| 摘要 |
PROBLEM TO BE SOLVED: To provide a zirconia powder that provides a glass ceramic composition with high strength and excellent strength stability.SOLUTION: In a zirconia powder for a glass ceramic composition, the BET specific surface area of the zirconia powder is 3.0-6.5 m/g, and the average particle diameter of secondary aggregated particles is 0.4-0.7 μm. |
