Process for modifying amorphous carbon filaments

Details Process for modifying amorphous carbon filaments Process for modifying amorphous carbon filaments

1975-11-24

1977-08-30

Gwinnell, Harry J.

Coating processes

Coating by vapor, gas, or smoke

427 52, 427248E, 427248J, 427249, 427372R, 427399, 427402, C23C 1108, B05D 302

Patent

active

040455971

ABSTRACT:
A filamentary reinforcement product for composites used in applications requiring high strength and high modulus of elasticity materials, particularly under high temperature service conditions, comprising one mil thick or thicker coatings of boron or boron carbide on a substrate which comprises about a one mil diameter carbon substrate having a catalytically transformed skin layer of highly oriented graphite formed from the carbon substrate using a boron catalyst.

REFERENCES:
patent: RE28312 (1975-01-01), Basche et al.
patent: 1019569 (1912-03-01), Weintraub
patent: 2764510 (1956-09-01), Ziegler
patent: 3206331 (1965-09-01), Diefendorf
patent: 3334967 (1967-08-01), Bourdeau
patent: 3369920 (1968-02-01), Bourdeau et al.
patent: 3778300 (1973-12-01), Wohlberg

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