Carbon Fiber PAN-based (IM7 intermediate modulus) vs Diamond (CVD Polycrystalline)
Property comparison of Carbon Fiber PAN-based (IM7 intermediate modulus) and Diamond (CVD Polycrystalline), both carbon graphite.
| Property | Carbon Fiber PAN-based (IM7 intermediate modulus) | Diamond (CVD Polycrystalline) | Difference |
|---|---|---|---|
| Tensile strength | 5,516 MPa | 470 MPa | -91% |
| Density | 1,780 kg/m³ | 3,510 kg/m³ | +97% |
| Thermal conductivity | 4 W/m·K | 1,800 W/m·K | +44900% |
| Specific heat | 710 J/kg·K | 509 J/kg·K | -28% |
| Coefficient of thermal expansion | -0 1/K | 0.000002 1/K | +600% |
Difference is Diamond (CVD Polycrystalline) 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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