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Analysis of elastoplastic deformation in metal-matrix composites with particulate reinforcements

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Abstract

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

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Authors and Affiliations

  1. Department of Engineering Mechanics, Tsinghua University, 100084, Beijing, China

    Fang Daining & Zhou Chuwei

Authors
  1. Fang Daining
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  2. Zhou Chuwei
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The project supported by the National Natural Science Foundation of China and the State Education Commission of China

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Daining, F., Chuwei, Z. Analysis of elastoplastic deformation in metal-matrix composites with particulate reinforcements. Acta Mech Sinica 13, 153–160 (1997). https://doi.org/10.1007/BF02487921

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  • DOI: https://doi.org/10.1007/BF02487921

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