Title
On the stress state dependence of the twinning rate and work hardening in twinning-induced plasticity steels On the stress state dependence of the twinning rate and work hardening in twinning-induced plasticity steels
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Oxford ,
Subject
Physics
Engineering sciences. Technology
Source (journal)
Scripta materialia. - Oxford
Volume/pages
66(2012) :12 , p. 966-971
ISSN
1359-6462
ISI
000304641500004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The influence of the stress state on the twinning rate and work hardening is studied in the case of an FeMnC TWIP steel strained in uniaxial tension, simple shear and rolling. The resulting stressstrain responses exhibit marked differences. The twinning rate, number of activated twinning systems in each grain, twin thickness and transmission of twins across grain boundaries are dependent on the imposed stress state during straining. Relationships between twin features and macroscopic work hardening rate are established.
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