| 摘要 |
PROBLEM TO BE SOLVED: To provide: an abrasive grain that efficiently polishes a hard metallic material; a polishing composition containing the abrasive grain; and a hard metallic material production method using the composition.SOLUTION: Provided is a hard metallic material polishing abrasive grain which is an abrasive grain for supplying to a polishing surface plate and polishing a hard metallic material, and in which the average particle size is 2 to 10 μm, and the retention rate with respect to the polishing surface plate is 5 to 60%; from a standpoint of polishing efficiency, an abrasive grain substantially composed of a titanium diboride is particularly preferred; a preferred example of a hard metallic material includes a stainless steel.SELECTED DRAWING: None |
