| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ceramic-made blade having excellent corrosion resistance and hardly causing the deterioration of strength and a method of manufacturing the same. <P>SOLUTION: The ceramic-made blade comprises a crystal phase made of the crystal of zirconia which is an essential component and a zirconia sintered compact having an amorphous phase having an amorphous phase containing Y element and Si element in the grain boundary. The mass ratio of Y element to 100 mass% amorphous phase is controlled to 0.1-10 mass%. <P>COPYRIGHT: (C)2007,JPO&INPIT |
