Composite by infiltration

Details Composite by infiltration Composite by infiltration

1985-07-29

1987-01-13

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 88, 501 95, 501 96, 501 97, 501 98, 501151, 501152, C04B 3550, C04B 3556, C04B 3558

Patent

active

046364803

ABSTRACT:
A composite is produced by forming a porous compact of a ceramic member selected from the group consisting of boron carbide, hafnium carbide, hafnium nitride, niobium carbide, niobium nitride, silicon carbide, silicon nitride, tantalum carbide, tantalum nitride, titanium carbide, titanium nitride, vanadium carbide, vanadium nitride, zirconium carbide and zirconium nitride, and infiltrating the compact with a member selected from the group consisting of barium fluoride, calcium fluoride, magnesium fluoride, strontium fluoride, cerium fluoride, dysprosium fluoride, gadolinium fluoride, lanthanum fluoride, samarium fluoride, yttrium fluoride, and a mixture of said fluoride with a metal oxide.

REFERENCES:
patent: 2618565 (1952-11-01), Nicholson
patent: 3031342 (1962-04-01), Kertesz et al.
patent: 3852099 (1974-12-01), Prochazka
patent: 4119475 (1978-10-01), Prochazka et al.
patent: 4146379 (1979-03-01), Copley et al.
patent: 4238433 (1980-12-01), Hillig
patent: 4240835 (1980-12-01), Laskow et al.
patent: 4242106 (1980-12-01), Morelock
patent: 4247304 (1981-01-01), Morelock
patent: 4457496 (1984-07-01), de Juaye et al.
Ceramics Bulletin, vol. 63, Dec. 1984, p. 1476.

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