Plastic constitutive behavior of short-fiber/particle reinforced composites

被引：20
|
作者：
Ji, BH [1 ]
Wang, TC [1 ]
机构：
[1] Chinese Acad Sci, Inst Mech, LNM, Beijing 100080, Peoples R China
来源：
INTERNATIONAL JOURNAL OF PLASTICITY | 2003年 / 19卷 / 05期
关键词：
constitutive behavior; particulate reinforced material;
D O I：
10.1016/S0749-6419(01)00041-9
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A cylindrical cell model based on continuum theory for plastic constitutive behavior of short-fiber/particle reinforced composites is proposed. The composite is idealized as uniformly distributed periodic arrays of aligned cells, and each cell consists of a cylindrical inclusion surrounded by a plastically deforming matrix. In the analysis, the non-uniform deformation field of the cell is decomposed into the sum of the first order approximate field and the trial additional deformation field. The precise deformation field are determined based on the minimum strain energy principle. Systematic calculation results are presented for the influence of reinforcement volume fraction and shape on the overall mechanical behavior of the composites. The results are in good agreement with the existing finite element analyses and the experimental results. This paper attempts to stimulate the work to get the analytical constitutive relation of short-fiber/particle reinforced composites. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：565 / 581
页数：17
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