18.
doi:10.5937/zzk1701011R .

Radisavljević, Igor, Živković, Aleksandar, Radović, Nenad, Grabulov, Vencislav, "Mechanical and structural properties of friction stir weld of dissimilar aluminum alloys" in Zavarivanje i zavarene konstrukcije, 62, no. 1 (2017):11-18,
https://doi.org/10.5937/zzk1701011R . .

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 . .

TY  - THES
AU  - Gligorijević, Bojan
PY  - 2016
UR  - http://eteze.bg.ac.rs/application/showtheses?thesesId=4616
UR  - https://fedorabg.bg.ac.rs/fedora/get/o:14750/bdef:Content/download
UR  - http://vbs.rs/scripts/cobiss?command=DISPLAY&base=70036&RID=48675343
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4652
AB  - In the present work, hydroxyapatite coatings (HACs) were deposited by using the high power laminar plasma spray process. Major objectives were: (i) to estimate effects of several deposition parameters on chemical, structural, and morphological properties of HACs and (ii) to evaluate effects of human proteins albumin and gamma globulin on the early stage of the biomineralization process on the surface of HACs in modified Kokubo solutions (simulated body fluids) in which the pH value was actively regulated using CO2.
AB  - U ovom radu je izvršeno nanošenje hidroksiapatitnih (HA) prevlaka primenom visokoenergetskog laminarnog plazma sprej postupka. Glavni ciljevi rada su bili: (i) da se ispita uticaj nekoliko parametara procesa nanošenja na hemijska, strukturna i morfološka svojstva HA prevlaka i (ii) da se ispita uticaj ljudskih proteina albumin i gama globulin na početni stadijum procesa biomineralizacije koji se javlja na površini dobijenih HA prevlaka u modifikovanim Kokubo rastvorima (simulirane telesne tečnosti) u kojima je vrednost pH bila aktivno regulisana pomoću CO2...
PB  - Univerzitet u Beogradu, Tehnološko-metalurški fakultet
T1  - Chemico-structural properties and biomineralization of hydroxyapatite coatings produced by high power laminar plasma spray process.
T1  - Hemijsko-strukturna svojstva i biomineralizacija hidroksiapatitnih prevlaka dobijenih visokoenergetskim laminarnim plazma sper postupkom
UR  - https://hdl.handle.net/21.15107/rcub_technorep_4652
ER  - 

@phdthesis{
author = "Gligorijević, Bojan",
year = "2016",
abstract = "In the present work, hydroxyapatite coatings (HACs) were deposited by using the high power laminar plasma spray process. Major objectives were: (i) to estimate effects of several deposition parameters on chemical, structural, and morphological properties of HACs and (ii) to evaluate effects of human proteins albumin and gamma globulin on the early stage of the biomineralization process on the surface of HACs in modified Kokubo solutions (simulated body fluids) in which the pH value was actively regulated using CO2., U ovom radu je izvršeno nanošenje hidroksiapatitnih (HA) prevlaka primenom visokoenergetskog laminarnog plazma sprej postupka. Glavni ciljevi rada su bili: (i) da se ispita uticaj nekoliko parametara procesa nanošenja na hemijska, strukturna i morfološka svojstva HA prevlaka i (ii) da se ispita uticaj ljudskih proteina albumin i gama globulin na početni stadijum procesa biomineralizacije koji se javlja na površini dobijenih HA prevlaka u modifikovanim Kokubo rastvorima (simulirane telesne tečnosti) u kojima je vrednost pH bila aktivno regulisana pomoću CO2...",
publisher = "Univerzitet u Beogradu, Tehnološko-metalurški fakultet",
title = "Chemico-structural properties and biomineralization of hydroxyapatite coatings produced by high power laminar plasma spray process., Hemijsko-strukturna svojstva i biomineralizacija hidroksiapatitnih prevlaka dobijenih visokoenergetskim laminarnim plazma sper postupkom",
url = "https://hdl.handle.net/21.15107/rcub_technorep_4652"
}

Gligorijević, B.. (2016). Chemico-structural properties and biomineralization of hydroxyapatite coatings produced by high power laminar plasma spray process.. 
Univerzitet u Beogradu, Tehnološko-metalurški fakultet..
https://hdl.handle.net/21.15107/rcub_technorep_4652

Gligorijević B. Chemico-structural properties and biomineralization of hydroxyapatite coatings produced by high power laminar plasma spray process.. 2016;.
https://hdl.handle.net/21.15107/rcub_technorep_4652 .

Gligorijević, Bojan, "Chemico-structural properties and biomineralization of hydroxyapatite coatings produced by high power laminar plasma spray process." (2016),
https://hdl.handle.net/21.15107/rcub_technorep_4652 .

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 .

TY  - JOUR
AU  - Alil, Ana
AU  - Popović, Miljana
AU  - Radetić, Tamara
AU  - Zrilić, Milorad
AU  - Romhanji, Endre
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3012
AB  - The effect of different thermo-mechanical processing parameters on the baking response, and intergranular corrosion (IGC) resistance of an Al-4.6 wt% Mg-0.54 wt% Cu alloy was investigated. It has been shown that the high temperature anneal at 530 degrees C resulted in superior baking response of pre-deformed material after short annealing at 140-180 degrees C, compared to the annealing at 280 degrees C. Specimens predeformed 2% had positive baking response for both initial annealing temperatures, however, pre-deformation of 5% induced softening during the baking treatment of the specimens annealed at 280 degrees C. Prior to sensitization of 7 days at 100 degrees C, specimens at all stages of thermo-mechanical treatment were IGC resistant. After the sensitization specimens that underwent annealing at 530 degrees C remained IGC resistant, but specimens that underwent annealing at 280 degrees C became IGC susceptible. Better corrosion properties and baking response are related to the higher Cu content in solid solution after annealing at 530 degrees C than at 280 degrees C.
PB  - Elsevier Science Sa, Lausanne
T2  - Journal of Alloys and Compounds
T1  - Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu
EP  - 84
SP  - 76
VL  - 625
DO  - 10.1016/j.jallcom.2014.11.063
ER  - 

