Sintered silicon carbide ceramic body

Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing

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C04B 3556

Patent

active

043129544

ABSTRACT:
Pressureless sintering of silicon carbide to produce ceramic bodies having 75% and greater theoretical densities, can be accomplished by firing shaped bodies, containing finely divided silicon carbide, boron source such as boron carbide, carbon source such as phenolic resin and a temporary binder, at a sintering temperature of from about 1900.degree. C. to about 2500.degree. C.

REFERENCES:
Prochazka et al. "Investigation of Ceramics for High-Temperature Turbine Vanes", Final Report for Contract N62269-73-C-0356, submitted to the Naval Air Development Center by General Electric Co., Apr., 1974.

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