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3105 Aluminum vs. Commercially Pure Palladium

3105 aluminum belongs to the aluminum alloys classification, while commercially pure palladium belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (14, 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 3105 aluminum and the bottom bar is commercially pure palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 1.1 to 20
1.1 to 11
Poisson's Ratio 0.33
0.39
Shear Modulus, GPa 26
43
Shear Strength, MPa 77 to 140
120 to 200
Tensile Strength: Ultimate (UTS), MPa 120 to 240
200 to 380

Thermal Properties

Latent Heat of Fusion, J/g 400
160
Melting Completion (Liquidus), °C 660
1550
Melting Onset (Solidus), °C 640
1550
Specific Heat Capacity, J/kg-K 900
240
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
16
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Density, g/cm3 2.8
12

Common Calculations

Stiffness to Weight: Axial, points 14
5.6
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 12 to 24
4.5 to 8.8
Strength to Weight: Bending, points 20 to 31
6.2 to 9.7
Thermal Shock Resistance, points 5.2 to 11
9.8 to 19

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Palladium (Pd), % 0
99.8 to 100
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0
Residuals, % 0
0 to 0.2

Comparable Variants