Coating processes – Coating by vapor – gas – or smoke – Carbon or carbide coating
Patent
1990-07-26
1992-03-03
Beck, Shrive
Coating processes
Coating by vapor, gas, or smoke
Carbon or carbide coating
4272481, 4272557, 4274197, 4274191, C23C 1600, B05D 136
Patent
active
050931563
ABSTRACT:
A carbon material having oxidation resistance is prepared by forming a fi coating constituted mainly by carbon on the surface of a carbon/carbon composite by chemical vapor deposition, then forming on said first coating a second coating of a ceramic or both a ceramic and carbon by chemical vapor deposition, and changing at least one of thermal physical properties or mechanical physical properties of carbon in said first coating continuously or step-wise.
REFERENCES:
patent: 4397901 (1983-08-01), Warren
patent: 4405685 (1983-09-01), Honjo et al.
patent: 4766013 (1988-08-01), Warren
Hirai Toshio
Ido Yasuji
Kohno Takefumi
Kude Yukinori
Niino Masayuki
Beck Shrive
Japan as represented by Director-General, National Aerospace Lab
King Roy V.
Nippon Oil Company Limited
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