YSZ 7-8 wt% Yttria (t'-phase TBC grade) vs Zirconia Mg-PSZ (9 mol% MgO)
Property comparison of YSZ 7-8 wt% Yttria (t'-phase TBC grade) and Zirconia Mg-PSZ (9 mol% MgO), both ceramic.
| Property | YSZ 7-8 wt% Yttria (t'-phase TBC grade) | Zirconia Mg-PSZ (9 mol% MgO) | Difference |
|---|---|---|---|
| Poisson ratio | 0.27 | 0.31 | +15% |
| Density | 5,900 kg/m³ | 5,740 kg/m³ | -3% |
| Thermal conductivity | 2.5 W/m·K | 2.2 W/m·K | -12% |
| Specific heat | 460 J/kg·K | 490 J/kg·K | +7% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.00001 1/K | -7% |
Difference is Zirconia Mg-PSZ (9 mol% MgO) relative to YSZ 7-8 wt% Yttria (t'-phase TBC grade). 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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