@article{
author = "Alil, Ana and Popović, Miljana and Radetić, Tamara and Zrilić, Milorad and Romhanji, Endre",
year = "2015",
abstract = "The effect of different thermo-mechanical processing parameters on the baking response, and intergranular corrosion (IGC) resistance of an Al-4.6 wt% Mg-0.54 wt% Cu alloy was investigated. It has been shown that the high temperature anneal at 530 degrees C resulted in superior baking response of pre-deformed material after short annealing at 140-180 degrees C, compared to the annealing at 280 degrees C. Specimens predeformed 2% had positive baking response for both initial annealing temperatures, however, pre-deformation of 5% induced softening during the baking treatment of the specimens annealed at 280 degrees C. Prior to sensitization of 7 days at 100 degrees C, specimens at all stages of thermo-mechanical treatment were IGC resistant. After the sensitization specimens that underwent annealing at 530 degrees C remained IGC resistant, but specimens that underwent annealing at 280 degrees C became IGC susceptible. Better corrosion properties and baking response are related to the higher Cu content in solid solution after annealing at 530 degrees C than at 280 degrees C.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Journal of Alloys and Compounds",
title = "Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu",
pages = "84-76",
volume = "625",
doi = "10.1016/j.jallcom.2014.11.063"
}

Alil, A., Popović, M., Radetić, T., Zrilić, M.,& Romhanji, E.. (2015). Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu. in Journal of Alloys and Compounds
Elsevier Science Sa, Lausanne., 625, 76-84.
https://doi.org/10.1016/j.jallcom.2014.11.063

Alil A, Popović M, Radetić T, Zrilić M, Romhanji E. Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu. in Journal of Alloys and Compounds. 2015;625:76-84.
doi:10.1016/j.jallcom.2014.11.063 .

Alil, Ana, Popović, Miljana, Radetić, Tamara, Zrilić, Milorad, Romhanji, Endre, "Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu" in Journal of Alloys and Compounds, 625 (2015):76-84,
https://doi.org/10.1016/j.jallcom.2014.11.063 . .

TY  - JOUR
AU  - Radisavljević, Igor
AU  - Živković, Aleksandar
AU  - Grabulov, Vencislav
AU  - Radović, Nenad
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2894
AB  - The aim of this work was to investigate the combined effect of small difference in pin geometry, together with rotation and welding speed on the weldability, mechanical and structural properties of FSW 2024-T351 Al plates. The only difference in tool pin design was the shape of thread: regular and rounded. Specimens were welded using rotation rate of 750 rev/min and welding speeds of 73 and 93 mm/min. Specimens were defect free, with good or acceptable weld surface, in all four cases. Modification in pin design showed strong influence on macro structure and hardness distribution. Weak places are identified as low hardness zone, close to the nugget zone and are in good agreement with fracture location in tensile testing. Weld efficiency, as a measure of weld quality, is better in case of 310 tool, while UTS values can differ up to 13% for the equal welding parameters. Therefore, it can be assumed that small modification in tool design, particularly in pin geometry, can have great influence on weld formation and mechanical properties.
AB  - U radu je ispitivano kakav zajednički, kombinovani uticaj brzina rotacije alata, brzina zavarivanja i mala promena u geometriji trna alata imaju na zavarljivost, mehaničke i strukturne karakteristike sučeonog spoja Al legure 2024-T351 zavarene primenom FSW (zavarivanje trenjem alatom) postupka zavarivanja. Zavarivane su ploče dimenzija 260 mm×65 mm×6 mm. Ploče su pre zavarivanja mašinski obrađene i kruto stegnute za potpornu ploču. Zavarivanje je izvedeno u pravcu valjanja ploča, na alatnoj glodalici prilagođenoj postupku FSW. Dužina svakog zavarenog spoja iznosila je oko 210 mm. Korišćena su dva alata sa veoma slično profilisanim trnovima. Razlika u dizajnu trna alata je u obliku zavojnice, normalna (klasična) kod alata oznake 310 odnosno zaobljena za alat 310-O. Zavarivanje je izvedeno pri brzini rotacije alata od 750 o/min i brzinama zavarivanja 73 i 93 mm/min. Ukupno su zavarene četiri kombinacije spojeva. U svim slučajevima dobijen je zavareni spoj bez prisustva grešaka, sa glatkom odnosno delimično hrapavom površinom zavara. Prisutne su tri različite oblasti u spoju - grumen, zona termomehaničkog uticaja i zona uticaja toplote. Promene u dizajnu trna alata imaju znatnog uticaja na makrostrukturu spoja i raspodelu tvrdoće kroz spoj. Mapiranjem spoja, na osnovu raspodele tvrdoće, određene su oblasti sa najnižim vrednostima tvrdoće a nalaze se u neposrednoj blizini grumena, tačnije na liniji dodira grumena i zone termomehaničkog uticaja. Položaj oblasti najmanje tvrdoće je u saglasnosti sa mestom preloma zateznih epruveta. Efikasnost spoja, kao ocena kvaliteta spoja, je veća kod spojeva zavarenih alatom 310. U zavisnosti od alata, pri istim parametrima zavarivanja dobijene su različite vrednosti zateznih čvrstoća a razlika iznosi do 13%. Pokazano je da mala modifikacija u dizajnu trna alata ima velikog uticaja na formiranje spoja i njegove mehaničke karakteristike.
PB  - Association of Chemical Engineers of Serbia
T2  - Hemijska industrija
T1  - Influence of pin geometry on mechanical and structural properties of butt friction stir welded 2024-T351 aluminum alloy
T1  - Uticaj geometrije trna alata na mehaničke i strukturne karakteristike sučeonog spoja aluminijumske legure 2024-T351 zavarenog postupkom FSW
EP  - 330
IS  - 3
SP  - 323
VL  - 69
DO  - 10.2298/HEMIND131206020R
ER  - 

