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Grade Ti-Pd18 Titanium vs. 5110A Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5110A 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 5110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 17
4.5 to 28
Fatigue Strength, MPa 350
37 to 77
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
100 to 190
Tensile Strength: Yield (Proof), MPa 540
32 to 170

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
180
Melting Completion (Liquidus), °C 1640
640
Melting Onset (Solidus), °C 1590
640
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
220
Thermal Expansion, µm/m-K 9.1
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
57
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
190

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
8.3
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.8 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
7.6 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
10 to 19
Strength to Weight: Bending, points 39
18 to 27
Thermal Diffusivity, mm2/s 3.3
91
Thermal Shock Resistance, points 52
4.5 to 8.4

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
98.5 to 99.8
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.25
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0
0 to 0.2
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 to 0.15
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.1