Comparison of material properties

Named according IEC 643 Thermal Resistance

°C

Bending Strength

MPa at 20°C

Thermal Conductibility

W(mK)-1 at 20°C

Al2O3 > 99,7% C799 1750 300 25
ZrO2
Partially Stabilised
C830 900 1200 2
ZrO2
Fully Stabilised
C830 2100 300 2
AlN C910 1200 250 120
Y2O3 2200 100 9
MgO C820 2200* 50 8

The values depending on the shape, surface and the application conditions and are for reference only. Exact values have to be determined according to samples.

* The recommended application temperature is lower due to the high vapor pressure (Ca. 1650°C).