Stochastic Aspects of Matrix Cracking in Brittle Matrix Composites

Journal of Engineering Materials and Technology - Tập 115 Số 3 - Trang 314-318 - 1993
S.M. Spearing1, Frank W. Zok1
1Materials Department, College of Engineering, University of California, Santa Barbara, CA 93106-5050

Tóm tắt

A computer simulation of multiple cracking in fiber-reinforced brittle matrix composites has been conducted, with emphasis on the role of the matrix flaw distribution. The simulations incorporate the effect of bridging fibers on the stress required for cracking. Both short and long (steady-state) flaws are considered. Furthermore, the effects of crack interactions (through the overlap of interface slip lengths) are incorporated. The influence of the crack distribution on the tensile response of such composites is also examined.

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