Apr 30 2003
Background
The carbon composite is made from high performance cloth densified by chemival vapour deposition (CVD) techniques.
Key Properties
Mechanical and electrical properties are supplied for a carbon – carbon composite consisting of carbon fibres in a carbon matrix.
Table 1. Key properties
| Property |
|
Value |
| Coefficient of thermal expansion (20-1000 °C)-para. |
x10-6 K-1 |
1.5 |
| Coefficient of thermal expansion (20-1000 °C)-perp. |
x10-6 K-1 |
6 |
| Compressive Strength - parallel to plane |
MPa |
120 - 200 |
| Compressive Strength - perp. to plane |
MPa |
60 - 150 |
| Density |
g.cm-3 |
1.3 - 1.8 |
| Flexural modulus - parallel to plane |
GPa |
10 - 20 |
| Flexural strength - parallel to plane |
MPa |
80 - 200 |
| Shear strength - in-plane |
MPa |
20 - 30 |
| Tensile modulus - parallel to plane |
GPa |
20 - 30 |
| Tensile strength - Longitudinal |
MPa |
40 - 70 |
| Tensile strength - Transverse |
MPa |
<10 |
| Thermal Conductivity - parallel to plane |
W.m-1.K-1 |
250 - 300 |
| Thermal Conductivity - perp. to plane |
W.m-1.K-1 |
50 - 100 |
| Electrical Resistivity |
µohm.com |
3000 |
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