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EN AC-71100 Aluminum vs. 60Pd-40Ag Alloy

EN AC-71100 aluminum belongs to the aluminum alloys classification, while 60Pd-40Ag alloy belongs to the otherwise unclassified metals. There are 18 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 EN AC-71100 aluminum and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 1.1
1.1 to 28
Poisson's Ratio 0.32
0.38
Shear Modulus, GPa 27
37
Tensile Strength: Ultimate (UTS), MPa 260
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 490
140
Melting Completion (Liquidus), °C 580
1360
Melting Onset (Solidus), °C 520
1310
Specific Heat Capacity, J/kg-K 860
240
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 97
3.2

Otherwise Unclassified Properties

Density, g/cm3 2.9
11

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 47
14
Strength to Weight: Axial, points 25
8.4 to 18
Strength to Weight: Bending, points 31
9.6 to 16
Thermal Shock Resistance, points 12
16 to 34

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Palladium (Pd), % 0
59.5 to 60.9
Silicon (Si), % 7.5 to 9.5
0
Silver (Ag), % 0
39.1 to 40.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0
0 to 0.3