Silicon Carbide vs. High-silica Glass
Silicon carbide belongs to the non-oxide engineering ceramics classification, while high-silica glass belongs to the glass and glass-ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.
For each property being compared, the top bar is silicon carbide and the bottom bar is high-silica glass.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.0 to 3.2 | |
| 2.4 |
| Elastic (Young's, Tensile) Modulus, GPa | 370 to 490 | |
| 78 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 0.94 to 3.3 | |
| 12 |
| Flexural Strength, MPa | 410 to 600 | |
| 34 |
| Stiffness to Weight: Axial, points | 69 to 84 | |
| 19 |
| Stiffness to Weight: Bending, points | 79 to 82 | |
| 61 |
| Thermal Expansion, µm/m-K | 4.0 to 4.5 | |
| 0.6 to 0.75 |