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8090 Aluminum vs. ASTM B563 Pd-Ag-Cu

8090 aluminum belongs to the aluminum alloys classification, while ASTM B563 Pd-Ag-Cu 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 8090 aluminum and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
100
Elongation at Break, % 3.5 to 13
7.0 to 17
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 25
37
Tensile Strength: Ultimate (UTS), MPa 340 to 490
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 400
150
Melting Completion (Liquidus), °C 660
1180
Melting Onset (Solidus), °C 600
1030
Specific Heat Capacity, J/kg-K 960
260
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 66
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 2.7
11

Common Calculations

Stiffness to Weight: Axial, points 14
5.2
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 34 to 49
19 to 30
Strength to Weight: Bending, points 39 to 50
17 to 22
Thermal Shock Resistance, points 15 to 22
39 to 61

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
15.5 to 16.5
Iron (Fe), % 0 to 0.3
0
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0.8 to 1.2
Palladium (Pd), % 0
43 to 45
Platinum (Pt), % 0
0.8 to 1.2
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
37 to 39
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.4