to Ceramic Matrix Composites (introduction)
to Properties of composites
(submitted by the website administration)
| Carbon-Carbon Composite (bi-directional fibers/cloth) | ||||
| Composition: carbon matrix + cloth of carbon fibers | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 1.49 *10³ | kg/m³ | 93 | lb/ft³ |
|---|---|---|---|---|
| Flexural strength (perpendicular to fibers) | 170 | MPa | 24600 | psi |
| Compressive strength (parallel to fibers) | 134 | MPa | 19500 | psi |
| Tensile strength (parallel to fibers) | 133 | MPa | 19240 | psi |
| Modulus of elasticity (parallel to fibers) | 100 | GPa | 14500 | ksi |
| Flexural modulus of elasticity (perpendicular to fibers) | 63 | GPa | 9200 | ksi |
| Thermal conductivity (parallel to fibers) | 32 | W/(m*K) | 222 | BTU*in/(hr*ft²*ºF) |
| Thermal conductivity (perpendicular to fibers) | 7 | W/(m*K) | 49 | BTU*in/(hr*ft²*ºF) |
| Thermal expansion (20-1000ºC, parallel to fibers) | 0.5*10-6 | ºCˉ¹ | 0.28*10-6 | in/(in* ºF) |
| Thermal expansion (20-1000ºC, perpendicular to fibers) | 7*10-6 | ºCˉ¹ | 3.9*10-6 | in/(in* ºF) |
| Electric resistivity (25ºC, parallel to fibers) | 34*10-6 | Ohm*m | 34*10-4 | Ohm*cm |