Alumina 96% (Al2O3) vs Beryllium Oxide (BeO beryllia 99.5%)
Property comparison of Alumina 96% (Al2O3) and Beryllium Oxide (BeO beryllia 99.5%), both ceramic.
| Property | Alumina 96% (Al2O3) | Beryllium Oxide (BeO beryllia 99.5%) | Difference |
|---|---|---|---|
| Poisson ratio | 0.21 | 0.26 | +24% |
| Density | 3,720 kg/m³ | 2,850 kg/m³ | -23% |
| Thermal conductivity | 18 W/m·K | 285 W/m·K | +1483% |
| Specific heat | 880 J/kg·K | 1,030 J/kg·K | +17% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000009 1/K | +15% |
Difference is Beryllium Oxide (BeO beryllia 99.5%) relative to Alumina 96% (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
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- ASTM
- standard
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