|
Alumina Nitride (AlN) |
|||
Item |
AlN180 |
AlN200 |
AlN220 |
Unit |
Colour |
Gray |
Gray |
Beige |
|
Density |
3.3 |
3.3 |
3.28 |
g/cm3 |
Flexural Strength |
≥350 |
≥350 |
≥350 |
MPa |
Compressive Strength |
2500 |
2500 |
- |
MPa |
Elastic Modulus |
320 |
320 |
320 |
GPa |
Vickers Hardness (Load 500g) |
10 |
9.5 |
9 |
HV0.5 |
Coefficient of Line Thermal Expansion |
4.8 |
4.6 |
4.5 |
10-6K-1 |
Thermal Conductivity(20℃) |
180 |
200 |
220 |
W/m·K |
Volume Resistance at 20°C |
>1014 |
>1014 |
>1013 |
cm |
Dielectric Strength |
≥15 |
≥15 |
≥15 |
KV/mm |
Dielectric Constant (1MHz) |
9 |
8.8 |
8.6 |
εr |
Loss Tangent |
5 |
5 |
3 |
10-4 |