Effects of SiC coating on ablation resistance of carbon fibre reinforced BN–Si3N4 matrix composite
作者： B. Li , C.-R. Zhang , F. Cao , S.-Q. Wang , H.-F. Hu
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摘要: AbstractA SiC coating was prepared on the surface of a carbon fibre reinforced BN–Si3N4 composite by chemical vapour deposition. The characterised SEM and XRD, ablation behaviours coated uncoated composites were investigated compared. is mainly amorphous quite compact; ablated area reduced considerably presents lower linear rate 21˙4% mass 51˙6%. covers over pores ablative composite, which prevents flame from spreading to other regions penetrating inside composite. As result, both erosion mechanical denudation are restrained resistance improved.
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