Soda-lime Glass vs. Aluminum Nitride
Soda-lime glass belongs to the glass and glass-ceramics classification, while aluminum nitride belongs to the non-oxide engineering ceramics. There are 13 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is soda-lime glass and the bottom bar is aluminum nitride.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 to 71 | |
| 330 |
| Knoop Hardness | 570 | |
| 1160 |
| Poisson's Ratio | 0.23 | |
| 0.21 to 0.31 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 300 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 720 to 800 | |
| 780 |
| Thermal Conductivity, W/m-K | 1.0 to 1.1 | |
| 80 to 190 |
| Thermal Expansion, µm/m-K | 8.8 to 9.0 | |
| 4.2 to 5.4 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 7.3 to 7.4 | |
| 6.9 to 28 |
| Dielectric Strength (Breakdown Potential), kV/mm | 13 | |
| 15 to 56 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.4 | |
| 2.9 to 3.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 16 | |
| 55 to 63 |
| Stiffness to Weight: Bending, points | 56 | |
| 69 to 80 |
| Thermal Diffusivity, mm2/s | 0.51 to 0.6 | |
| 31 to 74 |