PLASTIC DEFORMATION BEHAVIOR OF HIGH STRENGTH STEEL SHEET UNDER NON-PROPORTIONAL LOADING AND ITS MODELING

被引：0

作者：

Uemori, Takeshi ^{[1
]}

Mito, Yuji ^{[2
]}

Sumikawa, Satoshi ^{[2
]}

Hino, Ryutaro ^{[2
]}

Yoshida, Fusahito ^{[2
]}

Naka, Tetsuo ^{[3
]}

机构：

[1] Kindai Univ, Sch Engn, Dept Mech Engn, 1 Takayaumenobe, Higashihiroshima 7392116, Japan

[2] Hiroshima Univ, Fac Engn, Dept Mech Syst Engn, Higashihiroshima 7398527, Japan

[3] Yuge Natl Coll Maritime Technol, Kamijima, Ehime 7942593, Japan

来源：

ENGINEERING PLASTICITY AND ITS APPLICATIONS: FROM NANOSCALE TO MACROSCALE | 2009年

关键词：

Kinematic hardening model; high tensile strength steel sheet; non-proportional loading; constitutive model; yield surface; yield function; STRAIN CYCLIC PLASTICITY;

D O I：

10.1142/9789814261579_0004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper deals with plastic deformations of a high tensile strength steel sheet (HTSS sheet) under biaxial stress condition including strain path. Using a cruciform specimen of a HTSS sheet of 780MPa-TS, experiments under proportional and non-proportional loadings were investigated. Numerical simulations of stress-strain responses for several strain paths after biaxial stretching were conducted using a large-strain cyclic plasticity model (Yoshida-Uemori model). The results of numerical simulation agrees well the corresponding experimental results, which is attributed to the accurate modeling of the backstress evolution of the anisotropic yield function.

引用

页码：22 / +

页数：2

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