Composite by infiltration

Details Composite by infiltration Composite by infiltration

1986-02-18

1987-04-14

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 88, 501 96, 501 97, 501151, 264 60, C04B 3556, C04B 3558

Patent

active

046578765

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: 3031342 (1962-04-01), Kertesz
patent: 3852099 (1974-12-01), Prochazka
patent: 4238433 (1980-12-01), Hillig
patent: 4242106 (1980-12-01), Morelock
patent: 4247304 (1981-01-01), Morelock

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