High-silica Glass vs. Aluminum Nitride
High-silica glass belongs to the glass and glass-ceramics classification, while aluminum nitride belongs to the non-oxide engineering ceramics. There are 10 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 high-silica glass and the bottom bar is aluminum nitride.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.4 | |
| 2.9 to 3.3 |
| Dielectric Strength (Breakdown Potential), kV/mm | 34 | |
| 15 to 56 |
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 330 |
| Electrical Dissipation At 1 Hz | 0.00044 to 0.00087 | |
| 0.0019 |
| Electrical Dissipation At 1 MHz | 0.00044 to 0.00088 | |
| 0.00020 to 0.0010 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 12 | |
| 10 to 12 |
| Flexural Strength, MPa | 34 | |
| 190 to 400 |
| Stiffness to Weight: Axial, points | 19 | |
| 55 to 63 |
| Stiffness to Weight: Bending, points | 61 | |
| 69 to 80 |
| Thermal Expansion, µm/m-K | 0.6 to 0.75 | |
| 4.2 to 5.4 |