名称
Naterial

单位（计量）
Unit

99瓷
A99%

密度Density

g/cm 3

 3.85

抗弯强度Flexural strength

MPa

292

抗压强度Compresive strength

MPa

3300

弹性摸量Modules of Elasticity

GPa

340

抗冲击强度Impact Resistance

MPam 1/2

3.9

维泊尔系数Weibull modulus

m

10

维氏硬度Vickers Hardulus

HV0.5

1800

热膨胀系数Thermal expansion coeffcient

10 -6 K -1

5.0-8.3

导热系数Thermal Conductivity

W/mK

31

热震稳定系数Thermal Shock Resistance

ΔT℃

250

******使用温度Maximum Use Temperature

℃

1700

20℃体积电阻Volume Resistity at 20℃

Ω

≥10 14

绝缘强度Dielectric constant

KV/mm

20

显气孔率Open Porosity

%

0

介电常数Dielectric Constant

ε r

10

介质损耗角Dielectric Loss Angle

tanδ

0.001

绝缘破坏强度Dielectric Strength

KV/mm

20