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An incremental micromechanical scheme for nonlinear particulate composites

✍ Scribed by L.H. Dai; G.J. Huang

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
228 KB
Volume
43
Category
Article
ISSN
0020-7403

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✦ Synopsis

A general incremental micromechanical scheme for the nonlinear behavior of particulate composites is presented in this paper. The advantage of this scheme is that it can re#ect partly the e!ects of the third invariant of the stress on the overall mechanical behavior of nonlinear composites. The di$culty involved is the determination of the e!ective compliance tensors of the anisotropic multiphase composites. This is completed by making use of the generalized self-consistent Mori}Tanaka method which was recently developed by Dai et al. (Polymer Composites 19 (1998) 506}513; Acta Mechanica Solida 18 (1998) 199}208). Comparison with existing theoretical and numerical results demonstrates that the present incremental scheme is quite satisfactory. Based on this incremental scheme, the overall mechanical behavior of a hardparticle reinforced metal matrix composite with progressive particle debonding damage is investigated.

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