Diamond-Like Carbon (ta-C tetrahedral amorphous carbon) vs Expanded Graphite (Compressed Flexible Sheet rho~1.1)
Property comparison of Diamond-Like Carbon (ta-C tetrahedral amorphous carbon) and Expanded Graphite (Compressed Flexible Sheet rho~1.1), both carbon graphite.
| Property | Diamond-Like Carbon (ta-C tetrahedral amorphous carbon) | Expanded Graphite (Compressed Flexible Sheet rho~1.1) | Difference |
|---|---|---|---|
| Poisson ratio | 0.2 | 0.3 | +50% |
| Density | 3,100 kg/m³ | 1,100 kg/m³ | -65% |
| Thermal conductivity | 3.5 W/m·K | 200 W/m·K | +5614% |
| Specific heat | 600 J/kg·K | 720 J/kg·K | +20% |
| Coefficient of thermal expansion | 0.000001 1/K | 0 1/K | -100% |
Difference is Expanded Graphite (Compressed Flexible Sheet rho~1.1) relative to Diamond-Like Carbon (ta-C tetrahedral amorphous carbon). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
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