ANALYSIS OF ELASTOPLASTIC DEFORMATION IN METAL-MATRIX COMPOSITES WITH PARTICULATE REINFORCEMENTS

被引：0

作者：

方岱宁 ^{[1
]}

周储伟 ^{[1
]}

机构：

[1] Department of Engineering Mechanics,Tsinghua University,Beijing 100084,China

来源：

Acta Mechanica Sinica | 1997年 / 13卷 / 02期

基金：

中国国家自然科学基金;

关键词：

elastoplastic deformation; metal-matrix composite; particles; finite element analysis;

D O I：

暂无

中图分类号：

O175.7 [差分微分方程];

学科分类号：

070104 ;

摘要：

In this paper,elastoplastic stress-strain behavior during tensile de-formation of an aluminum alloy matrix composite containing alumina circular andnon-circular particles is analyzed.In terms of cell models in conjunction with con-tinuum plasticity theory,various periodic arrays of particles are assumed in a three-dimensional finite element simulation.The geometrical effects of particle volumefraction,shape,aspect ratio,array and distribution,as well as non-circular particleorientation on the overall elastoplastic stress-strain behavior are examined in view todesign optimum microstructures of the composites.

引用

页码：153 / 160

页数：8

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