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

稀有金属（英文版）, 2006, 25(1): 58-62.

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1.The Key Laboratory of Superhigh Temperature Composites, Northwestern Polytechnical University, Xi'an 710072, China

2.The Key Laboratory of Superhigh Temperature Composites, Northwestern Polytechnical University, Xi'an 710072, China

3.The Key Laboratory of Superhigh Temperature Composites, Northwestern Polytechnical University, Xi'an 710072, China

4.The Key Laboratory of Superhigh Temperature Composites, Northwestern Polytechnical University, Xi'an 710072, China

5.The Key Laboratory of Superhigh Temperature Composites, Northwestern Polytechnical University, Xi'an 710072, China

基金项目: the National Natural Science Foundation of China for Distinguished Young Scholars(50225210) the Foundation of Aeronautic Science of China(03H53044)

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

Keywords： carbon/carbon composites

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

参考文献