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Grade Ti-Pd18 Titanium vs. 5040 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5040 aluminum belongs to the aluminum alloys. There are 29 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 5040 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
66 to 74
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 17
5.7 to 6.8
Fatigue Strength, MPa 350
100 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
240 to 260
Tensile Strength: Yield (Proof), MPa 540
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
190
Melting Completion (Liquidus), °C 1640
650
Melting Onset (Solidus), °C 1590
600
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
160
Thermal Expansion, µm/m-K 9.1
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
41
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
130

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 41
8.3
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
14 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
260 to 380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
24 to 26
Strength to Weight: Bending, points 39
31 to 32
Thermal Diffusivity, mm2/s 3.3
64
Thermal Shock Resistance, points 52
10 to 11

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
95.2 to 98
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.1 to 0.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Magnesium (Mg), % 0
1.0 to 1.5
Manganese (Mn), % 0
0.9 to 1.4
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 0.3
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15