Sintered silicon nitride products and processes for fabrication

Details Sintered silicon nitride products and processes for fabrication Sintered silicon nitride products and processes for fabrication

1984-08-14

1985-04-16

Sebastian, Leland A.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

264 65, 264 66, 419 10, 419 13, 419 19, 501 97, 501 98, C22C 2900

Patent

active

045114021

ABSTRACT:
A sintered silicon nitride products and processes for the fabrication thereof are described, wherein the product comprises from 60 to 98.9% by weight of silicon nitride, from 0.1 to 15% by weight of one or more chromium components selected from metal chromium, chromium oxide, and chromium nitride, and from 1 to 25% by weight of one or more oxides selected from oxides of rare earth elements, scandium oxide, yttrium oxide, aluminum oxide, zirconium oxide and silicon dioxide.

REFERENCES:
patent: 3409417 (1968-11-01), Yates
patent: 3950464 (1976-04-01), Masaki et al.

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