| 摘要 |
PROBLEM TO BE SOLVED: To provide a blue zirconia sintered body comprising cobalt as a colorant, where the zirconia sintered body prevents color migration to a sintered member in the production process.SOLUTION: A zirconia sintered body comprises a complex oxide of cobalt and aluminum of 1-25 wt.%. Preferably, the complex oxide of cobalt and aluminum is cobalt aluminate, and the zirconia sintered body comprises at least one of iron, nickel and manganese.SELECTED DRAWING: Figure 2 |