@article{
author = "Radisavljević, Igor and Živković, Aleksandar and Grabulov, Vencislav and Radović, Nenad",
year = "2015",
abstract = "The aim of this work was to investigate the combined effect of small difference in pin geometry, together with rotation and welding speed on the weldability, mechanical and structural properties of FSW 2024-T351 Al plates. The only difference in tool pin design was the shape of thread: regular and rounded. Specimens were welded using rotation rate of 750 rev/min and welding speeds of 73 and 93 mm/min. Specimens were defect free, with good or acceptable weld surface, in all four cases. Modification in pin design showed strong influence on macro structure and hardness distribution. Weak places are identified as low hardness zone, close to the nugget zone and are in good agreement with fracture location in tensile testing. Weld efficiency, as a measure of weld quality, is better in case of 310 tool, while UTS values can differ up to 13% for the equal welding parameters. Therefore, it can be assumed that small modification in tool design, particularly in pin geometry, can have great influence on weld formation and mechanical properties., U radu je ispitivano kakav zajednički, kombinovani uticaj brzina rotacije alata, brzina zavarivanja i mala promena u geometriji trna alata imaju na zavarljivost, mehaničke i strukturne karakteristike sučeonog spoja Al legure 2024-T351 zavarene primenom FSW (zavarivanje trenjem alatom) postupka zavarivanja. Zavarivane su ploče dimenzija 260 mm×65 mm×6 mm. Ploče su pre zavarivanja mašinski obrađene i kruto stegnute za potpornu ploču. Zavarivanje je izvedeno u pravcu valjanja ploča, na alatnoj glodalici prilagođenoj postupku FSW. Dužina svakog zavarenog spoja iznosila je oko 210 mm. Korišćena su dva alata sa veoma slično profilisanim trnovima. Razlika u dizajnu trna alata je u obliku zavojnice, normalna (klasična) kod alata oznake 310 odnosno zaobljena za alat 310-O. Zavarivanje je izvedeno pri brzini rotacije alata od 750 o/min i brzinama zavarivanja 73 i 93 mm/min. Ukupno su zavarene četiri kombinacije spojeva. U svim slučajevima dobijen je zavareni spoj bez prisustva grešaka, sa glatkom odnosno delimično hrapavom površinom zavara. Prisutne su tri različite oblasti u spoju - grumen, zona termomehaničkog uticaja i zona uticaja toplote. Promene u dizajnu trna alata imaju znatnog uticaja na makrostrukturu spoja i raspodelu tvrdoće kroz spoj. Mapiranjem spoja, na osnovu raspodele tvrdoće, određene su oblasti sa najnižim vrednostima tvrdoće a nalaze se u neposrednoj blizini grumena, tačnije na liniji dodira grumena i zone termomehaničkog uticaja. Položaj oblasti najmanje tvrdoće je u saglasnosti sa mestom preloma zateznih epruveta. Efikasnost spoja, kao ocena kvaliteta spoja, je veća kod spojeva zavarenih alatom 310. U zavisnosti od alata, pri istim parametrima zavarivanja dobijene su različite vrednosti zateznih čvrstoća a razlika iznosi do 13%. Pokazano je da mala modifikacija u dizajnu trna alata ima velikog uticaja na formiranje spoja i njegove mehaničke karakteristike.",
publisher = "Association of Chemical Engineers of Serbia",
journal = "Hemijska industrija",
title = "Influence of pin geometry on mechanical and structural properties of butt friction stir welded 2024-T351 aluminum alloy, Uticaj geometrije trna alata na mehaničke i strukturne karakteristike sučeonog spoja aluminijumske legure 2024-T351 zavarenog postupkom FSW",
pages = "330-323",
number = "3",
volume = "69",
doi = "10.2298/HEMIND131206020R"
}

Radisavljević, I., Živković, A., Grabulov, V.,& Radović, N.. (2015). Influence of pin geometry on mechanical and structural properties of butt friction stir welded 2024-T351 aluminum alloy. in Hemijska industrija
Association of Chemical Engineers of Serbia., 69(3), 323-330.
https://doi.org/10.2298/HEMIND131206020R

Radisavljević I, Živković A, Grabulov V, Radović N. Influence of pin geometry on mechanical and structural properties of butt friction stir welded 2024-T351 aluminum alloy. in Hemijska industrija. 2015;69(3):323-330.
doi:10.2298/HEMIND131206020R .

Radisavljević, Igor, Živković, Aleksandar, Grabulov, Vencislav, Radović, Nenad, "Influence of pin geometry on mechanical and structural properties of butt friction stir welded 2024-T351 aluminum alloy" in Hemijska industrija, 69, no. 3 (2015):323-330,
https://doi.org/10.2298/HEMIND131206020R . .

