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Grade Ti-Pd18 Titanium vs. 354.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 354.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is 354.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 17
2.4 to 3.0
Fatigue Strength, MPa 350
92 to 120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
360 to 380
Tensile Strength: Yield (Proof), MPa 540
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
530
Maximum Temperature: Mechanical, °C 330
170
Melting Completion (Liquidus), °C 1640
600
Melting Onset (Solidus), °C 1590
550
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
130
Thermal Expansion, µm/m-K 9.1
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
7.8
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
8.6 to 9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
540 to 670
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 44
37 to 39
Strength to Weight: Bending, points 39
42 to 44
Thermal Diffusivity, mm2/s 3.3
52
Thermal Shock Resistance, points 52
17 to 18

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
87.3 to 89.4
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
1.6 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.2
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.1
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
8.6 to 9.4
Titanium (Ti), % 92.5 to 95.5
0 to 0.2
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15