Discontinuous strain-induced martensite transformation related to the Portevin-Le Chatelier effect in a medium manganese steel

被引：139

作者：

Sun, Binhan ^{[1
]}

Vanderesse, Nicolas ^{[2
]}

Fazeli, Fateh ^{[3
]}

Scott, Colin ^{[3
]}

Chen, Jianqiang ^{[2
]}

Bocher, Philippe ^{[2
]}

Jahazi, Mohammad ^{[2
]}

Yue, Stephen ^{[1
]}

机构：

[1] McGill Univ, Dept Mat Engn, 3610 Univ St, Montreal, PQ H3A 0C5, Canada

[2] Ecole Technol Super, Dept Mech Engn, 1100 Notre Dame Ouest St, Montreal, PQ H3C 1K3, Canada

[3] Nat Resources Canada, CanmetMAT, 183 Longwood Rd South, Hamilton, ON L8P 0A5, Canada

来源：

SCRIPTA MATERIALIA | 2017年 / 133卷

关键词：

Medium Mn steels; Strain-induced martensite transformation; Portevin-Le Chatelier (PLC) effect; Digital image correlation; FE-MN-C; STACKING-FAULT ENERGY; MECHANICAL-PROPERTIES; AUSTENITE STABILITY; TENSILE PROPERTIES; DEFORMATION; BEHAVIOR; MICROSTRUCTURE;

D O I：

10.1016/j.scriptamat.2017.01.022

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The correlation between the strain-induced martensite transformation (SIMT) and the Portevin-Le Chatelier (PLC) effect during tensile testing of a ferrite-austenite duplex medium manganese (Mn) steel was investigated in this study. A discontinuous SIMT phenomenon (D-STMT) was observed in the steel by in situ magnetic induction measurements complemented with ex situ X-ray diffraction analysis. This unique behavior was due to the localized martensite formation in the PLC bands forming and propagating continuously during tensile straining. The PLC bands were characterized by the digital image correlation technique and their origin is further discussed. Crown Copyright (C) 2017 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.

引用

页码：9 / 13

页数：5

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