YSZ 7-8 wt% Yttria (t'-phase TBC grade) vs Zirconia Y-TZP (3 mol% Y2O3)
Property comparison of YSZ 7-8 wt% Yttria (t'-phase TBC grade) and Zirconia Y-TZP (3 mol% Y2O3), both ceramic.
| Property | YSZ 7-8 wt% Yttria (t'-phase TBC grade) | Zirconia Y-TZP (3 mol% Y2O3) | Difference |
|---|---|---|---|
| Poisson ratio | 0.27 | 0.3 | +11% |
| Density | 5,900 kg/m³ | 6,050 kg/m³ | +3% |
| Thermal conductivity | 2.5 W/m·K | 2 W/m·K | -20% |
| Specific heat | 460 J/kg·K | 450 J/kg·K | -2% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.00001 1/K | -7% |
Difference is Zirconia Y-TZP (3 mol% Y2O3) 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
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- standard
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