Aluminum Nitride vs. C-820 Magnesia Ceramic
Aluminum nitride belongs to the non-oxide engineering ceramics classification, while C-820 magnesia ceramic belongs to the oxide-based engineering ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is aluminum nitride and the bottom bar is C-820 magnesia ceramic.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 330 | |
| 100 |
| Flexural Strength, MPa | 190 to 400 | |
| 53 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 780 | |
| 950 |
| Thermal Conductivity, W/m-K | 80 to 190 | |
| 8.0 |
| Thermal Expansion, µm/m-K | 4.2 to 5.4 | |
| 11 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 6.9 to 28 | |
| 9.6 |
| Electrical Dissipation At 1 MHz | 0.00020 to 0.0010 | |
| 0.00030 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.9 to 3.3 | |
| 2.7 |
Common Calculations
| Stiffness to Weight: Axial, points | 55 to 63 | |
| 21 |
| Stiffness to Weight: Bending, points | 69 to 80 | |
| 58 |
| Thermal Diffusivity, mm2/s | 31 to 74 | |
| 3.1 |