Inventors:
Salavatore J. Calandra - Macedonia OH
Roger W. Ohnsorg - Grand Island NY
Assignee:
Saint-Gobain/Norton Industrial Ceramics Corporation - Worcester MA
International Classification:
C01B 3136
Abstract:
A process comprising the steps of: a) providing a fiber preform comprising a non-oxide ceramic fiber with at least one coating, the coating comprising a coating element selected from the group consisting of carbon, nitrogen, aluminum and titanium, and the fiber having a degradation temperature of between 1400. degree. C. and 1450. degree. C. , b) impregnating the preform with a slurry comprising silicon carbide particles and between 0. 1 wt % and 3 wt % added carbon c) providing a cover mix comprising: i) an alloy comprising a metallic infiltrant and the coating element, and ii) a resin, d) placing the cover mix on at least a portion of the surface of the porous silicon carbide body, e) heating the cover mix to a temperature between 1410. degree. C. and 1450. degree. C. to melt the alloy, and f) infiltrating the fiber preform with the melted alloy for a time period of between 15 minutes and 240 minutes, to produce a ceramic fiber reinforced ceramic composite.