Influence of strain-induced retained austenite transformation on the dynamic tensile behaviour of TRIP-aided steels

被引：2
|
作者：
Wei, Xicheng [1 ]
Xie, Oun
Zhang, Mei
Li, Lin
Wollants, Patrick
机构：
[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China
[2] Katholieke Univ Leuven, Dept MTM, B-3001 Louvain, Belgium
来源：
STEEL RESEARCH INTERNATIONAL | 2007年 / 78卷 / 07期
关键词：
transformation induced plasticity; strain rate; retained austenite; strain-hardening index;
D O I：
10.1002/srin.200706247
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Tensile tests for two commercial TRIP-aided steels with the compositions of 0.091%C-1.456%Si-1.061%Mn and 0.134%C-1.525%Si-1.226%Mn in the strain rate range of 10(-4)-10(3) S-1 were performed. Results for a pneumatic indirect bar-bar tensile impact tester displayed sensitivity of tensile properties to strain-rate within the testing range. XRD analysis for the relationship between the strain-hardening exponent and the strain-induced transformation of retained austenite suggested significant influence of the transformation of retained austenite on their work-hardening behaviour.
引用
收藏
页码：554 / 559
页数：6
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