SiAlON vs. Zinc Sulfide
SiAlON belongs to the non-oxide engineering ceramics classification, while zinc sulfide belongs to the non-glass optical ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is SiAlON and the bottom bar is zinc sulfide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.3 | |
| 4.1 |
| Elastic (Young's, Tensile) Modulus, GPa | 290 | |
| 75 |
| Poisson's Ratio | 0.23 | |
| 0.28 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 520 |
| Stiffness to Weight: Axial, points | 50 | |
| 10 |
| Stiffness to Weight: Bending, points | 67 | |
| 34 |
| Thermal Conductivity, W/m-K | 19 | |
| 27 |
| Thermal Diffusivity, mm2/s | 6.4 | |
| 13 |
| Thermal Expansion, µm/m-K | 3.6 | |
| 6.5 |