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Commercially Pure Palladium vs. 515.0 Aluminum

Commercially pure palladium belongs to the otherwise unclassified metals classification, while 515.0 aluminum belongs to the aluminum alloys. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is commercially pure palladium and the bottom bar is 515.0 aluminum.

Commercially Pure Palladium515.0 (515.0-F) Cast Aluminum
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 1.1 to 11
10
Poisson's Ratio 0.39
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 120 to 200
190
Tensile Strength: Ultimate (UTS), MPa 200 to 380
280

Thermal Properties

Latent Heat of Fusion, J/g 160
470
Melting Completion (Liquidus), °C 1550
620
Melting Onset (Solidus), °C 1550
620
Specific Heat Capacity, J/kg-K 240
900
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Density, g/cm3 12
2.6

Common Calculations

Stiffness to Weight: Axial, points 5.6
15
Stiffness to Weight: Bending, points 14
52
Strength to Weight: Axial, points 4.5 to 8.8
30
Strength to Weight: Bending, points 6.2 to 9.7
36
Thermal Shock Resistance, points 9.8 to 19
13

Alloy Composition

Aluminum (Al), % 0
93.6 to 96.6
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0
0 to 1.3
Magnesium (Mg), % 0
2.5 to 4.0
Manganese (Mn), % 0
0.4 to 0.6
Palladium (Pd), % 99.8 to 100
0
Silicon (Si), % 0
0.5 to 10
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15