TY  - JOUR
AU  - Alil, Ana
AU  - Popović, Miljana
AU  - Radetić, Tamara
AU  - Romhanji, Endre
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6214
AB  - In this study, fully annealed AA5083 type alloy sheets with 1 mm in thickness
were processed by accumulative roll bonding (ARB) at room temperature, up to 6 ARB
cycles. It was found that microstructure was refined and mechanical properties were
significantly improved with ARB processing. The maximum achieved values of
hardness and tensile strength were two and three times greater than that of the initial
material, respectively. This was attributed to the intensive strain hardening and grain
size refinement which occurred during ARB deformation. However, the uniform
elongation values were decreased by increasing the number of ARB cycles, and early
fracture was registered. SEM fractography of fractured surfaces after tensile tests
revealed a typical ductile fracture of ARB processed specimens, which was changed
with ARB deformation. It was observed that ductile area on the fractured surfaces and
the amount of necking, which occured before fracture, were decreased with increasing
the number of ARB cycles.
PB  - Association of Metallurgical Engineers of Serbia AMES
T2  - Metallurgical and Materials Engineering
T1  - Influence of an accumulative roll bonding (ARB) process on the properties of AA5083 Al-Mg alloy sheets
EP  - 295
IS  - 4
SP  - 285
VL  - 20
DO  - 10.5937/metmateng1404285a
ER  - 

@article{
author = "Alil, Ana and Popović, Miljana and Radetić, Tamara and Romhanji, Endre",
year = "2014",
abstract = "In this study, fully annealed AA5083 type alloy sheets with 1 mm in thickness
were processed by accumulative roll bonding (ARB) at room temperature, up to 6 ARB
cycles. It was found that microstructure was refined and mechanical properties were
significantly improved with ARB processing. The maximum achieved values of
hardness and tensile strength were two and three times greater than that of the initial
material, respectively. This was attributed to the intensive strain hardening and grain
size refinement which occurred during ARB deformation. However, the uniform
elongation values were decreased by increasing the number of ARB cycles, and early
fracture was registered. SEM fractography of fractured surfaces after tensile tests
revealed a typical ductile fracture of ARB processed specimens, which was changed
with ARB deformation. It was observed that ductile area on the fractured surfaces and
the amount of necking, which occured before fracture, were decreased with increasing
the number of ARB cycles.",
publisher = "Association of Metallurgical Engineers of Serbia AMES",
journal = "Metallurgical and Materials Engineering",
title = "Influence of an accumulative roll bonding (ARB) process on the properties of AA5083 Al-Mg alloy sheets",
pages = "295-285",
number = "4",
volume = "20",
doi = "10.5937/metmateng1404285a"
}

Alil, A., Popović, M., Radetić, T.,& Romhanji, E.. (2014). Influence of an accumulative roll bonding (ARB) process on the properties of AA5083 Al-Mg alloy sheets. in Metallurgical and Materials Engineering
Association of Metallurgical Engineers of Serbia AMES., 20(4), 285-295.
https://doi.org/10.5937/metmateng1404285a

Alil A, Popović M, Radetić T, Romhanji E. Influence of an accumulative roll bonding (ARB) process on the properties of AA5083 Al-Mg alloy sheets. in Metallurgical and Materials Engineering. 2014;20(4):285-295.
doi:10.5937/metmateng1404285a .

Alil, Ana, Popović, Miljana, Radetić, Tamara, Romhanji, Endre, "Influence of an accumulative roll bonding (ARB) process on the properties of AA5083 Al-Mg alloy sheets" in Metallurgical and Materials Engineering, 20, no. 4 (2014):285-295,
https://doi.org/10.5937/metmateng1404285a . .

TY  - JOUR
AU  - Halap, Akram
AU  - Popović, Miljana
AU  - Radetić, Tamara
AU  - Vascić, Veselin
AU  - Romhanji, Endre
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2555
AB  - Exfoliation and pitting corrosion were tested on an AA5083-type alloy sheet, after applying different thermo-mechanical treatments. Hot-rolled plates were laboratory cold rolled with 16-54 % reductions, and subsequently annealed for 2 h in the temperature range from 220 degrees C to 280 degrees C. The performed tests have shown that an unacceptable exfoliation and a corrosion susceptibility were developed after the 54 % deformation and low-temperature annealing at 220 degrees C. However, no severe exfoliation was observed after the cold rolling with low deformations, independent of the applied annealing temperature. The pitting corrosion was less agressive, and the highest degree of the pitting attack was not experienced for the tested alloy. A slight tendency to pitting was detected after the high cold deformation and high-temperature annealing for the samples with recrystallized but significantly flattened grain structures.
PB  - Institute of Metals and Technology
T2  - Materiali in Tehnologije
T1  - Influence of the thermo-mechanical treatment on the exfoliation and pitting corrosion of an aa5083-type alloy
EP  - 483
IS  - 4
SP  - 479
VL  - 48
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2555
ER  - 

@article{
author = "Halap, Akram and Popović, Miljana and Radetić, Tamara and Vascić, Veselin and Romhanji, Endre",
year = "2014",
abstract = "Exfoliation and pitting corrosion were tested on an AA5083-type alloy sheet, after applying different thermo-mechanical treatments. Hot-rolled plates were laboratory cold rolled with 16-54 % reductions, and subsequently annealed for 2 h in the temperature range from 220 degrees C to 280 degrees C. The performed tests have shown that an unacceptable exfoliation and a corrosion susceptibility were developed after the 54 % deformation and low-temperature annealing at 220 degrees C. However, no severe exfoliation was observed after the cold rolling with low deformations, independent of the applied annealing temperature. The pitting corrosion was less agressive, and the highest degree of the pitting attack was not experienced for the tested alloy. A slight tendency to pitting was detected after the high cold deformation and high-temperature annealing for the samples with recrystallized but significantly flattened grain structures.",
publisher = "Institute of Metals and Technology",
journal = "Materiali in Tehnologije",
title = "Influence of the thermo-mechanical treatment on the exfoliation and pitting corrosion of an aa5083-type alloy",
pages = "483-479",
number = "4",
volume = "48",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2555"
}

