Sintered silicon nitride body and a method of producing the same

Details Sintered silicon nitride body and a method of producing the same Sintered silicon nitride body and a method of producing the same

1978-08-14

1980-08-19

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 3558

Patent

active

042182573

ABSTRACT:
A sintered silicon nitride body consists of not more than 10% by weight in total of at least two metal oxides selected from the group consisting of beryllium oxide, magnesium oxide and strontium oxide (provided that each of the metal oxides is not more than 5% by weight) and the remainder of silicon nitride and may further contain not more than 10% by weight of at least one rare earth metal oxide, and is produced by preparing a mixture having the said composition range and then molding and sintering it at 1,600.degree.-1,900.degree. C. in nitrogen or inert gas atmosphere.

REFERENCES:
patent: 3833389 (1974-09-01), Komeya et al.
patent: 4117095 (1978-09-01), Komeya et al.
patent: 4119475 (1978-10-01), Prochazka et al.

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