Silicon carbide filaments and method

Details Silicon carbide filaments and method Silicon carbide filaments and method

1976-01-02

1978-01-10

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

427228, 427249, 427255, 428367, 428373, 428375, 428401, B32B 900, D02G 300

Patent

active

040680371

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.

REFERENCES:
patent: 3437511 (1969-04-01), Hough
patent: 3553003 (1971-01-01), Carlton et al.
patent: 3811920 (1974-05-01), Galasso et al.
patent: 3811927 (1974-05-01), Joo et al.
patent: 3850689 (1974-11-01), Basche et al.

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