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Grade Ti-Pd18 Titanium vs. 5082 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5082 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 5082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 17
1.1
Fatigue Strength, MPa 350
110 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
25
Tensile Strength: Ultimate (UTS), MPa 710
380 to 400
Tensile Strength: Yield (Proof), MPa 540
300 to 340

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
560
Specific Heat Capacity, J/kg-K 550
910
Thermal Conductivity, W/m-K 8.2
130
Thermal Expansion, µm/m-K 9.1
24

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
8.9
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.0 to 4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
670 to 870
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 44
39 to 41
Strength to Weight: Bending, points 39
43 to 45
Thermal Diffusivity, mm2/s 3.3
54
Thermal Shock Resistance, points 52
17 to 18

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
93.5 to 96
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
0 to 0.15
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.35
Magnesium (Mg), % 0
4.0 to 5.0
Manganese (Mn), % 0
0 to 0.15
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 0.2
Titanium (Ti), % 92.5 to 95.5
0 to 0.1
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15