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Grade Ti-Pd18 Titanium vs. 5026 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5026 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 5026 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 17
5.1 to 11
Fatigue Strength, MPa 350
94 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
260 to 320
Tensile Strength: Yield (Proof), MPa 540
120 to 250

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
210
Melting Completion (Liquidus), °C 1640
650
Melting Onset (Solidus), °C 1590
510
Specific Heat Capacity, J/kg-K 550
890
Thermal Conductivity, W/m-K 8.2
130
Thermal Expansion, µm/m-K 9.1
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
31
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
99

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 41
8.9
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
15 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
100 to 440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 44
26 to 32
Strength to Weight: Bending, points 39
33 to 37
Thermal Diffusivity, mm2/s 3.3
52
Thermal Shock Resistance, points 52
11 to 14

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
88.2 to 94.7
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0.1 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0.2 to 1.0
Magnesium (Mg), % 0
3.9 to 4.9
Manganese (Mn), % 0
0.6 to 1.8
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
0.55 to 1.4
Titanium (Ti), % 92.5 to 95.5
0 to 0.2
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 0
0 to 0.3
Residuals, % 0
0 to 0.15