DAT54 (Heat -resistant Titanium alloy) suitable for aerospace engine parts
Features
- Heat resistance is superior to other titanium alloys.
- Its density is 60% that of steel, so the inertial mass is small and its movement is smoother.
Sample of applicable components
- Aerospace engine parts
Heat-resistant graph
DAT54:6Al-4Sn-3.5Zr-3Mo-1Nb-0.3Si
Ti-6246:6Al-2Sn-4Zr-6Mo
Ti-64:6Al-4V
Ti-811:8Al-1Mo-1V
Ti-6242:6Al-2Sn-4Zr-2Mo
lMl829:6Al-3.5Sn-3Zr-0.3Mo-1Nb-0.3Si
lMl685:6Al-5Zr-0.5Mo-0.3Si
Ti-5-2.5:5Al-2.5Sn
*1：0.1% creep temperature at stress 274．MPa, 100h
Material value
| Test temperature | ||
| Normal temperature | 540℃ | |
| Density (g/cm3) | 4.62 | - |
| Average heat expansion coefficient (×10-6/℃） | 8.0 | 10.2 |
| Thermal conductivity (W/m.K) | 5.8 | 12.0 |
| Specific heat (J/g・K) | 0.50 | 0.61 |
| Young's modulus (GPa) | 110 | 82 |
| Shear modulus (GPa) | 42 | 31 |
| Poisson's ratio | 0.32 | 0.31 |
| Fatigue strength (MPa) | 580 | 480 |
Rotating bending fatigue strength
Test piece：Ono type, smoothing
Revolutions：3600rpm
