Glass-bonded Mica vs. Aluminum Nitride
Glass-bonded mica belongs to the glass and glass-ceramics classification, while aluminum nitride belongs to the non-oxide engineering ceramics. There are 16 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is glass-bonded mica and the bottom bar is aluminum nitride.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 270 | |
| 2100 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 330 |
| Flexural Strength, MPa | 79 | |
| 190 to 400 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 450 | |
| 1380 |
| Maximum Thermal Shock, °C | 110 | |
| 220 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 780 |
| Thermal Conductivity, W/m-K | 23 | |
| 80 to 190 |
| Thermal Expansion, µm/m-K | 6.7 | |
| 4.2 to 5.4 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 6.8 | |
| 6.9 to 28 |
| Dielectric Strength (Breakdown Potential), kV/mm | 20 | |
| 15 to 56 |
| Electrical Dissipation At 1 MHz | 0.0016 | |
| 0.00020 to 0.0010 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 10 | |
| 10 to 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.6 | |
| 2.9 to 3.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 55 to 63 |
| Stiffness to Weight: Bending, points | 52 | |
| 69 to 80 |
| Thermal Diffusivity, mm2/s | 18 | |
| 31 to 74 |