Grade Ti-Pd18 Titanium vs. 2017 Aluminum
Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 2017 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is 2017 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 71 |
| Elongation at Break, % | 17 | |
| 12 to 18 |
| Fatigue Strength, MPa | 350 | |
| 90 to 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 190 to 430 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 76 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 190 |
| Melting Completion (Liquidus), °C | 1640 | |
| 640 |
| Melting Onset (Solidus), °C | 1590 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 880 |
| Thermal Conductivity, W/m-K | 8.2 | |
| 150 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 110 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 8.0 |
| Embodied Energy, MJ/kg | 670 | |
| 150 |
| Embodied Water, L/kg | 270 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 24 to 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 | |
| 41 to 470 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 46 |
| Strength to Weight: Axial, points | 44 | |
| 17 to 40 |
| Strength to Weight: Bending, points | 39 | |
| 24 to 42 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 56 |
| Thermal Shock Resistance, points | 52 | |
| 7.9 to 18 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.5 | |
| 91.6 to 95.5 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 | |
| 3.5 to 4.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 | |
| 0.4 to 0.8 |
| Manganese (Mn), % | 0 | |
| 0.4 to 1.0 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.8 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 0 to 0.15 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 | |
| 0 to 0.15 |