Zirconia Mg-PSZ (9 mol% MgO) vs Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2)
Property comparison of Zirconia Mg-PSZ (9 mol% MgO) and Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2), both ceramic.
| Property | Zirconia Mg-PSZ (9 mol% MgO) | Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2) | Difference |
|---|---|---|---|
| Poisson ratio | 0.31 | 0.25 | -19% |
| Density | 5,740 kg/m³ | 4,050 kg/m³ | -29% |
| Thermal conductivity | 2.2 W/m·K | 18 W/m·K | +718% |
| Specific heat | 490 J/kg·K | 850 J/kg·K | +73% |
| Coefficient of thermal expansion | 0.00001 1/K | 0.000009 1/K | -15% |
Difference is Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2) relative to Zirconia Mg-PSZ (9 mol% MgO). 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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