| 摘要 |
PROBLEM TO BE SOLVED: To produce a mixed-ceramic cutting tool which can be used for a general purpose, and to provide the mixture of ceramic granules therefor, and a method for manufacturing the mixed-ceramic cutting tool.SOLUTION: In a mixed-ceramic cutting tool having at least two ceramic hard materials, particularly, tips or throwaway tips, a first hard material contains an oxide of zirconium, molybdenum or niobium and a second hard material contains the carbide or nitride of at least two compounds selected from tantalum, tungsten, hafnium and rhenium. |
