期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 528, 期 13-14, 页码 4564-4568出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2011.02.038
关键词
Metal matrix composite; Creep; Finite element analysis; Modeling; Multiscale analysis
类别
资金
- Basic Science Research Program [2010-0024312]
- Ministry of Education, Science and Technology [R15-2006-022-02001-0]
The effect of reinforcement clustering on the steady-state creep behaviors of unidirectional SiC whisker reinforced aluminum matrix composite was investigated using finite element models with two different microstructures: Homogeneous microstructure was made up of a random dispersion of whiskers and the heterogeneous (clustered) one was idealized using hierarchical multiscale technique with 2D microstructure image of this material. Based on the numerical results, a possible mechanism for the 'anomalously high' creep stress exponent was proposed in the light of current knowledge. (C) 2011 Elsevier B.V. All rights reserved.
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