High-silica Glass vs. Silicon Carbide
High-silica glass belongs to the glass and glass-ceramics classification, while silicon carbide belongs to the non-oxide engineering 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 high-silica glass and the bottom bar is silicon carbide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.4 | |
| 3.0 to 3.2 |
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 370 to 490 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 12 | |
| 0.94 to 3.3 |
| Flexural Strength, MPa | 34 | |
| 410 to 600 |
| Stiffness to Weight: Axial, points | 19 | |
| 69 to 84 |
| Stiffness to Weight: Bending, points | 61 | |
| 79 to 82 |
| Thermal Expansion, µm/m-K | 0.6 to 0.75 | |
| 4.0 to 4.5 |