Finite element analysis about effects of particle morphology on mechanical response of composites

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	Finite element analysis about effects of particle morphology on mechanical response of composites
	C. R. Chen; S. Y. Qin; S. X. Li; J. L. Wen
	2000
发表期刊	Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN	0921-5093
卷号	278 期号:1-2 页码:96-105
摘要	Finite element (FE) method was employed to analyze three composite models with 15% vol, particles. In each model, a number of SiC particles with different size inhomogeneously distributed in the 6061-A1 matrix, and each model was treated as an unit model of composite. In model A, particles were angular with sharp corners; in model IZ, particles were also angular, while most sharp centers were deleted; in model C, particles were circular. The longer dimension of most particles in models A and B was assumed to be along the load axis. The purpose of this paper was to determine effects of treating particle morphology on the overall stress-strain relations, local fatigue property and ductility of composites. Numerical results show that the overall stress-strain curves of three models are quite similar under the non-damage assumption; the particle morphology significantly affects the load carried by particles; the largest stress in particles of model A locates at the load direction sharp corners. The FE results confirm the conclusion of experiment that the main benefit of deleting particle sharp corners is the reducing of the possibility of particle fracture. (C) 2000 Elsevier Science S.A. All rights reserved.
部门归属	chinese acad sci, inst met res, state key lab fatigue & fracture mat, shenyang 110015, peoples r china. shanghai jiao tong univ, state key lab met matrix composites, shanghai 200030, peoples r china.;chen, cr (reprint author), chinese acad sci, inst met res, state key lab fatigue & fracture mat, 72 wenhua rd, shenyang 110015, peoples r china
关键词	Finite Element Analysis Metal Matrix Composites Morphology Metal-matrix Composites Plastic-deformation Ceramic Composites Particulate Ductility Behavior Growth Shape
URL	查看原文
WOS记录号	WOS:000084865600014
引用统计	被引频次：55[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/36976
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	C. R. Chen,S. Y. Qin,S. X. Li,et al. Finite element analysis about effects of particle morphology on mechanical response of composites[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2000,278(1-2):96-105.
APA	C. R. Chen,S. Y. Qin,S. X. Li,&J. L. Wen.(2000).Finite element analysis about effects of particle morphology on mechanical response of composites.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,278(1-2),96-105.
MLA	C. R. Chen,et al."Finite element analysis about effects of particle morphology on mechanical response of composites".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 278.1-2(2000):96-105.