Titanium vs Carbon Fibre for Structural Applications
Comparison of titanium alloys and carbon fibre composites for lightweight structural applications.
TitaniumvsCarbon Fibre
Quick Answer
Titanium offers isotropic properties, higher temperature capability, and impact resistance. Carbon fibre provides higher specific stiffness.
Key Differences
| Property | Ti-6Al-4V | Carbon Fibre |
|---|---|---|
| Density | 4.43 g/cm³ | 1.60 g/cm³ |
| Tensile Strength | 950 MPa | 600-1200 MPa |
| Specific Stiffness | 26 MN·m/kg | 50-80 MN·m/kg |
| Max Temp | 400°C | 120-180°C |
| Impact Resistance | Excellent | Poor |
| Cost | Moderate | High |
| Fatigue Behaviour | Predictable | Complex |