| 摘要 |
PURPOSE:To make deep cuts possible and improve cutting properties, in cutting steel and cast iron. CONSTITUTION:A cermet member consists of 20-80% by weight of (Ti, W)CN or (Ti, M, W)CN as a component for the formation of a hard phase 0.01-30% by weight of one or more of Mg, Al, Y and Zr oxides similarly as a component for the formation of the hard phase, and the residue consisting of W as a component for the formation of a binding phase and unavoidable impurities. A surface softening layer is further formed on the surface thereof. Since W present in (Ti, W)CN or (Ti, M, W)CN as a component thereof has a high melting point, the cermet member is excellent in plastic deformation, oxidation resistance, wear resistance and shock resistance, and show excellent properties of deep cuts. |