Halap, A., Popović, M., Radetić, T., Vascić, V.,& Romhanji, E.. (2014). Influence of the thermo-mechanical treatment on the exfoliation and pitting corrosion of an aa5083-type alloy. in Materiali in Tehnologije
Institute of Metals and Technology., 48(4), 479-483.
https://hdl.handle.net/21.15107/rcub_technorep_2555

Halap A, Popović M, Radetić T, Vascić V, Romhanji E. Influence of the thermo-mechanical treatment on the exfoliation and pitting corrosion of an aa5083-type alloy. in Materiali in Tehnologije. 2014;48(4):479-483.
https://hdl.handle.net/21.15107/rcub_technorep_2555 .

Halap, Akram, Popović, Miljana, Radetić, Tamara, Vascić, Veselin, Romhanji, Endre, "Influence of the thermo-mechanical treatment on the exfoliation and pitting corrosion of an aa5083-type alloy" in Materiali in Tehnologije, 48, no. 4 (2014):479-483,
https://hdl.handle.net/21.15107/rcub_technorep_2555 .

TY  - JOUR
AU  - Halap, Akram
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Romhanji, Endre
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2690
AB  - In this study, the effect of thermomechanical treatment on intergranular corrosion (IGC) susceptibility of the Zn-modified Al-5.1 wt pct Mg-0.7 wt pct Mn alloy plates was investigated. The specimens underwent varied amounts of cold work, while final annealing was conducted in the 493 K to 533 K (220 A degrees C to 260 A degrees C) temperature range. It was shown that the extent of cold work, especially at lower temperatures of treatment, had a profound effect on the corrosion resistance of the alloy. Such observation was in direct correlation with the morphology of precipitated ternary grain boundary phase (Al-Mg-Zn). Microstructural characterization showed that, depending on the amount of cold work, different deformation substructures were created, which, in turn, influenced kinetics and the mechanism of precipitation. Wetting of the grain boundaries by the ternary grain boundary phase (Al-Mg-Zn) was a signature of the IGC susceptible state and occurred in the specimens that were subjected to a lower degree of cold work. The specimens that underwent a higher degree of cold work (over 30 pct) showed superior corrosion resistance as a result of ternary grain boundary phase (Al-Mg-Zn) precipitation in the form of discrete particles at the grain boundaries as well as in grain interiors.
PB  - Springer, New York
T2  - Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science
T1  - Influence of the Thermomechanical Treatment on the Intergranular Corrosion Susceptibility of Zn-Modified Al-5.1 Wt Pct Mg-0.7 Wt Pct Mn Alloy Sheet
EP  - 4579
IS  - 10
SP  - 4572
VL  - 45A
DO  - 10.1007/s11661-014-2386-y
ER  - 

@article{
author = "Halap, Akram and Radetić, Tamara and Popović, Miljana and Romhanji, Endre",
year = "2014",
abstract = "In this study, the effect of thermomechanical treatment on intergranular corrosion (IGC) susceptibility of the Zn-modified Al-5.1 wt pct Mg-0.7 wt pct Mn alloy plates was investigated. The specimens underwent varied amounts of cold work, while final annealing was conducted in the 493 K to 533 K (220 A degrees C to 260 A degrees C) temperature range. It was shown that the extent of cold work, especially at lower temperatures of treatment, had a profound effect on the corrosion resistance of the alloy. Such observation was in direct correlation with the morphology of precipitated ternary grain boundary phase (Al-Mg-Zn). Microstructural characterization showed that, depending on the amount of cold work, different deformation substructures were created, which, in turn, influenced kinetics and the mechanism of precipitation. Wetting of the grain boundaries by the ternary grain boundary phase (Al-Mg-Zn) was a signature of the IGC susceptible state and occurred in the specimens that were subjected to a lower degree of cold work. The specimens that underwent a higher degree of cold work (over 30 pct) showed superior corrosion resistance as a result of ternary grain boundary phase (Al-Mg-Zn) precipitation in the form of discrete particles at the grain boundaries as well as in grain interiors.",
publisher = "Springer, New York",
journal = "Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science",
title = "Influence of the Thermomechanical Treatment on the Intergranular Corrosion Susceptibility of Zn-Modified Al-5.1 Wt Pct Mg-0.7 Wt Pct Mn Alloy Sheet",
pages = "4579-4572",
number = "10",
volume = "45A",
doi = "10.1007/s11661-014-2386-y"
}

Halap, A., Radetić, T., Popović, M.,& Romhanji, E.. (2014). Influence of the Thermomechanical Treatment on the Intergranular Corrosion Susceptibility of Zn-Modified Al-5.1 Wt Pct Mg-0.7 Wt Pct Mn Alloy Sheet. in Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science
Springer, New York., 45A(10), 4572-4579.
https://doi.org/10.1007/s11661-014-2386-y

Halap A, Radetić T, Popović M, Romhanji E. Influence of the Thermomechanical Treatment on the Intergranular Corrosion Susceptibility of Zn-Modified Al-5.1 Wt Pct Mg-0.7 Wt Pct Mn Alloy Sheet. in Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science. 2014;45A(10):4572-4579.
doi:10.1007/s11661-014-2386-y .

