| 表面加工方式 Machining code |
代码 Code |
表面粗糙度（Ra） Rough degree in surface |
断面状况 Cross section condition |
|---|---|---|---|
| 普通抛光 Nomal | NP | 0.8-1.0 |  |
| 光亮抛光 Shining | SP | 0.4-0.6 |  |
| 镜面抛光 Diamond | DP | ≤0.2 |  |
| 低摩擦系数抛光 Low fyition | HF | ≥0.3 |  |
| 基本公差 Basic tolerance | ± 1% | ||
| 名称 Material |
单位（计量） Unit |
滑石瓷 Electr-owhite |
95瓷 A95% |
97瓷 A97% |
99瓷 A99% |
99.7瓷 A99.7% |
透明氧化铝 Transparent Alumina |
黑钛瓷 Spark TiO₂95% |
黄钛瓷 Tianit TiO₂95% |
氧化锆瓷 ZrO₂ |
增韧陶瓷 ZTA |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 密度 Density |
g/cm³ | 2.8 | 3.65 | 3.72 | 3.85 | 3.9 | 3.99 | 4.0 | 4.0 | 6.0 | 3.93 |
| 抗弯强度 Flexural strength |
MPa | 150 | 290 | 300 | 350 | 390 | 300 | 70 | 70 | 1300 | 480 |
| 抗压强度 Compressive Strength |
MPa | 900 | 3300 | 3400 | 3600 | 3900 | — | 600 | 600 | 3000 | 3300 |
| 弹性模量 Modulus of Elasticity |
GPa | 120 | 340 | 350 | 380 | 390 | — | — | — | 205 | 320 |
| 抗冲击强度 Impact Resistance |
MPam¹ᐟ² | — | 3.9 | 4.0 | 5.0 | 5.2 | — | — | — | 12 | 7 |
| 维泊尔系数 Weibull modulus |
m | — | 10 | 10 | 11 | 12 | — | — | — | 25 | 15 |
| 维氏硬度 Vickers Hardness |
HV0.5 | — | 1800 | 1850 | 1900 | 2000 | 2200 | 900 | 900 | 1150 | 1600 |
| 热膨胀系数 Thermal expansion coefficient |
10⁻⁶k⁻¹ | 6.0–9.0 | 5.0–8.3 | 5.0–8.3 | 5.4–8.3 | 5.4–8.3 | — | 8.5 | 8.5 | 10 | 9 |
| 导热系数 Thermal Conductivity |
W/mK | 2.0–2.5 | 23 | 24 | 27 | 28 | — | 25 | 25 | 2 | 20 |
| 热震稳定性 Thermal Shock Resistance |
△T℃ | 100 | 250 | 250 | 270 | 280 | — | — | — | 280 | 260 |
| MAX使用温度 Maximum Use Temperature |
℃ | 1200 | 1600 | 1600 | 1650 | 1700 | — | — | — | 1000 | 1600 |
| 20℃体积电阻 Volume Resistivity at 20℃ |
Ω | ≥10¹³ | ≥10¹⁴ | ≥10¹⁴ | ≥10¹⁴ | ≥10¹⁴ | — | <10² | ≥10¹⁰ | ≥10¹⁶ | ≥10¹² |
| 绝缘强度 Dielectric strength |
KV/mm | 20 | 20 | 20 | 25 | 30 | — | — | — | — | — |
| 显气孔率 Open Porosity |
% | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 介电常数 Dielectric Constant |
εᵣ | +160/+70 | 10 | 10 | 10 | 10 | — | — | — | — | — |
| 介质损耗角 Dielectric Loss Aangle |
tan δ | — | 0.001 | 0.001 | 0.001 | 0.0005 | — | — | — | — | — |
