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

Xiao-gang Wang; Ming-xin Huang

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

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摘要

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

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《钢铁研究学报：英文版》 |2017年第11期|1073-1077|共5页
作者
Xiao-gang Wang; Ming-xin Huang;
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作者单位

State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body;

College ot Mechanical and Vehicle Engmeermg;

Hunan University;

Changsha 410082;

Hunan;

China;

Department of Mechanical Engineering;

The University of Hong Kong;

Pokfulam Road;

Hong Kong;

China;

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原文格式 PDF
正文语种 chi
中图分类钢的组织与性能;
关键词
Medium Mn steel; TRIP effect; Lüders band; Plastic instability; Martensitic transformation;

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

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