Yttria (Y2O3 sintered 99.9%) vs Zirconia Mg-PSZ (9 mol% MgO)
Property comparison of Yttria (Y2O3 sintered 99.9%) and Zirconia Mg-PSZ (9 mol% MgO), both ceramic.
| Property | Yttria (Y2O3 sintered 99.9%) | Zirconia Mg-PSZ (9 mol% MgO) | Difference |
|---|---|---|---|
| Poisson ratio | 0.3 | 0.31 | +3% |
| Density | 4,950 kg/m³ | 5,740 kg/m³ | +16% |
| Thermal conductivity | 14 W/m·K | 2.2 W/m·K | -84% |
| Specific heat | 450 J/kg·K | 490 J/kg·K | +9% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.00001 1/K | +39% |
Difference is Zirconia Mg-PSZ (9 mol% MgO) relative to Yttria (Y2O3 sintered 99.9%). 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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