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Influence of the thermo-mechanical treatment on the exfoliation and pitting corrosion of an aa5083-type alloy

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2014
2552.pdf (242.2Kb)
Authors
Halap, Akram
Popović, Miljana
Radetić, Tamara
Vascić, Veselin
Romhanji, Endre
Article (Published version)
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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.
Keywords:
AA5083 alloy / thermo-mechanical treatment / exfoliation / pitting
Source:
Materiali in Tehnologije, 2014, 48, 4, 479-483
Publisher:
  • Institute of Metals and Technology
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia
  • Design of processing and welding of the high strength Al-Mg alloys for road and railway trasportation applications (RS-34018)

ISSN: 1580-2949

PubMed:

WoS: 000341068600005

Scopus: 2-s2.0-84906916581
[ Google Scholar ]
5
5
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2555
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
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  - conv_6557
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 = "conv_6557"
}
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.
conv_6557
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.
conv_6557 .
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,
conv_6557 .

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