High-temperature ceramics-based composite material and its manuf

Details High-temperature ceramics-based composite material and its manuf High-temperature ceramics-based composite material and its manuf

1998-10-01

2000-08-22

Group, Karl

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 963, 427215, 264682, C04B 35577, C04B 35582

Patent

active

061072257

ABSTRACT:
The present invention provides a dense SiC-infiltrated composite material or a dense carbon-fiber-reinforced SiC-infiltrated composite material and a dense SiC-infiltrated composite material with granular carbon dispersed therein that are unlikely to bond to a carbon crucible and that have excellent heat and oxidation resistance. This composite material can be obtained by infiltrating molten carbon-silicide of Mo that is approximately expressed as Mo.sub.3 Si.sub.2 C or a eutectic mixture of carbon-silicide and silicon carbide into a silicon-carbide-based preform having 10 to 60 vol. % of continuous voids and then cooling and solidifying the melt.

REFERENCES:
patent: 5000896 (1991-03-01), Petrovic et al.
patent: 5454999 (1995-10-01), Jayashankar et al.
patent: 5585313 (1996-12-01), Shobu et al.
patent: 5887241 (1999-03-01), Jayashanker et al.
patent: 5990025 (1999-11-01), Shuyama et al.

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