Method of manufacturing silicon nitride composition reinforced w

Details Method of manufacturing silicon nitride composition reinforced w Method of manufacturing silicon nitride composition reinforced w

1988-02-12

1989-08-08

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 88, 501 95, 501 97, 428367, 428378, C04B 3556

Patent

active

048552623

ABSTRACT:
Reinforcing Si.sub.3 N.sub.4 ceramics with preoxidized SiC whiskers improves flexural strength and WEIBULL modulus over that of comparable bulk Si.sub.3 N.sub.4 ceramics or Si.sub.3 N.sub.4 ceramics reinforced with neat SiC whiskers. Hot isostatic pressing further improves the physical properties of said ceramics.

REFERENCES:
patent: 3833389 (1974-09-01), Komeya et al.
patent: 4134759 (1979-01-01), Yajima et al.
patent: 4373006 (1983-02-01), Galasso et al.
patent: 4481179 (1984-11-01), Wei
patent: 4543345 (1985-09-01), Wei

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