TOOL MADE OF SILICON NITRIDE SINTERED BODY

摘要

PURPOSE:To provide a tool made of a silicon nitride sintered body excellent in wear resistance and toughness and capable of being manufactured at low cost. CONSTITUTION:It is a tool made of a silicon nitride sintered body, containing a silicon nitride and sintering assistant, is composed of the silicon nitride sintered body sintered with no pressure, and removed with beta-Si3N4(beta'-sialon included) freely developed on the surface, from the sintered skin.