Pulverulent silicon nitride composition including oxidized silic

Details Pulverulent silicon nitride composition including oxidized silic Pulverulent silicon nitride composition including oxidized silic

1987-11-24

1989-12-19

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 95, 501 97, 501 88, 428367, 428378, 428384, C04B 3558

Patent

active

048883107

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: 4481179 (1984-11-01), Wei
patent: 4543345 (1985-09-01), Wei
patent: 4806428 (1989-02-01), Cooper et al.

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