Effect of Spatial Distribution of SiC Particles on the Tensile Deformation Behavior of Al-10 vol%SiC Composites

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  • Zhang Di
    Mechanical System Engineering, Graduate School of Engineering, Hiroshima University
  • Sugio Kenjiro
    Mechanical System Engineering, Graduate School of Engineering, Hiroshima University
  • Sakai Kazuyuki
    Mechanical System Engineering, Graduate School of Engineering, Hiroshima University
  • Fukushima Hiroshi
    Mechanical System Engineering, Graduate School of Engineering, Hiroshima University
  • Yanagisawa Osamu
    Mechanical System Engineering, Graduate School of Engineering, Hiroshima University

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  • Effect of spatial distribution of SiC particles on the tensile deformation of Al-10% SiC composites

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Abstract

The effect of particle clustering distribution on the damage accumulation and the deformation behavior is investigated in the particle reinforced metal-matrix composites. The clustering tendency of the Al-10 vol%SiC composite is evaluated by the normalized 2-dimensional local number density (LND2D) of the particle. It is found that the uniform material having a spatial distribution close to the random distribution has higher flow stress and larger elongation. The particle/matrix delamination is easy to occur preferentially at the particles of larger size in the more clustered regions in tensile deformation. Composites with lower clustering tendency have larger strain hardening capacity than those with more clustering one.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 48 (2), 171-177, 2007

    The Japan Institute of Metals and Materials

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