Electric current-induced annealing during uniaxial tension of aluminum alloy

Title
Electric current-induced annealing during uniaxial tension of aluminum alloy
Authors
Moon-Jo KimKeunho LeeKyu Hwan Oh최인석Hyeong-Ho YuSung-Tae HongHeung Nam Han
Keywords
Annealing; Aluminium alloys; Dislocation; Electroplasticity
Issue Date
2014-03
Publisher
Scripta materialia
Citation
VOL 75, 58-61
Abstract
The mechanical behavior of an aluminum alloy under a pulsed electric current was investigated by uniaxial tension and subsequent microstructural observations. The elongation increased drastically with softening of the flow stress under the electric current. Microstructural observations confirmed that the effect of Joule heating on this softening is not dominant and the recovery of dislocation occurs at a given current density. This study proves that the electric current itself could play a distinct role in inducing annealing apart from Joule heating.
URI
http://pubs.kist.re.kr/handle/201004/48325
ISSN
13596462
Appears in Collections:
KIST Publication > Article
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