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以聚钛碳硅烷为前驱体,经高温烧成后在碳纤维表面形成含钛碳化硅涂层,该涂层由TiC、SiC混晶组成,稳定性好,致密性高且密度小,能显著改善碳纤维的抗氧化性和表面润湿性。
A polycarbosilane precursor is used to form a titanium-containing silicon carbide coating on the surface of the carbon fiber after being sintered at a high temperature. The coating is composed of TiC and SiC mixed crystal and has the advantages of good stability, compactness, small density and remarkable improvement Carbon fiber oxidation resistance and surface wettability.