On the deformation mechanism of twinning-induced plasticity steel

被引：9
|
作者：
Wang, X. D. [1 ]
Huang, B. X. [1 ,2 ]
Rong, Y. H. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200030, Peoples R China
[2] Liaocheng Univ, Sch Chem & Chem Engn, Liaocheng, Peoples R China
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 2008年 / 88卷 / 11期
基金：
中国国家自然科学基金;
关键词：
deformation mechanisms; microstructural characterization; XRD; TEM; twinning;
D O I：
10.1080/09500830802438123
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructures of an Fe-20Mn-2Si-2Al Twinning-Induced Plasticity (TWIP) steel deformed at different temperature were characterized by X-ray Diffraction (XRD) and Transmission Electron Microscopy (TEM). Based on microstructural features revealed at various characteristic temperature regions of deformation, the necessary and sufficient conditions of TWIP effect are proposed. Likewise, the competitive characteristic deformation mechanism occurring in this TWIP steel is presented and discussed qualitatively in terms of phase stability and stacking fault energy of the austenitic matrix.
引用
收藏
页码：845 / 851
页数：7
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