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2017A Aluminum vs. Grade Ti-Pd18 Titanium

2017A aluminum belongs to the aluminum alloys classification, while grade Ti-Pd18 titanium belongs to the titanium 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 2017A aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 2.2 to 14
17
Fatigue Strength, MPa 92 to 130
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 200 to 460
710
Tensile Strength: Yield (Proof), MPa 110 to 290
540

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 220
330
Melting Completion (Liquidus), °C 650
1640
Melting Onset (Solidus), °C 510
1590
Specific Heat Capacity, J/kg-K 880
550
Thermal Conductivity, W/m-K 150
8.2
Thermal Expansion, µm/m-K 23
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.7

Otherwise Unclassified Properties

Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.2
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1140
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.7 to 53
110
Resilience: Unit (Modulus of Resilience), kJ/m3 90 to 570
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 19 to 42
44
Strength to Weight: Bending, points 26 to 44
39
Thermal Diffusivity, mm2/s 56
3.3
Thermal Shock Resistance, points 8.9 to 20
52

Alloy Composition

Aluminum (Al), % 91.3 to 95.5
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Magnesium (Mg), % 0.4 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.2 to 0.8
0
Titanium (Ti), % 0 to 0.25
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.4