Carbon-ceramic composite material with a composite reinforcement layer and a method for producing the same

Abstract

The application relates to ceramic matrix composite material technology, in particular to a carbon ceramic composite material with a composite reinforcing layer and a preparation method thereof. The carbon ceramic composite material with the composite reinforcing layer comprises a carbon ceramic matrix or a carbon carbon matrix, a composite reinforcing layer, the composite reinforcing layer is combined on at least one surface of the carbon ceramic matrix or the carbon carbon matrix through mechanical interlocking and / or potential chemical bonds, the composite reinforcing layer comprises a first silicon carbide slurry layer, a silicon carbide fiber cloth layer and a second silicon carbide slurry layer which are sequentially stacked; the first silicon carbide slurry layer is in contact with the surface of the carbon ceramic matrix or the carbon carbon matrix and fills surface pores of the carbon ceramic matrix or the carbon carbon matrix, thereby forming a transition interface; the silicon carbide fiber cloth layer is embedded between the first silicon carbide slurry layer and the second silicon carbide slurry layer; and the second silicon carbide slurry layer is filled in the gap of the silicon carbide fiber cloth layer in a permeating mode. The carbon ceramic composite material improves the problems of easy peeling, cracking and early failure of the existing carbon ceramic composite material caused by weak interface combination and poor surface densification.