Mechanically induced martensitic transformation as a stress-driven process

被引：42

作者：

Geijselaers, H. J. M. ^{[1
]}

Perdahcioglu, E. S. ^{[1
]}

机构：

[1] Univ Twente, Fac Engn Technol, Sect Appl Mech, NL-7500 AE Enschede, Netherlands

来源：

SCRIPTA MATERIALIA | 2009年 / 60卷 / 01期

关键词：

TRIP; Metastable stainless steel; Martensitic phase transformation; CONSTITUTIVE MODEL; INDUCED PLASTICITY; STEELS; KINETICS; ALLOYS; STATE;

D O I：

10.1016/j.scriptamat.2008.08.043

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Combined shear-tension tests at room temperature performed on a 12Cr9Ni4Mo low carbon austenitic stainless steel have been reviewed and evaluated under the assumption that the martensitic transformation is exclusively stress driven. It is shown that the start of the transformation is very well predicted using a criterion which involves only the mechanical driving force due to the acting stress. A very simple expression for a so-called transformation yield surface is obtained. Also, the kinetics due to different strain paths coincide when the transformation is evaluated as function of the mechanical driving force. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：29 / 31

页数：3

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