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


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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.

作者简介

P. Kusakin

Belgogrod State University

Email: fatig@mail.ru
俄罗斯联邦, Belgorod

V. Terent’ev

A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

编辑信件的主要联系方式.
Email: fatig@mail.ru
俄罗斯联邦, Moscow

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