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Grade Ti-Pd18 Titanium vs. 5456 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5456 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 17
11 to 18
Fatigue Strength, MPa 350
130 to 210
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
320 to 340
Tensile Strength: Yield (Proof), MPa 540
150 to 250

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 330
190
Melting Completion (Liquidus), °C 1640
640
Melting Onset (Solidus), °C 1590
570
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
120
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
97

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
9.0
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
33 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
170 to 470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
33 to 35
Strength to Weight: Bending, points 39
38 to 40
Thermal Diffusivity, mm2/s 3.3
48
Thermal Shock Resistance, points 52
14 to 15

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
92 to 94.8
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.4
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0
0.5 to 1.0
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 0.25
Titanium (Ti), % 92.5 to 95.5
0 to 0.2
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15