Characterization of the strain-induced plastic anisotropy of rolled sheets by using sequences of simple shear and uniaxial tensile tests

被引：75

作者：

Bouvier, S ^{[1
]}

Gardey, B ^{[1
]}

Haddadi, H ^{[1
]}

Teodosiu, C ^{[1
]}

机构：

[1] Univ Paris 13, LPMTM, CNRS, F-93430 Villetaneuse, France

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2006年 / 174卷 / 1-3期

关键词：

simple shear; two-stage mechanical test; anisotropic behaviour; rolled metal sheet;

D O I：

10.1016/j.jmatprotec.2005.04.086

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The characterization of the plastic behaviour of rolled metal sheets at large strains is a critical ingredient of any finite element analyse software aimed at predicting stress and strain distributions and the eventual occurrence of defects in sheet metal forming. On the other hand, due to the reduced thickness of such rolled sheets, the experimental techniques available for their characterization are scarce. Recently, however, the development of reliable simple shear tests has brought a real breakthrough in this area. The present paper shows how two-stage non-proportional loadings involving sequences of simple shear and/or uniaxial tensile deformations can be adequately used to investigate the isotropic, kinematic and distortional hardening of rolled metal sheets at moderate and finite strains. The experimental techniques and their optimization are analysed and several examples concerning currently used structural materials are provided. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：115 / 126

页数：12

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