In-situ evaluation of Luders band associated with martensitic transformation in a medium Mn transformation-induced plasticity steel

被引：62
|
作者：
Wang, X. G. [1 ,2 ]
Wang, L. [3 ]
Huang, M. X. [2 ,4 ]
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
[3] Baosteel Res Inst, State Key Lab Dev and Applicat Technol Automot St, Shanghai 201900, Peoples R China
[4] Univ Hong Kong, Shenzhen Inst Res & Innovat, Shenzhen, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2016年 / 674卷
基金：
中国国家自然科学基金;
关键词：
Mn TRIP steel; Luders band; Martensitic transformation; DIC; Energy dissipation; AUSTENITE STABILITY; STORED ENERGY; DEFORMATION; STRAIN; PROPAGATION; BEHAVIOR; ALLOY; WORK; HEAT; NITI;
D O I：
10.1016/j.msea.2016.07.054
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Full-field strain and heat source measurement were used concurrently to investigate in-situ the propagation of Luders band in a medium Mn transformation-induced plasticity (TRIP) steel. The local strain in the Luders band was provided by the full-field strain measurement while the heat source in the Luders band was estimated from temperature field. Martensitic transformation in the Luders band is studied in situ for the first time based on energy balance analysis. The combination of full-field strain and heat source measurement provides a novel and effective means to investigate in-situ the mechanism of Luders band associated with martensitic transformation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：59 / 63
页数：5
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