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Grade Ti-Pd18 Titanium vs. 5457 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5457 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 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
32 to 55
Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 17
6.0 to 22
Fatigue Strength, MPa 350
55 to 98
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
130 to 210
Tensile Strength: Yield (Proof), MPa 540
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
180
Melting Completion (Liquidus), °C 1640
660
Melting Onset (Solidus), °C 1590
630
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
180
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
46
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
150

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
8.4
Embodied Energy, MJ/kg 670
160
Embodied Water, L/kg 270
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
18 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
13 to 21
Strength to Weight: Bending, points 39
21 to 28
Thermal Diffusivity, mm2/s 3.3
72
Thermal Shock Resistance, points 52
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
97.8 to 99.05
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0.15 to 0.45
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 0.080
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1