Sic-based pressureless sintered product

Details Sic-based pressureless sintered product Sic-based pressureless sintered product

1990-08-15

1993-01-12

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 90, 501 92, C04B 3556, C04B 3558

Patent

active

051790505

ABSTRACT:
An SiC-based pressureless sintered product contains a sintered product main component containing grains of at least one additive selected from the group consisting of Tac, NbB.sub.2, VB.sub.2 and WB and the balance of SiC sintered grains constituting a SiC matrix, and a sintering assistant component. The additive grains have a maximum grain size not greater than an average grain size of the SiC sintered grains.

REFERENCES:
patent: 4379852 (1983-04-01), Watanabe et al.
patent: 4555358 (1985-11-01), Matsushita et al.
patent: 4705761 (1987-10-01), Kosugi
patent: 4729972 (1988-03-01), Kodama et al.
patent: 4963516 (1990-10-01), Kawasaki

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