Method of producing silicon carbide sintered body jig

Details Method of producing silicon carbide sintered body jig Method of producing silicon carbide sintered body jig

2007-06-05

2007-06-05

Fiorilla, Chris (Department: 1731)

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Using organometallic or organosilicon intermediate

C264S029100, C264S029600, C264S029700

Reexamination Certificate

active

10506186

ABSTRACT:
A method of producing a silicon carbide sintered body jig using a reaction sintering method, comprising:(a)dispersing a silicon carbide powder and an organic substance as a carbon source in a solvent, to produce a mixed slurry powder,(b) pouring the resulted slurry powder into a mold and drying this to obtain a green body,(c) temporarily-sintering the resulted green body under a vacuum atmosphere at 1800° C., to obtain a temporarily-sintered body,(d) temporarily-molding said temporarily-sintered body, to obtain a temporarily-molded body,(e) impregnating a melted metal silicon into the resulted temporarily-molded body by a capillary phenomenon and reacting free carbon in said temporarily-molded body with silicon sucked into said temporarily-molded body by a capillary phenomenon, to obtain a silicon carbide sintered body, and(f) subjecting the resulted silicon carbide sintered body to precise processing, to obtain a silicon carbide sintered body jig.

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