Alumina ceramicke mofuta oa thepa ea ceramic haholo-holo e entsoeng ka aluminium oxide (AI2O3), e sebelisoang e le thepa e sireletsang lisebelisoa tsa motlakase.Alumina ceramice na le conductivity e ntle, matla a mochine, le ho hanyetsa mocheso o phahameng. Litšobotsi tsa eona li e etsa hore e be e 'ngoe ea lirafshoa tse sebelisoang ka ho fetisisa tikolohong ea meralo, ea moaparo le e senyang.
1. Boima bo phahameng
Rockwell hardness ke HRA80-90, ho thatafala ho tlase ho feta daemane, ho feta khanyetso ea tšepe e sa senyeheng le tšepe e se nang tšepe.
2. E babatsehang ho apara ho hanyetsa
E lekantsoe ke litsi tsa lipatlisiso tsa litsebi, ho hanyetsa ha eona ho lekana le linako tse 266 tsa tšepe ea manganese. Gaoming cast iron 171.5 linako tse ling, ho ea ka lilemo tse fetang leshome tsa phuputso ea ho latela bareki, tlas'a maemo a tšoanang a ho sebetsa, a ka lelefatsa bophelo ba tšebeletso ea thepa bonyane makhetlo a leshome ho feta.
3. Boima bo bobebe
Boima ba eona ba 3.5g / cm3 ke halofo feela ea tšepe, e ka fokotsang thepa haholo.
| 技术参数(Technical parameters) | ||
| 项目(Projeke) | 单位(Yuniti) | 数值(Boleng ba palo) |
| 材料(Lisebelisoa) |
| Al2O3>99.5% |
| 颜色(Mmala) |
| 白色,象牙色(White,Ivory) |
| 密度(Density) | g/cm3 | 3.92 |
| 抗弯强度(Flexural Strength) | MPa | 350 |
| 抗压强度(Compressive Strength) | MPa | 2,450 |
| 杨氏模量(Modulus ea Mocha) | GPA | 360 |
| 抗冲击强度(Matla a Tšusumetso) | MPa m1/2 | 4-5 |
| 维泊尔系数(WeibullCoefficient) | m | 10 |
| 维氏硬度(Vickers Hardness) | HV 0.5 | 1,800 |
| 热膨胀系数(Thermal Expansion Coefficient) | 10-6K-1 | 8.2 |
| 导热系数(Thermal Conductivity) | W/mk | 30 |
| 热震稳定性(Thermal Shock Stability) | ∆T °C | 220 |
| 最高使用温度(Boholo ba TšebelisoMocheso) | °C | 1,600 |
| 20°C体积电阻(20°C Ho hanyetsa Bolumo) | Ωcm | >1015 |
| 电介质强度(Matla a Dielectric) | kV/mm | 17 |
| 介电常数(Dielectric Constant) | εr | 9.8 |
