Abstract

A three-dimensional, finite element, the micro-mechanical model is used to study the damage initiation and the inelastic behavior of SiC/Ti composites subjected to a generally complicated off-axis loading using a three-dimensional representative volume element (RVE). The imperfect interface between the fiber and matrix is to be defined by using cohesive zone model. Due to low bonding strength between fiber and matrix interface, the effects of manufacturing process thermal residual stresses together with interface damage and fiber coating. In this review paper, different researchers have been cited the effect of debonding of the fiber and matrix, friction between fiber and matrix due to the presence of residual stress. The effects of stress relaxation, interface damage together with fiber coating are considered. The recrystallization of the matrix materials played a great role in refining the matrix grain size, improving the diffusion bonding of the matrix and matrix interface as well as the fiber and matrix interface.

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