Method for producing a ceramic matrix composite material having

Details Method for producing a ceramic matrix composite material having Method for producing a ceramic matrix composite material having

1990-02-23

1992-01-07

Bell, Janyce

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

427255, 4272557, 427294, 427380, 4274192, 4274197, C23C 308

Patent

active

050790390

ABSTRACT:
A porous structure made of refractory fibers or densified by carrying out a sequential deposition of a matrix, the deposition comprising at least two chemical vapor infiltration phases of an essentially ceramic material separated by a chemical vapor infiltration of a less rigid material chosen among pyrolytic carbon and boron nitride.

REFERENCES:
patent: 4580524 (1986-04-01), Lackey, Jr. et al.
patent: 4724169 (1988-02-01), Keen
patent: 4735856 (1988-04-01), Schultz et al.
patent: 4752503 (1988-06-01), Thebault
patent: 4766013 (1988-08-01), Warren
Ceramic Engineering and Science Proceedings: Proceedings of the 9th Annual Conference, "Development of a New, Faster Process for the Fabrication of Ceramic Fiber-Reinforced Ceramic Composites by Chemical Vapor Infiltration", Cocoa Beach, Fla., 20-23 Jan. 1985, vol. 6, Nos. 7/8, Jul./Aug. 1985, pp. 694-706.

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