Effect of grain and twin boundaries on the hardening mechanisms of twinning-induced plasticity steels

被引：674

作者：

Bouaziz, O. ^{[1
]}

Allain, S. ^{[1
]}

Scott, C. ^{[1
]}

机构：

[1] Arcelor Res, F-57283 Maizieres Les Metz, France

来源：

SCRIPTA MATERIALIA | 2008年 / 58卷 / 06期

关键词：

TWIP; grain size; Bauschinger effect; behaviour; modelling;

D O I：

10.1016/j.scriptamat.2007.10.050

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

New experimental data related to the grain size and the Bauschinger effects have been obtained from a high-manganese austenitic twinning-induced plasticity steel. As the data show a strong contribution of kinematic hardening to the mechanical behaviour, a new physical-based model describing the isotropic and kinematic hardening is presented and validated in relation to the grain size and the twin spacing during straining. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：484 / 487

页数：4

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