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6081 Aluminum vs. 60Pd-40Ag Alloy

6081 aluminum belongs to the aluminum alloys classification, while 60Pd-40Ag alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 6081 aluminum and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 9.0
1.1 to 28
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 26
37
Shear Strength, MPa 180
220 to 350
Tensile Strength: Ultimate (UTS), MPa 310
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 410
140
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 610
1310
Specific Heat Capacity, J/kg-K 900
240
Thermal Conductivity, W/m-K 180
29
Thermal Expansion, µm/m-K 23
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 160
3.2

Otherwise Unclassified Properties

Density, g/cm3 2.7
11

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 32
8.4 to 18
Strength to Weight: Bending, points 37
9.6 to 16
Thermal Diffusivity, mm2/s 74
11
Thermal Shock Resistance, points 14
16 to 34

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0.1 to 0.45
0
Palladium (Pd), % 0
59.5 to 60.9
Silicon (Si), % 0.7 to 1.1
0
Silver (Ag), % 0
39.1 to 40.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.3