Aluminum Nitride (AlN) vs Beryllium Oxide (BeO beryllia 99.5%)
Property comparison of Aluminum Nitride (AlN) and Beryllium Oxide (BeO beryllia 99.5%), both ceramic.
| Property | Aluminum Nitride (AlN) | Beryllium Oxide (BeO beryllia 99.5%) | Difference |
|---|---|---|---|
| Poisson ratio | 0.24 | 0.26 | +8% |
| Density | 3,260 kg/m³ | 2,850 kg/m³ | -13% |
| Thermal conductivity | 170 W/m·K | 285 W/m·K | +68% |
| Specific heat | 740 J/kg·K | 1,030 J/kg·K | +39% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.000009 1/K | +89% |
Difference is Beryllium Oxide (BeO beryllia 99.5%) relative to Aluminum Nitride (AlN). 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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