Silicon Nitride vs. Aluminosilicate Glass
Silicon nitride belongs to the non-oxide engineering ceramics classification, while aluminosilicate glass belongs to the glass and glass-ceramics. There are 6 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is silicon nitride and the bottom bar is aluminosilicate glass.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.2 to 3.4 | |
| 2.4 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 8.0 to 10 | |
| 6.3 |
| Elastic (Young's, Tensile) Modulus, GPa | 140 to 310 | |
| 87 |
| Fracture Toughness, MPa-m1/2 | 3.1 to 6.2 | |
| 0.9 |
| Stiffness to Weight: Axial, points | 34 to 53 | |
| 20 |
| Stiffness to Weight: Bending, points | 65 to 78 | |
| 63 |