Fabrication of small dense silicon carbide spheres

Details Fabrication of small dense silicon carbide spheres Fabrication of small dense silicon carbide spheres

1984-04-11

1985-11-05

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 88, 264 6, 264 63, 264 65, C04C 3556

Patent

active

045514364

ABSTRACT:
Spherical particles of polycrystalline silicon carbide having a density greater than 80% of the theoretical density for silicon carbide and having an average diameter ranging from about 10 microns to about 5000 microns are produced by forming spherical agglomerates of a sinterable silicon carbide powder and sintering the agglomerates at a temperature ranging from about 1900.degree. C. to about 2300.degree. C.

REFERENCES:
patent: 4004934 (1977-01-01), Prochazka
patent: 4041117 (1977-08-01), Prochazka
patent: 4133689 (1979-01-01), Stroke
patent: 4144207 (1979-03-01), Ohnsorg
patent: 4179299 (1979-12-01), Coppola et al.
patent: 4233256 (1980-11-01), Ohnsorg
patent: 4312954 (1982-01-01), Coppola et al.
patent: 4455385 (1984-06-01), Prochazka

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