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Grade Ti-Pd18 Titanium vs. 5454 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5454 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 5454 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
61 to 93
Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 17
2.3 to 18
Fatigue Strength, MPa 350
83 to 160
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
230 to 350
Tensile Strength: Yield (Proof), MPa 540
97 to 290

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
130
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
8.6
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.3 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
68 to 590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
23 to 36
Strength to Weight: Bending, points 39
30 to 41
Thermal Diffusivity, mm2/s 3.3
55
Thermal Shock Resistance, points 52
10 to 16

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
94.5 to 97.1
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
2.4 to 3.0
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