| abstract |
A spherical crystalline silicon carbide powder as well as its manufacturing methods are proposed; the new power's mean grain size is 0.5-5 micrometers, its specific volume of interior pores having a mean diameter of 0.003 through 0.1 micrometer is 0.000007 cc/g through 0.01 cc/g, and its specific surface area is 0.5 m 2 /g through 8.0 m 2 /g. |