Halap, Akram, Radetić, Tamara, Popović, Miljana, Romhanji, Endre, "Influence of the Thermomechanical Treatment on the Intergranular Corrosion Susceptibility of Zn-Modified Al-5.1 Wt Pct Mg-0.7 Wt Pct Mn Alloy Sheet" in Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 45A, no. 10 (2014):4572-4579,
https://doi.org/10.1007/s11661-014-2386-y . .

TY  - JOUR
AU  - Eramah, Abdsalam M.
AU  - Rakin, Marko
AU  - Veljić, Darko
AU  - Tadić, Srđan
AU  - Radović, Nenad
AU  - Zrilić, Milorad
AU  - Perović, Milenko
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2676
AB  - The aim of this work is to analyse the process of friction stir welding (FSW) of 3 mm thick aluminium plates made of high strength aluminium alloy - 2024 T3, as well as to assess the mechanical properties of the produced joints. Friction Stir Welding is a modern procedure which enables joining of similar and dissimilar materials in the solid state, by the combined action of heat and mechanical work. This paper presents an analysis of the experimental results obtained by testing the butt welded joints. Tensile strength of the produced joints is assessed, as well as the distribution of hardness, micro-and macrostructure through the joints (in the base material, nugget, heat affected zone and thermo-mechanically affected zone). Different combinations of the tool rotation speed and the welding speed are used, and the dependence of the properties of the joints on these parameters of welding technology is determined.
PB  - Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd
T2  - Thermal Science
T1  - Influence of friction stir welding parameters on properties of 2024 t3 aluminium alloy joints
EP  - S28
SP  - S21
VL  - 18
DO  - 10.2298/TSCI130307170E
ER  - 

@article{
author = "Eramah, Abdsalam M. and Rakin, Marko and Veljić, Darko and Tadić, Srđan and Radović, Nenad and Zrilić, Milorad and Perović, Milenko",
year = "2014",
abstract = "The aim of this work is to analyse the process of friction stir welding (FSW) of 3 mm thick aluminium plates made of high strength aluminium alloy - 2024 T3, as well as to assess the mechanical properties of the produced joints. Friction Stir Welding is a modern procedure which enables joining of similar and dissimilar materials in the solid state, by the combined action of heat and mechanical work. This paper presents an analysis of the experimental results obtained by testing the butt welded joints. Tensile strength of the produced joints is assessed, as well as the distribution of hardness, micro-and macrostructure through the joints (in the base material, nugget, heat affected zone and thermo-mechanically affected zone). Different combinations of the tool rotation speed and the welding speed are used, and the dependence of the properties of the joints on these parameters of welding technology is determined.",
publisher = "Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd",
journal = "Thermal Science",
title = "Influence of friction stir welding parameters on properties of 2024 t3 aluminium alloy joints",
pages = "S28-S21",
volume = "18",
doi = "10.2298/TSCI130307170E"
}

Eramah, A. M., Rakin, M., Veljić, D., Tadić, S., Radović, N., Zrilić, M.,& Perović, M.. (2014). Influence of friction stir welding parameters on properties of 2024 t3 aluminium alloy joints. in Thermal Science
Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd., 18, S21-S28.
https://doi.org/10.2298/TSCI130307170E

Eramah AM, Rakin M, Veljić D, Tadić S, Radović N, Zrilić M, Perović M. Influence of friction stir welding parameters on properties of 2024 t3 aluminium alloy joints. in Thermal Science. 2014;18:S21-S28.
doi:10.2298/TSCI130307170E .

Eramah, Abdsalam M., Rakin, Marko, Veljić, Darko, Tadić, Srđan, Radović, Nenad, Zrilić, Milorad, Perović, Milenko, "Influence of friction stir welding parameters on properties of 2024 t3 aluminium alloy joints" in Thermal Science, 18 (2014):S21-S28,
https://doi.org/10.2298/TSCI130307170E . .

TY  - JOUR
AU  - Veljić, Darko
AU  - Sedmak, Aleksandar
AU  - Rakin, Marko
AU  - Bajić, Nikola
AU  - Međo, Bojan
AU  - Bajić, Darko
AU  - Grabulov, Vencislav
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2678
AB  - This paper presents experimental and numerical analysis of the change of temperature and force in the vertical direction during the friction stir welding of high-strength aluminium alloy 2024 T3. This procedure confirmed the correctness of the numerical model, which is subsequently used for analysis of the temperature field in the welding zone, where it is different to determine the temperature experimentally. 3D finite element model is developed using the software package Abaqus; arbitrary Lagrangian-Eulerian formulation is applied. Johnson-Cook material law and Coulomb's Law of friction are used for modelling the material behaviour. Temperature fields are symmetrical with respect to the welding line. The temperature values below the tool shoulder, i.e. in the welding zone, which are reached during the plunge stage, are approximately constant during the entire welding process and lie within the interval 430-502 degrees C. The temperature of the material in the vicinity of the tool is about 500 degrees C, while the values on the top surface of the welding plates (outside the welding zone, but close to the tool shoulder) are about 400 degrees C. The temperature difference between the top and bottom surface of the plates is small, 10-15 degrees C.
PB  - Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd
T2  - Thermal Science
T1  - Experimental and numerical thermo - mechanical analysis of friction stir welding of high - strength alluminium alloy
EP  - S38
SP  - S29
VL  - 18
DO  - 10.2298/TSCI130512171V
ER  - 

