Temperature dependence of Luders strain and its correlation with martensitic transformation in a medium Mn transformation-induced plasticity steel

被引：23

作者：

Wang, Xiao-gang ^{[1
]}

Huang, Ming-xin ^{[2
]}

机构：

[1] Hunan Univ, Coll Mech & Vehicle Engn, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China

[2] Univ Hong Kong, Dept Mech Engn, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China

来源：

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2017年 / 24卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Medium Mn steel; TRIP effect; Luders hand; Plastic instability; Martensitic transformation; WORK-HARDENING BEHAVIOR; AUSTENITE STABILITY; RETAINED AUSTENITE; MECHANICAL-PROPERTIES; TENSILE BEHAVIOR; GRAIN-SIZE; MICROSTRUCTURE; TRIP; DEFORMATION; ALLOY;

D O I：

10.1016/S1006-706X(17)30156-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The Luders deformation behavior in a medium Mn transformation-induced plasticity (TRIP) steel is investigated at different temperatures ranging from 25 to 300 degrees C. It demonstrates that the Luders hand appears at all testing temperatures but with varied Luders strains which do not change monotonically with temperature. The martensitic transformation is simultaneously observed within the Luders hand in varying degrees depending on the testing temperature. It is well verified that the martensitic transformation is not responsible for the formation of Luders hand, and a reasonable explanation is given for the non-monotonic variation of Luders strain with increasing temperature.

引用

页码：1073 / 1077

页数：5

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