Anisotropy of Retained Austenite Stability during Transformation to Martensite in a TRIP-Assisted Steel

被引：10
|
作者：
Emadoddin, Esmaeil [1 ]
Akbarzadeh, Abbas [2 ]
Petrov, Roumen [3 ]
Zhao, Lie [4 ,5 ]
机构：
[1] Semnan Univ, Fac Mat & Engn, Semnan, Iran
[2] Sharif Univ Technol, Fac Mat Sci & Engn, Tehran, Iran
[3] Univ Ghent, Dept Met & Mat Sci, B-9000 Ghent, Belgium
[4] Delft Univ Technol TU Delft, Dept Mat Sci & Engn, Delft, Netherlands
[5] Mat Innovat Inst, NL-2628 CD Delft, Netherlands
来源：
STEEL RESEARCH INTERNATIONAL | 2013年 / 84卷 / 03期
关键词：
TRIP steel; stability of retained austenite; texture; anisotropy; MECHANICAL-PROPERTIES; HEAT-TREATMENT; INDUCED PLASTICITY; MICROSTRUCTURE; TEXTURE; FORMABILITY; STRENGTH; SHEETS;
D O I：
10.1002/srin.201200197
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Retained austenite as a key constituent in final microstructure plays an important role in TRansformation Induced Plasticity (TRIP) steels. The volume fraction, carbon concentration, size, and morphology of this phase are the well-known parameters which effects on the rate of transformation of retained austenite to martensite and the properties of steel, are studied by many researchers. Of the transformation of retained austenite to martensite under strain in a TRIP steel is studied in this paper. The experimental results show that the transformation rate of retained, austenite with similar characteristics, to martensite in differently processed TRIP steel samples, exhibits an anisotropic behavior. This phenomenon implies a kind of variant selection of martensitic reaction of retained austenite under strain and is explained by ferrite texture developed in steel.
引用
收藏
页码：297 / 303
页数：7
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