Process for preparing improved silicon carbide powder

Details Process for preparing improved silicon carbide powder Process for preparing improved silicon carbide powder

2008-01-01

2008-01-01

Lopez, Carlos (Department: 1731)

Plastic and nonmetallic article shaping or treating: processes

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

Including plural heating steps

C264S674000, C264S682000

Reexamination Certificate

active

07314593

ABSTRACT:
Improved silicon carbide powder is prepared by carbothermal reduction of silica by introducing β-SiC powder simultaneously with iron in the starting composition resulting into a precursor powder which after complete reduction contains at least 90% SiC preferably rich in the β-phase. The main advantage, among others, is cost effectiveness. Silicon carbide powder finds wide usage in the manufacture of products suitable for refractory and engineering applications.

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