Monodispersed spherical P-SiC powder was synthesized by heating spherical gel powder derived from the hydrolysis of a mixture of phenyltriethoxysilane and tetraethyl orthosilicate. The solution was prepared in a beaker and hydrolyzed by NH40H without stirring. The monodispersed spherical gel powder of submicrometer size was obtained when the added amount of NH40H was greater than 16 moles per mole of silane plus alkoxide, and it became monodispersed spherical &Sic powder by beat-treating at 1500°C for 4 h in an Ar atmosphere. The S i c content of the powder was 92.6 wt%. [
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