Journal
SCRIPTA MATERIALIA
Volume 65, Issue 12, Pages 1073-1076Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.09.019
Keywords
Cu addition; Twinning kinetics; Physically based constitutive model; Twinning-induced plasticity steel
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Funding
- WCU (World Class University) through National Research Foundation of Korea
- Ministry of Education, Science and Technology [R32-10147]
- POSCO
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The effect of the addition of copper on the mechanical behavior of a Fe-12%Mn-0.7%C-1.0%Al twinning-induced plasticity steel was investigated by analysis of the mechanical properties obtained in uniaxial tensile tests by means of a physically based constitutive model. The addition of copper was found to retard the kinetics of twin formation and influenced the type of serrations on the stress strain curve. The copper additions also resulted in a remarkable increase in total elongation without a loss of strength. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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