Grade Ti-Pd18 Titanium vs. Grade Ti-Pd7B Titanium
Both grade Ti-Pd18 titanium and grade Ti-Pd7B titanium are titanium alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is grade Ti-Pd7B titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 320 | |
| 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 17 | |
| 17 |
| Fatigue Strength, MPa | 350 | |
| 200 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 320 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1660 |
| Melting Onset (Solidus), °C | 1590 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 540 |
| Thermal Conductivity, W/m-K | 8.2 | |
| 22 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 49 |
| Embodied Energy, MJ/kg | 670 | |
| 840 |
| Embodied Water, L/kg | 270 | |
| 520 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 62 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 | |
| 440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 35 |
| Strength to Weight: Axial, points | 44 | |
| 24 |
| Strength to Weight: Bending, points | 39 | |
| 26 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 8.9 |
| Thermal Shock Resistance, points | 52 | |
| 30 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 to 0.4 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0.12 to 0.3 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 98.8 to 99.9 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |