Journal
SCRIPTA MATERIALIA
Volume 62, Issue 7, Pages 500-503Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.12.026
Keywords
Dislocation dynamics; Austenitic steels; TWIP; Thermally activated processes
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Thermally activated dislocation dynamics in austenitic FeMnC steels is investigated based on a collection of tensile yield stresses at different temperatures and strain rates of numerous steels available in the literature. A classical viscoplastic potential is suitable to describe the phenomena in binary FeMn alloys. The description of ternary FeMnC alloys is more complex as two basic mechanisms should be involved. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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