Nippon Crucible Co., Ltd.

Isamu Komaru

Tadao Sasaki

Takasi Natori

Ryuzo Yoshioka

An active silicon carbide powder containing a boron component, which contains the boron component as boron carbide or as a solid solution thereof in a uniformly dispersed state in an amount of about 0.2 to 10 wt %, calculated as boron carbide and a process for producing the same.

Active silicon carbide powder containing a boron component and process

A process for producing a .beta.-silicon carbide powder is disclosed wherein a ternary mixture of carbon, silicon and silica powders mixed in amounts falling within the region defined by the points O, P, Q and R in the FIGURE are reacted in an oxidizing atmosphere.

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Ashiya, Japan

Isamu Komaru