C-820 Magnesia Ceramic vs. Beryllia
Both C-820 magnesia ceramic and beryllia are oxide-based engineering ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C-820 magnesia ceramic and the bottom bar is beryllia.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 350 |
| Flexural Strength, MPa | 53 | |
| 240 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 950 | |
| 1050 |
| Thermal Conductivity, W/m-K | 8.0 | |
| 270 |
| Thermal Expansion, µm/m-K | 11 | |
| 8.0 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 9.6 | |
| 6.6 |
| Electrical Dissipation At 1 MHz | 0.00030 | |
| 0.00060 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.7 | |
| 2.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 21 | |
| 67 |
| Stiffness to Weight: Bending, points | 58 | |
| 82 |
| Thermal Diffusivity, mm2/s | 3.1 | |
| 89 |