简介概要

Effect of SiC whiskers on the oxidation protective properties of SiC coatings for carbon/carbon composites

来源期刊:Rare Metals2006年第1期

论文作者:SHI Xiaohong, LI Hejun, FU Qiangang, LI Kezhi, and ZHANG Xiulian The Key Laboratory of Superhigh Temperature Composites, Northwestern Polytechnical University, Xi’an , China

文章页码:58 - 62

摘    要:<正>In order to effectively employ the unique high temperature mechanical properties of carbon/carbon composite substrates, SiC coatings reinforced by SiC whiskers were prepared by pack cementation method. The effect of SiC whiskers on the oxidation resistance properties of the single-layer coating and double-layer coating was investigated. SiC whiskers in the single-layer SiC coating have little effect on the anti-oxidation property but obviously improve the thermal shock property. The double-layer coating with inner-layer reinforced coating exhibits more perfect anti-oxidation ability than the double-layer coating with SiC inner-layer coating.

详情信息展示

Effect of SiC whiskers on the oxidation protective properties of SiC coatings for carbon/carbon composites

SHI Xiaohong, LI Hejun, FU Qiangang, LI Kezhi, and ZHANG Xiulian The Key Laboratory of Superhigh Temperature Composites, Northwestern Polytechnical University, Xi’an 710072, China

摘 要:<正>In order to effectively employ the unique high temperature mechanical properties of carbon/carbon composite substrates, SiC coatings reinforced by SiC whiskers were prepared by pack cementation method. The effect of SiC whiskers on the oxidation resistance properties of the single-layer coating and double-layer coating was investigated. SiC whiskers in the single-layer SiC coating have little effect on the anti-oxidation property but obviously improve the thermal shock property. The double-layer coating with inner-layer reinforced coating exhibits more perfect anti-oxidation ability than the double-layer coating with SiC inner-layer coating.

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