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| 陶瓷材质性能参数(ceramics performance paramcter) |
| 序号 |
项目(item) |
单位(unit) |
材质(materials) |
| 95瓷(A-95) |
97瓷(A-97) |
99瓷(A-99) |
增韧氧化铝瓷(ZTA) |
氧化锆瓷(ZRO2) |
| 1 |
体积密度density |
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3.6 |
3.65 |
3.7 |
4.0-4.3 |
5.5-6.05 |
| 2 |
抗弯强度bending strength |
Mpa |
300 |
350 |
400 |
700 |
1100 |
| 3 |
断裂韧性fracture toughness |
|
4 |
4.5 |
5 |
7 |
12 |
| 4 |
硬度Hardness |
HRA |
≥86 |
≥88 |
≥89 |
≥90 |
88-90 |
| 弹性模量
Modulus of elasticity |
GPa |
320 |
350 |
390 |
300 |
220 |
| 5 |
线膨胀系数coefficient of linear expansion |
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6.5-11.2 |
| 6 |
最小可达剩余不平衡度 |
Gmm/kg |
≤0.8 |
| 7 |
不平衡减少率unbalance reduction rate |
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≥85% |
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