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Constitutive Modeling of the Stacking Fault Energy-Dependent Deformation Behavior of Fe-Mn-C-(Al) TWIP Steels

Authors
Kim, Jin-KyungEstrin, YuriDe Cooman, Bruno C.
Issue Date
Dec-2018
Publisher
ASM International
Citation
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, v.49A, no.12, pp.5919 - 5924
Indexed
SCIE
SCOPUS
Journal Title
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume
49A
Number
12
Start Page
5919
End Page
5924
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/5087
DOI
10.1007/s11661-018-4910-y
ISSN
1073-5623
Abstract
The present article proposes a constitutive model that includes the stacking fault energy (SFE)-dependence of the deformation behavior of Fe-Mn-C-(Al) TWIP steels. The different kinetics of the SFE-dependent strain hardening of twinned and twin-free grains are accounted for. The high flow stress of TWIP steels investigated is attributed to the combined effect of a large fraction of twinned grains and a low dynamic recovery rateboth effects being associated with its lowest SFE.
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Kim, Jin kyung
ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)
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