Carbon Fiber PAN-based (IM7 intermediate modulus) vs Diamond-Like Carbon (ta-C tetrahedral amorphous carbon)
Property comparison of Carbon Fiber PAN-based (IM7 intermediate modulus) and Diamond-Like Carbon (ta-C tetrahedral amorphous carbon), both carbon graphite.
| Property | Carbon Fiber PAN-based (IM7 intermediate modulus) | Diamond-Like Carbon (ta-C tetrahedral amorphous carbon) | Difference |
|---|---|---|---|
| Density | 1,780 kg/m³ | 3,100 kg/m³ | +74% |
| Thermal conductivity | 4 W/m·K | 3.5 W/m·K | -13% |
| Specific heat | 710 J/kg·K | 600 J/kg·K | -15% |
| Coefficient of thermal expansion | -0 1/K | 0.000001 1/K | +350% |
Difference is Diamond-Like Carbon (ta-C tetrahedral amorphous carbon) relative to Carbon Fiber PAN-based (IM7 intermediate modulus). 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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