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Particle-Debonding Modeling of Metal-Matrix Composites

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Handbook of Damage Mechanics

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Abstract

This chapter aims to model the mechanical behavior of particle-reinforced metal-matrix composites with progressive particle–matrix interfacial debonding. The partial-debonding process is represented by the debonding angles in composites. The equivalent orthotropic elasticity tensor is constructed for the debonded yet isotropic particles to characterize the reduction of the load-transfer ability in the debonded directions. Micromechanical homogenization procedures are utilized to estimate the effective moduli and the overall yield function of the resultant multiphase composites. The associative plastic flow rule and isotropic hardening law are postulated based on the continuum plasticity theory. The effect of partially interfacial debonding on the overall stress–strain relations of the composites is investigated and illustrated via numerical examples.

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Author information

Authors and Affiliations

  1. Civil and Environmental Engineering, University of California, Irvine, CA, 92697, USA

    L. Z. Sun

  2. American Bureau of Shipping, ABS Plaza, Houston, TX, 77060, USA

    H. T. Liu

  3. Department of Civil and Environmental Engineering, University of California, Los Angeles, CA, 90095, USA

    Jiann-Wen Woody Ju

Authors
  1. L. Z. Sun
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  2. H. T. Liu
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  3. Jiann-Wen Woody Ju
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Corresponding author

Correspondence to L. Z. Sun .

Editor information

Editors and Affiliations

  1. Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, Louisiana, USA

    George Z. Voyiadjis

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Sun, L.Z., Liu, H.T., Ju, JW.W. (2015). Particle-Debonding Modeling of Metal-Matrix Composites. In: Voyiadjis, G. (eds) Handbook of Damage Mechanics. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-5589-9_10

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