C-820 Magnesia Ceramic vs. Silicon Carbide
C-820 magnesia ceramic belongs to the oxide-based engineering ceramics classification, while silicon carbide belongs to the non-oxide engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is C-820 magnesia ceramic and the bottom bar is silicon carbide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.7 | |
| 3.0 to 3.2 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 370 to 490 |
| Flexural Strength, MPa | 53 | |
| 410 to 600 |
| Specific Heat Capacity, J/kg-K | 950 | |
| 670 to 1180 |
| Stiffness to Weight: Axial, points | 21 | |
| 69 to 84 |
| Stiffness to Weight: Bending, points | 58 | |
| 79 to 82 |
| Thermal Conductivity, W/m-K | 8.0 | |
| 120 to 170 |
| Thermal Diffusivity, mm2/s | 3.1 | |
| 38 to 79 |
| Thermal Expansion, µm/m-K | 11 | |
| 4.0 to 4.5 |