| 摘要 |
PURPOSE:To obtain a polycrystalline cBN sintered compact, abrasive particles, a cutting tool and a sliding material each excellent in strength and wear resistance and having a long service life and high precision. CONSTITUTION:This polycrystalline cBN sintered compact has <=10ppm Al content. Each of abrasive particle, a cutting tool and a sliding material is made of this sintered compact. |
