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A380.0 Aluminum vs. Grade Ti-Pd18 Titanium

A380.0 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 29 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 A380.0 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
320
Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 3.3
17
Fatigue Strength, MPa 140
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 290
710
Tensile Strength: Yield (Proof), MPa 160
540

Thermal Properties

Latent Heat of Fusion, J/g 510
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 590
1640
Melting Onset (Solidus), °C 550
1590
Specific Heat Capacity, J/kg-K 870
550
Thermal Conductivity, W/m-K 96
8.2
Thermal Expansion, µm/m-K 22
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 78
2.7

Otherwise Unclassified Properties

Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.5
41
Embodied Energy, MJ/kg 140
670
Embodied Water, L/kg 1040
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
35
Strength to Weight: Axial, points 28
44
Strength to Weight: Bending, points 34
39
Thermal Diffusivity, mm2/s 38
3.3
Thermal Shock Resistance, points 13
52

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.3
0 to 0.25
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0
0 to 0.4