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Precipitation Processes in Al-Mg-(Mn,Cu) Type Alloy Sheets Evaluated Through Electrical Resistivity Variations
dc.creator | Romhanji, Endre | |
dc.creator | Popović, Miljana | |
dc.creator | Stanojević, S. | |
dc.date.accessioned | 2021-03-10T11:21:34Z | |
dc.date.available | 2021-03-10T11:21:34Z | |
dc.date.issued | 2010 | |
dc.identifier.issn | 0195-9298 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1677 | |
dc.description.abstract | Precipitation/dissolution processes were followed by electrical resistivity variations in Al-Mg-(Mn)-Cu and Al-Mg-Mn type alloy sheets after different thermo-mechanical treatments (TMTs). In order to get an insight into the precipitation processes during processing of Al-Mg type alloys, some samples were solution treated at 535A degrees C/1 h, and some of them were recrystallization annealed at 320A degrees A center dot 350A degrees C/3 h. After that all the samples were treated in a same manner: cold rolling to 50-60% and final annealing at temperatures in the range of 220A degrees A center dot 470A degrees C/3 h. It was supposed that the structure of samples pre-treated by recrystallization annealing at 320A degrees/350A degrees C is characterized with S type (Al(2)MgCu) phases in the Al-Mg-(Mn)-Cu alloys and with beta'/beta (Mg(5)Al(8)) phases in the Al-Mg-Mn alloys. These structure features are rather unchangeable during the subsequent cold rolling and annealing treatments in the temperature range of 220A degrees A center dot 320A degrees C. During annealing at higher temperatures (such as 470A degrees C) precipitation of Mn-bearing particles (MnAl(6) or (Fe,Mn)Al(6)) might occur in both type of alloys. After solution treatment at 535A degrees C most of the alloying elements are dissolved into solid solution, thus inducing a high potential for precipitation processes during annealing at 220A degrees A center dot 470A degrees C. The cold deformation was found to contribute the electrical resistivity intensively at the beginning of deformation (in the range up to similar to 20%), and it was not influenced by the chemical composition of tested alloys. The resistivity variations with the cold deformation were fitted by power-law equations. | en |
dc.publisher | Springer/Plenum Publishers, New York | |
dc.rights | restrictedAccess | |
dc.source | Journal of Nondestructive Evaluation | |
dc.subject | Al-Mg-(Mn,Cu) alloys | en |
dc.subject | Precipitation | en |
dc.subject | Electrical resistivity | en |
dc.title | Precipitation Processes in Al-Mg-(Mn,Cu) Type Alloy Sheets Evaluated Through Electrical Resistivity Variations | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 48 | |
dc.citation.issue | 1 | |
dc.citation.other | 29(1): 43-48 | |
dc.citation.rank | M22 | |
dc.citation.spage | 43 | |
dc.citation.volume | 29 | |
dc.identifier.doi | 10.1007/s10921-010-0064-6 | |
dc.identifier.scopus | 2-s2.0-77649274074 | |
dc.identifier.wos | 000274904100005 | |
dc.type.version | publishedVersion |