SILICON NITRIDE/SILICON CARBIDE COMPLEX POWDER, COMPLEX MOLDING, THEIR PRODUCTION AND PRODUCTION OF SINTERED COMPACT OF SILICON NITRIDE/SILICON CARBIDE COMPLEX

摘要

PURPOSE: To obtain silicon nitride/silicon carbide complex powder having excellent sintering properties, capable of forming a high-strength sintered compact. CONSTITUTION: This silicon nitride/silicon carbide complex powder is obtained by blending silicon powder with carbonaceous powder and a sintering auxiliary, heat-treating the prepared mixed powder under a nitrogen gas-containing atmosphere and causing nitrogenation and carbonization of silicon and has >=30% αtype silicon nitride content based on the whole silicon nitride.