Nonuniform transformation field analysis of materials with morphological anisotropy
Nonuniform transformation field analysis of materials with morphological anisotropy
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DOI：
10.1016/j.compscitech.2010.12.013
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发表时间：
2011-02-28
影响因子：
9.1
通讯作者：
Boehlke, Thomas
中科院分区：
文献类型：
--
作者：
Fritzen, Felix;Boehlke, Thomas
利用Michel和Suquet发展的非均匀相变场分析方法(NTFA)研究了颗粒增强金属基复合材料的有效性能。特别研究了颗粒形态对有效力学响应的影响。为此，对现有的颗粒复合材料的周期性三维网格生成技术进行了扩展，以允许各向异性的形态。结果表明，各向异性粒子引起的效应可以被NTFA捕捉到。此外，还研究了钢筋和基质材料之间的荷载分配问题，并与全场计算结果进行了比较，两者吻合较好。(C)2010爱思唯尔有限公司。保留所有权利。
The effective properties of metal matrix composites with particulate reinforcement are investigated using the nonuniform transformation field analysis (NTFA) developed by Michel and Suquet [30]. In particular the effect of the particle morphology on the effective mechanical response is examined in detail. For that, an existing periodic three-dimensional mesh generation technique for particulate composites is extended to allow for anisotropic morphologies. It is shown that the effects induced by the anisotropic particles can be captured by the NTFA. Additionally, the load partitioning between reinforcement and matrix material is investigated and a good agreement to full-field computations is attained with the NTFA. (C) 2010 Elsevier Ltd. All rights reserved.