Paper Title:
Effective Stiffness of a Debonded Particle in Particulate Composites
  Abstract

In this study, partially debonded spherical particles in a particulate composite are analyzed by three-dimensional finite element method to investigate their load carrying capacities, and the way to replace a debonded particle with an equivalent inclusion is examined. The variation in Young’s modulus and Poisson’s ratio of a composite with the debonded angle was evaluated for different particle arrangements and particle volume fractions, which in turn compared with the results derived from the equivalent inclusion method. Consequently, it was found that by replacing a debonded particle with an equivalent orthotropic one, the macroscopic behavior of the damaged composite could be reproduced so long as the interaction between neighboring particles is negligible.

  Info
Periodical
Key Engineering Materials (Volumes 334-335)
Edited by
J.K. Kim, D.Z. Wo, L.M. Zhou, H.T. Huang, K.T. Lau and M. Wang
Pages
33-36
DOI
10.4028/www.scientific.net/KEM.334-335.33
Citation
A. Wada, Y. Nagata, S. N. Motogi, "Effective Stiffness of a Debonded Particle in Particulate Composites", Key Engineering Materials, Vols. 334-335, pp. 33-36, 2007
Online since
March 2007
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Price
$32.00
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