In the modeling of microstructural damage mechanisms of composites, damage evolution plays an important role and has significant effects on the overall nonlinear behavior of composites. In this study, a microstructural Monte Carlo simulation method is proposed to predict the volume fraction evolution of damaged particles due to particle-cracking for metal matrix composites with randomly distributed spheroidal particles. The performance function is constructed using a stress-based damage criterion. A micromechanics-based elastoplastic and damage model is applied to compute the local stress field and to estimate the overall nonlinear response of the composites with particle-cracking damage mechanism. The factors that affect the damage evolution are investigated and the effects of particle shape and damage strength on damage evolution are discussed in detail. Simulation results are compared with experiments and good agreement is obtained.
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e-mail: lizhi-sun@uiowa.edu
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July 2005
Research Papers
Monte Carlo Simulation of Particle-Cracking Damage Evolution in Metal Matrix Composites
H. T. Liu,
H. T. Liu
Department of Civil and Environmental Engineering and Center for Computer-Aided Design,
The University of Iowa
, Iowa City, IA 52242-1527 and Department of Civil and Environmental Engineering, University of California
, Los Angeles, Los Angeles, CA 90095-1593
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L. Z. Sun,
L. Z. Sun
Department of Civil and Environmental Engineering,
e-mail: lizhi-sun@uiowa.edu
The University of Iowa
, Iowa City, IA 52242-1527
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H. C. Wu
H. C. Wu
Fellow ASME
Department of Civil and Environmental Engineering,
The University of Iowa
, Iowa City, IA 52242-1527
Search for other works by this author on:
H. T. Liu
Department of Civil and Environmental Engineering and Center for Computer-Aided Design,
The University of Iowa
, Iowa City, IA 52242-1527 and Department of Civil and Environmental Engineering, University of California
, Los Angeles, Los Angeles, CA 90095-1593
L. Z. Sun
Department of Civil and Environmental Engineering,
The University of Iowa
, Iowa City, IA 52242-1527e-mail: lizhi-sun@uiowa.edu
H. C. Wu
Fellow ASME
Department of Civil and Environmental Engineering,
The University of Iowa
, Iowa City, IA 52242-1527J. Eng. Mater. Technol. Jul 2005, 127(3): 318-324 (7 pages)
Published Online: March 10, 2005
Article history
Received:
September 28, 2004
Revised:
March 10, 2005
Citation
Liu, H. T., Sun, L. Z., and Wu, H. C. (March 10, 2005). "Monte Carlo Simulation of Particle-Cracking Damage Evolution in Metal Matrix Composites." ASME. J. Eng. Mater. Technol. July 2005; 127(3): 318–324. https://doi.org/10.1115/1.1925291
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