Gadolinium Zirconate (Gd2Zr2O7 pyrochlore TBC) vs Mullite (3Al2O3-2SiO2)
Property comparison of Gadolinium Zirconate (Gd2Zr2O7 pyrochlore TBC) and Mullite (3Al2O3-2SiO2), both ceramic.
| Property | Gadolinium Zirconate (Gd2Zr2O7 pyrochlore TBC) | Mullite (3Al2O3-2SiO2) | Difference |
|---|---|---|---|
| Poisson ratio | 0.28 | 0.25 | -11% |
| Density | 6,900 kg/m³ | 2,800 kg/m³ | -59% |
| Thermal conductivity | 1.8 W/m·K | 6 W/m·K | +233% |
| Specific heat | 400 J/kg·K | 780 J/kg·K | +95% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000005 1/K | -51% |
Difference is Mullite (3Al2O3-2SiO2) relative to Gadolinium Zirconate (Gd2Zr2O7 pyrochlore TBC). 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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