Amorphous silicon nitride composition containing carbon, and vap

Details Amorphous silicon nitride composition containing carbon, and vap Amorphous silicon nitride composition containing carbon, and vap

1975-05-28

1977-07-19

McCarthy, Helen M.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 55, 106 56, 106 65, 106 734, 106 735, 423344, 427 94, C04B 3558, C23C 1114

Patent

active

040366537

ABSTRACT:
An amorphous silicon nitride composition consisting essentially of from 95.0% to 99.9% by weight of amorphous silicon nitride and from 0.1% to 5.0% of carbon prepared by the vapor phase reaction of silicon tetrachloride, ammonia, and a gaseous hydrocarbon at temperatures from 1000.degree.C. to 1500.degree.C. This composition is particularly useful in the preparation of fully dense ceramics requiring high strength at elevated temperatures.

REFERENCES:
patent: 3226194 (1965-12-01), Kuntz
patent: 3352637 (1967-11-01), Heymer et al.
patent: 3574677 (1971-04-01), Pammer et al.
patent: 3637423 (1972-01-01), Sestrich
patent: 3652331 (1972-03-01), Yamazaki

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