Silicon carbide filaments and method

Details Silicon carbide filaments and method Silicon carbide filaments and method

1977-01-26

1978-11-28

Smith, Ronald H.

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

423439, 427248A, 427248B, 427248J, 427314, 427402, 427419E, C23C 1100

Patent

active

041276590

ABSTRACT:
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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patent: 3877080 (1975-04-01), Olcoh
patent: 3924034 (1975-12-01), Olcoh
patent: 3925577 (1975-12-01), Fatzer

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