Ceria (CeO2 sintered polycrystalline) vs Mullite (3Al2O3-2SiO2)
Property comparison of Ceria (CeO2 sintered polycrystalline) and Mullite (3Al2O3-2SiO2), both ceramic.
| Property | Ceria (CeO2 sintered polycrystalline) | Mullite (3Al2O3-2SiO2) | Difference |
|---|---|---|---|
| Poisson ratio | 0.26 | 0.25 | -4% |
| Density | 7,130 kg/m³ | 2,800 kg/m³ | -61% |
| Thermal conductivity | 9.5 W/m·K | 6 W/m·K | -37% |
| Specific heat | 450 J/kg·K | 780 J/kg·K | +73% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000005 1/K | -55% |
Difference is Mullite (3Al2O3-2SiO2) relative to Ceria (CeO2 sintered polycrystalline). 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
- —
- standard
- ASTM
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