Naterial | 单位(计量) Unit | 95瓷 A95% | 97瓷 A97% | 99瓷(ci) A99% | 99.7瓷 A99.7% |
密度(du) Density | g/cm³ | 3.6 | 3.72 | 3.85 | 3.85 |
抗弯强度 Flexural Strength | Mpa | 290 | 300 | 350 | 350 |
抗压强度 Compressive Strength | Mpa | 3300 | 3400 | 3600 | 3600 |
弹性模量 Modulus of Elasticity | Gpa | 340 | 350 | 380 | 380 |
抗冲击(ji)强度(du) Impact Resistance | MPam1/2 | 3.9 | 4.0 | 5.0 | 5.0 |
维泊尔系数(shu) Weibull Modulus | M | 10 | 10 | 11 | 11 |
维氏(shi)硬度(du) Vickers Hardulus | HV0.5 | 1800 | 1850 | 1900 | 1900 |
热膨胀系数 Thermal Expansion Coefficient | 10-6K-1 | 5.0-8.3 | 5.0-8.3 | 5.4-8.3 | 5.4-8.3 |
导(dao)热(re)系(xi)数 Thermal Conductivity | W/Mk | 23 | 24 | 27 | 27 |
热震稳定性 Thermal Shock Resistance | △T℃ | 250 | 250 | 270 | 270 |
使(shi)用温度 Maximum Use Temperature | ℃ | 1600 | 1600 | 1650 | 1650 |
20℃体积电阻 Volume Resistivity at 20℃ | Ω | ≥1014 | ≥1014 | ≥1014 | ≥1014 |
绝(jue)缘强度 Dielectric Strength | KV/mm | 20 | 20 | 25 | 25 |
介(jie)电常数 Dielectric constant | εr | 10 | 10 | 10 | 10 |