Porous refractory hard metal compositions and method of forming

Details Porous refractory hard metal compositions and method of forming Porous refractory hard metal compositions and method of forming

1985-10-21

1988-04-05

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Pore-forming

501 87, 501 88, 501 96, 501 97, 501 98, 501103, 501132, C04B 3804, C04B 3556, C04B 3558

Patent

active

047359226

ABSTRACT:
A porous refractory hard metal composition is disclosed which is formed by removing the metal compound from a substantially interwoven matrix composition comprising one or more refractory hard metals and a metal compound. The interwoven matrix composition, in a preferred embodiment, may comprise Al.sub.2 O.sub.3 and TiB.sub.2, ZrB.sub.2, or a mixture of the two refractory hard metals.

REFERENCES:
patent: 3143413 (1964-08-01), Krapf
patent: 4500643 (1985-02-01), Gesing et al.
patent: 4540475 (1985-09-01), DeAngelis

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