Ceramic compact and a process for the production of the same

Details Ceramic compact and a process for the production of the same Ceramic compact and a process for the production of the same

1989-12-18

1991-02-19

Chaudhuri, Olik

Compositions: ceramic

Ceramic compositions

Refractory

501 97, 501153, 501154, C04B 3502

Patent

active

049944185

ABSTRACT:
A ceramic compact having a more excellent high temperature strength, toughness and reliability, which comprises a silicon nitride matrix and ceramic fibers uniformly dispersed in the matrix and orientated in a desired direction, said matrix and fibers being closely bonded by sintering, is provided. This compact is produced, for example, by preparing a shaped body of silicon in which ceramic fibers are uniformly dispersed and then bearing and nitriding the shaped body in a nitrogen atmosphere to form a fiber-reinforced silicon nitride sintered compact.

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O'Bannon, L. S. Dictionary of Ceramic Science and Engineering, Plenum Press., N.Y. (1984) p. 196.
Caputo, et al., "Development of a New, Faster Process for the Fabrication of Ceramic fiber-Reinforced Ceramic Composites by CVI", Ceramic Engineering & Science Proceeding, vol. 6, No. 7/8, 1985.

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