| 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 |