Ceramic Foam (Alumina Open-Cell Reticulated) vs Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type)
Property comparison of Ceramic Foam (Alumina Open-Cell Reticulated) and Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type), both foam.
| Property | Ceramic Foam (Alumina Open-Cell Reticulated) | Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type) | Difference |
|---|---|---|---|
| Poisson ratio | 0.2 | 0.3 | +50% |
| Density | 400 kg/m³ | 280 kg/m³ | -30% |
| Thermal conductivity | 0.5 W/m·K | 145 W/m·K | +28900% |
| Specific heat | 900 J/kg·K | 710 J/kg·K | -21% |
| Coefficient of thermal expansion | 0.000008 1/K | 0.000005 1/K | -44% |
Difference is Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type) relative to Ceramic Foam (Alumina Open-Cell Reticulated). 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
- none
- standard
- ASTM C177
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