C-820 Magnesia Ceramic vs. Zinc Selenide
C-820 magnesia ceramic belongs to the oxide-based engineering ceramics classification, while zinc selenide belongs to the non-glass optical ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C-820 magnesia ceramic and the bottom bar is zinc selenide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.7 | |
| 5.3 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 69 |
| Specific Heat Capacity, J/kg-K | 950 | |
| 340 |
| Stiffness to Weight: Axial, points | 21 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 58 | |
| 26 |
| Thermal Conductivity, W/m-K | 8.0 | |
| 17 |
| Thermal Diffusivity, mm2/s | 3.1 | |
| 9.5 |
| Thermal Expansion, µm/m-K | 11 | |
| 7.3 |