Alumina 99.5% (Al2O3) vs Barium Titanate (BaTiO3 polycrystalline)
Property comparison of Alumina 99.5% (Al2O3) and Barium Titanate (BaTiO3 polycrystalline), both ceramic.
| Property | Alumina 99.5% (Al2O3) | Barium Titanate (BaTiO3 polycrystalline) | Difference |
|---|---|---|---|
| Poisson ratio | 0.22 | 0.26 | +18% |
| Density | 3,890 kg/m³ | 6,020 kg/m³ | +55% |
| Thermal conductivity | 30 W/m·K | 6.2 W/m·K | -79% |
| Specific heat | 880 J/kg·K | 420 J/kg·K | -52% |
| Coefficient of thermal expansion | 0.000008 1/K | 0.000009 1/K | +16% |
Difference is Barium Titanate (BaTiO3 polycrystalline) relative to Alumina 99.5% (Al2O3). 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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