Silicon Nitride (Si3N4 sintered SSN) vs Titania (TiO2 rutile sintered)
Property comparison of Silicon Nitride (Si3N4 sintered SSN) and Titania (TiO2 rutile sintered), both ceramic.
| Property | Silicon Nitride (Si3N4 sintered SSN) | Titania (TiO2 rutile sintered) | Difference |
|---|---|---|---|
| Poisson ratio | 0.28 | 0.28 | 0% |
| Density | 3,200 kg/m³ | 4,250 kg/m³ | +33% |
| Thermal conductivity | 16 W/m·K | 6.5 W/m·K | -59% |
| Specific heat | 720 J/kg·K | 710 J/kg·K | -1% |
| Coefficient of thermal expansion | 0.000003 1/K | 0.000009 1/K | +197% |
Difference is Titania (TiO2 rutile sintered) relative to Silicon Nitride (Si3N4 sintered SSN). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
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