Abstract

In this chapter the effect of stochastic loading on nonlinear tensile damage and fracture of fiber–reinforced ceramic–matrix composites is investigated. The relationship between stochastic stress, tangent modulus, interface debonding, and fiber broken is established. Effects of fiber volume, interface shear stress, interface debonding energy, saturation matrix crack spacing, and fiber strength on a tensile nonlinear curve, tangent modulus, interface debonding ratio, and fiber broken fraction are analyzed. Experimental tensile damage and fracture of SiC/SiC composites subjected to different stochastic loading stress are predicted.

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