Alumina ceramicyog hom khoom siv ceramic feem ntau tsim los ntawm txhuas oxide (AI2O3), siv los ua cov khoom siv hluav taws xob rau cov khoom siv hluav taws xob.Alumina ceramicmuaj zoo conductivity, mechanical zog, thiab high-temperature kuj. Nws cov yam ntxwv ua rau nws yog ib qho ntawm feem ntau siv ceramics hauv cov qauv, hnav, thiab corrosive ib puag ncig.
1. Siab hardness
Rockwell hardness yog HRA80-90, lub hardness yog qis dua pob zeb diamond, deb tshaj qhov hnav-resistant steel thiab stainless hlau.
2. Kev hnav zoo heev
Ntsuas los ntawm cov chaw tshawb fawb kev tshaj lij, nws qhov hnav tsis kam yog sib npaug rau 266 npaug ntawm manganese hlau. Gaoming cam khwb cia hlau 171.5 zaug, raws li peb ntau tshaj kaum xyoo ntawm kev soj ntsuam cov neeg siv khoom, nyob rau hauv tib txoj kev ua haujlwm, tuaj yeem txuas lub neej kev pab cuam ntawm cov cuab yeej tsawg kawg kaum zaug ntxiv.
3. Lub teeb yuag
Nws qhov ceev ntawm 3.5g / cm3 tsuas yog ib nrab ntawm cov hlau, uas tuaj yeem txo cov khoom siv thauj khoom.
| 技术参数(Technical Parameters) | ||
| 项目(Qhov project) | 单位(Unit) | 数值(Tus nqi tus nqi) |
| 材料(Cov khoom siv) |
| Al2O3> 99.5% |
| 颜色(Xim) |
| 白色, 象牙色(White, Ivory) |
| 密度(Density) | g/cm3 | 3.92 ib |
| 抗弯强度(Flexural zog) | MPa | 350 |
| 抗压强度(Compressive zog) | MPa | 2,450 ib |
| 杨氏模量(Young's Modulus) | GPa | 360 |
| 抗冲击强度(Impact Strength) | 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(Kev siv ntau tshajKub) | °C | 1,600 ib |
| 20 ° C 体积电阻 (20 ° C Volume Resistivity) | Ω cm | > 1015 |
| 电介质强度(Dielectric zog) | kV / hli | 17 |
| 介电常数(Dielectric Constant) | εr | 9.8 ib |
