Patents
The invention provides a process for the preparation of improved silicon carbide powder by carbothermal reduction of silica by introducing beta-SiC powder simultaneously with the iron in the starting composition resulting in a precursor powder which, after complete reduction, contains at least 90% SiC, preferably rich in the beta-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.