Alpha Quartz vs. Hexagonal Boron Nitride
Alpha quartz belongs to the non-glass optical ceramics classification, while hexagonal boron nitride belongs to the non-oxide engineering ceramics. There are 9 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 alpha quartz and the bottom bar is hexagonal boron nitride.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.7 | |
| 1.9 to 2.1 |
| Elastic (Young's, Tensile) Modulus, GPa | 91 | |
| 14 to 60 |
| Poisson's Ratio | 0.13 | |
| 0.11 |
| Specific Heat Capacity, J/kg-K | 720 | |
| 840 to 1610 |
| Stiffness to Weight: Axial, points | 19 | |
| 4.1 to 18 |
| Stiffness to Weight: Bending, points | 57 | |
| 42 to 69 |
| Thermal Conductivity, W/m-K | 8.5 | |
| 29 to 96 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 9.9 to 34 |
| Thermal Expansion, µm/m-K | 9.5 | |
| 0.54 to 18 |