| 摘要 |
There is provided a fiber-reinforced ceramic material for tools which comprises (A) 5 to 60 wt% of SiC whiskers; (B) 0.1 to 7 wt% of one or more oxides selected from the group consisting of CaO, MgO, SiO2, NiO, Y2O3, and lanthanide oxide; and at least one of (C) and (D) wherein (C) 0.05 to 7 wt% of one or more components selected from the group consisting of B, C, AIN, B4C, and boride of Si, Al, Y, lanthanide, (D) 0.05 to 40 wt% of a transition metal belonging to Groups IVa, Va, and VIa of the Periodic Table or oxide, carbide, nitride, boride thereof including solid solution thereof; and (E) the balance of Al2O3 amount of which is not less than 30 wt%. |
