Silicon carbide filaments and method

Details Silicon carbide filaments and method Silicon carbide filaments and method

D - Textiles, Paper

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D01F 9/08 (2006.01) C04B 35/571 (2006.01) C04B 41/45 (2006.01) C23C 16/32 (2006.01) D01F 8/18 (2006.01) D01F 11/12 (2006.01)

Patent

CA 1094890

ABSTRACT OF THE DISCLOSURE A refractory substrate, which generally is graphite or carbon is overcoated with silicon carbide by chemical vapor deposition from gaseous sources of silicon and carbon. The deposition generally takes place in combination with hydrogen and the coating on the substrate generally has a thickness at least equal to the diameter of the substrate itself. A silicon carbide filament containing an inner and outer surface layer of carbon rich silicon carbide, together with a method of making the same, is described.

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