@article{
author = "Veljić, Darko and Sedmak, Aleksandar and Rakin, Marko and Bajić, Nikola and Međo, Bojan and Bajić, Darko and Grabulov, Vencislav",
year = "2014",
abstract = "This paper presents experimental and numerical analysis of the change of temperature and force in the vertical direction during the friction stir welding of high-strength aluminium alloy 2024 T3. This procedure confirmed the correctness of the numerical model, which is subsequently used for analysis of the temperature field in the welding zone, where it is different to determine the temperature experimentally. 3D finite element model is developed using the software package Abaqus; arbitrary Lagrangian-Eulerian formulation is applied. Johnson-Cook material law and Coulomb's Law of friction are used for modelling the material behaviour. Temperature fields are symmetrical with respect to the welding line. The temperature values below the tool shoulder, i.e. in the welding zone, which are reached during the plunge stage, are approximately constant during the entire welding process and lie within the interval 430-502 degrees C. The temperature of the material in the vicinity of the tool is about 500 degrees C, while the values on the top surface of the welding plates (outside the welding zone, but close to the tool shoulder) are about 400 degrees C. The temperature difference between the top and bottom surface of the plates is small, 10-15 degrees C.",
publisher = "Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd",
journal = "Thermal Science",
title = "Experimental and numerical thermo - mechanical analysis of friction stir welding of high - strength alluminium alloy",
pages = "S38-S29",
volume = "18",
doi = "10.2298/TSCI130512171V"
}

Veljić, D., Sedmak, A., Rakin, M., Bajić, N., Međo, B., Bajić, D.,& Grabulov, V.. (2014). Experimental and numerical thermo - mechanical analysis of friction stir welding of high - strength alluminium alloy. in Thermal Science
Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd., 18, S29-S38.
https://doi.org/10.2298/TSCI130512171V

Veljić D, Sedmak A, Rakin M, Bajić N, Međo B, Bajić D, Grabulov V. Experimental and numerical thermo - mechanical analysis of friction stir welding of high - strength alluminium alloy. in Thermal Science. 2014;18:S29-S38.
doi:10.2298/TSCI130512171V .

Veljić, Darko, Sedmak, Aleksandar, Rakin, Marko, Bajić, Nikola, Međo, Bojan, Bajić, Darko, Grabulov, Vencislav, "Experimental and numerical thermo - mechanical analysis of friction stir welding of high - strength alluminium alloy" in Thermal Science, 18 (2014):S29-S38,
https://doi.org/10.2298/TSCI130512171V . .

TY  - JOUR
AU  - Veljić, Darko
AU  - Sedmak, Aleksandar
AU  - Rakin, Marko
AU  - Radović, Nenad
AU  - Bajić, Nikola
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2342
AB  - The aim of this paper is to analyze changes of vertical force and temperature during friction stir welding process of high strength aluminum alloys (2024 T3). FSW process is a complex nonlinear process accompanied by large plastic deformation, high temperatures and plastic material flow in the welding zone. It is the procedure of material connecting in the so-called solid phase, through the combined action of heat and mechanical work. Analysis of force and temperature changes during the process of welding allows better understanding and control of the process. This paper analyzes the change of force in the vertical direction using a dynamometer and temperature changes on the upper surface of the working panel near the tops of the roller tool using thermal imaging cameras.
AB  - Cilj rada je analiza promene vertikalne sile i temperature tokom procesa zavarivanja trenjem mešanjem (FSW) legura aluminijuma visoke čvrstoće (2024 T3). FSW postupak je složen nelinearan proces praćen velikim plastičnim deformacijama, visokim temperaturama i plastičnim tečenjem materijala u zoni zavarivanja. To je postupak spajanja materijala u tzv. čvrstoj fazi, kombinovanim delovanjem toplote i mehaničkog rada. Analiza promene sile i temperature tokom procesa zavarivanja omogućava bolje razumevanje i kontrolu samog procesa. U radu je analizirana i praćena promena sile u vertikalnom pravcu pomoću dinamometra i promena temperature na gornjoj površini radne ploče u blizini čela valjka alata pomoću termovizijske kamere.
PB  - DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd
T2  - Zavarivanje i zavarene konstrukcije
T1  - Change of temperature and vertical force during friction stir welding
T1  - Promena temperature i vertikalne sile tokom procesa zavarivanja trenjem mešanjem
EP  - 59
IS  - 2
SP  - 53
VL  - 58
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2342
ER  - 

@article{
author = "Veljić, Darko and Sedmak, Aleksandar and Rakin, Marko and Radović, Nenad and Bajić, Nikola",
year = "2013",
abstract = "The aim of this paper is to analyze changes of vertical force and temperature during friction stir welding process of high strength aluminum alloys (2024 T3). FSW process is a complex nonlinear process accompanied by large plastic deformation, high temperatures and plastic material flow in the welding zone. It is the procedure of material connecting in the so-called solid phase, through the combined action of heat and mechanical work. Analysis of force and temperature changes during the process of welding allows better understanding and control of the process. This paper analyzes the change of force in the vertical direction using a dynamometer and temperature changes on the upper surface of the working panel near the tops of the roller tool using thermal imaging cameras., Cilj rada je analiza promene vertikalne sile i temperature tokom procesa zavarivanja trenjem mešanjem (FSW) legura aluminijuma visoke čvrstoće (2024 T3). FSW postupak je složen nelinearan proces praćen velikim plastičnim deformacijama, visokim temperaturama i plastičnim tečenjem materijala u zoni zavarivanja. To je postupak spajanja materijala u tzv. čvrstoj fazi, kombinovanim delovanjem toplote i mehaničkog rada. Analiza promene sile i temperature tokom procesa zavarivanja omogućava bolje razumevanje i kontrolu samog procesa. U radu je analizirana i praćena promena sile u vertikalnom pravcu pomoću dinamometra i promena temperature na gornjoj površini radne ploče u blizini čela valjka alata pomoću termovizijske kamere.",
publisher = "DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd",
journal = "Zavarivanje i zavarene konstrukcije",
title = "Change of temperature and vertical force during friction stir welding, Promena temperature i vertikalne sile tokom procesa zavarivanja trenjem mešanjem",
pages = "59-53",
number = "2",
volume = "58",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2342"
}

