Silicon coated silicon carbide filaments and method

Details Silicon coated silicon carbide filaments and method Silicon coated silicon carbide filaments and method

1980-02-06

1982-02-16

Childs, S. L.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

427 451, 427249, 427255, 4272552, 4272555, 427402, 428368, 428391, 428401, B32B 900, D02G 300

Patent

active

043159680

ABSTRACT:
Silicon carbide filament is produced by overcoating a carbon monofilament core using continuous process vapor deposition. The deposition takes place by passing the carbon monofilament through a reactor into which gaseous sources of silicon and carbon are injected. At a deposition temperature of about 1300 C., a deposit of fine grained beta crystals of silicon carbide are formed. Application of a thin coating of silicon-rich silicon carbide on the surface of the filament both adds strength and provides a surface which is readily bonded to metals, glass and resin matrix materials during the forming of composite structures.

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patent: 3652348 (1972-03-01), Baum
patent: 3900597 (1975-08-01), Chruma et al.
patent: 4068037 (1978-01-01), Debolt et al.

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