Structure and Mechanical Properties of High-Strength Austenitic-Martensitic Trip-Steel VNS9-Sh

被引：0
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作者：
P. S. Kusakin
V. F. Terent’ev
机构：
[1] Belgogrod State University,
[2] A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences,undefined
来源：
Metal Science and Heat Treatment | 2019年 / 61卷
关键词：
austenitic-martensitic TRIP-steel; phase composition; EBSD method; microstructure; mechanical properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The structure and mechanical properties of cold-rolled thin-sheet austenitic-martensitic trip-steel VNS9-Sh are studied. The method of electron back-scatter diffraction (EBSD) is used to determine the substructural state of the steel represented by mechanically hardened metastable austenite with a great number of strain twins and strain α′-martensite. The preferred places of nucleation of strain martensite in the range of intersection of strain twins and shear bands are detected. The mechanical properties of steel VNS9-Sh and the main deformation stages, i.e., microscopic yield, yield (Luders–Chernov strain) and strain hardening are determined.
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页码：10 / 14
页数：4
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