Boride-based refractory materials

Details Boride-based refractory materials Boride-based refractory materials

1981-03-06

1983-04-12

Bell, Mark

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 89, 501 91, 501 92, 501 93, 501 96, 501 98, C04B 3558

Patent

active

043798527

ABSTRACT:
The invention provides a novel highly refractory sintered body based on a tal diboride such as TiB.sub.2 or Mo.sub.2 B.sub.5 and W.sub.2 B.sub.5 containing a binder ingredient. The high-temperature performance of the sintered body is further improved by including an auxiliary additive ingredient selected from several carbides, nitrides, silicides and oxides such as WC, TiC, TaN, TiN, MoSi.sub.2, TiO.sub.2, Al.sub.2 O.sub.3, B.sub.2 O.sub.3 and the like in a limited amount.

REFERENCES:
patent: 2406275 (1946-08-01), Wejnarth
patent: 2412373 (1946-12-01), Wejnarth
patent: 2412374 (1946-12-01), Wejnarth
patent: 2412375 (1946-12-01), Wejnarth
patent: 2412376 (1946-12-01), Wejnarth
patent: 2802748 (1957-08-01), Glaser
patent: 3340077 (1967-09-01), Alper
patent: 3433471 (1969-03-01), Alper
patent: 4259119 (1981-03-01), Watanabe et al.
patent: 4292081 (1981-09-01), Watanabe et al.

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