|
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
|
|
高使用温度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
|