Veljić, D., Sedmak, A., Rakin, M., Radović, N.,& Bajić, N.. (2013). Change of temperature and vertical force during friction stir welding. in Zavarivanje i zavarene konstrukcije
DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd., 58(2), 53-59.
https://hdl.handle.net/21.15107/rcub_technorep_2342

Veljić D, Sedmak A, Rakin M, Radović N, Bajić N. Change of temperature and vertical force during friction stir welding. in Zavarivanje i zavarene konstrukcije. 2013;58(2):53-59.
https://hdl.handle.net/21.15107/rcub_technorep_2342 .

Veljić, Darko, Sedmak, Aleksandar, Rakin, Marko, Radović, Nenad, Bajić, Nikola, "Change of temperature and vertical force during friction stir welding" in Zavarivanje i zavarene konstrukcije, 58, no. 2 (2013):53-59,
https://hdl.handle.net/21.15107/rcub_technorep_2342 .

TY  - JOUR
AU  - Radisavljević, Igor
AU  - Živković, Aleksandar
AU  - Radović, Nenad
AU  - Grabulov, Vencislav
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2496
AB  - The influence of R/v ratio on joint quality in 2024-T351 aluminum alloy was studied. Specimens were subjected to friction stir welding with the rotation rates of 750, 950 and 1180 r/min and welding speed between 73 and 190 mm/min, providing R/v ratio between 5.00 and 10.27. The welded joints were tested by means of both non-destructive (visual, penetrant and X-ray inspection) and destructive (metallographic, tension and hardness) testing. In all specimens typical zones are revealed, with corresponding differences in grain size. Tensile efficiency of the joints obtained is in the range of 52.2% to 82.3%. The results show that the best quality is obtained at R/v ratio of 8.06, 10.17 and 10.27. This behavior is attributed to the assumption that the material flows around the pin with an optimal speed, i.e. sufficient amount of material is available to fill the gap and prevent tunnel formation. R/v ratio also showed influence on hardness distribution, onion features and crack initiation/propagation zones.
PB  - Elsevier, Amsterdam
T2  - Transactions of Nonferrous Metals Society of China
T1  - Influence of FSW parameters on formation quality and mechanical properties of Al 2024-T351 butt welded joints
EP  - 3539
IS  - 12
SP  - 3525
VL  - 23
DO  - 10.1016/S1003-6326(13)62897-6
ER  - 

@article{
author = "Radisavljević, Igor and Živković, Aleksandar and Radović, Nenad and Grabulov, Vencislav",
year = "2013",
abstract = "The influence of R/v ratio on joint quality in 2024-T351 aluminum alloy was studied. Specimens were subjected to friction stir welding with the rotation rates of 750, 950 and 1180 r/min and welding speed between 73 and 190 mm/min, providing R/v ratio between 5.00 and 10.27. The welded joints were tested by means of both non-destructive (visual, penetrant and X-ray inspection) and destructive (metallographic, tension and hardness) testing. In all specimens typical zones are revealed, with corresponding differences in grain size. Tensile efficiency of the joints obtained is in the range of 52.2% to 82.3%. The results show that the best quality is obtained at R/v ratio of 8.06, 10.17 and 10.27. This behavior is attributed to the assumption that the material flows around the pin with an optimal speed, i.e. sufficient amount of material is available to fill the gap and prevent tunnel formation. R/v ratio also showed influence on hardness distribution, onion features and crack initiation/propagation zones.",
publisher = "Elsevier, Amsterdam",
journal = "Transactions of Nonferrous Metals Society of China",
title = "Influence of FSW parameters on formation quality and mechanical properties of Al 2024-T351 butt welded joints",
pages = "3539-3525",
number = "12",
volume = "23",
doi = "10.1016/S1003-6326(13)62897-6"
}

Radisavljević, I., Živković, A., Radović, N.,& Grabulov, V.. (2013). Influence of FSW parameters on formation quality and mechanical properties of Al 2024-T351 butt welded joints. in Transactions of Nonferrous Metals Society of China
Elsevier, Amsterdam., 23(12), 3525-3539.
https://doi.org/10.1016/S1003-6326(13)62897-6

Radisavljević I, Živković A, Radović N, Grabulov V. Influence of FSW parameters on formation quality and mechanical properties of Al 2024-T351 butt welded joints. in Transactions of Nonferrous Metals Society of China. 2013;23(12):3525-3539.
doi:10.1016/S1003-6326(13)62897-6 .

Radisavljević, Igor, Živković, Aleksandar, Radović, Nenad, Grabulov, Vencislav, "Influence of FSW parameters on formation quality and mechanical properties of Al 2024-T351 butt welded joints" in Transactions of Nonferrous Metals Society of China, 23, no. 12 (2013):3525-3539,
https://doi.org/10.1016/S1003-6326(13)62897-6 . .