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8090 Aluminum vs. ASTM B540 Palladium

8090 aluminum belongs to the aluminum alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 22 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 8090 aluminum and the bottom bar is ASTM B540 palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
110
Elongation at Break, % 3.5 to 13
1.1 to 14
Fatigue Strength, MPa 91 to 140
350
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 25
39
Tensile Strength: Ultimate (UTS), MPa 340 to 490
830 to 1240
Tensile Strength: Yield (Proof), MPa 210 to 420
620 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 400
140
Melting Completion (Liquidus), °C 660
1220
Melting Onset (Solidus), °C 600
1020
Specific Heat Capacity, J/kg-K 960
240
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
4.9 to 5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 66
3.5 to 3.9

Otherwise Unclassified Properties

Density, g/cm3 2.7
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
1790 to 4660
Stiffness to Weight: Axial, points 14
4.7
Stiffness to Weight: Bending, points 50
12
Strength to Weight: Axial, points 34 to 49
18 to 27
Strength to Weight: Bending, points 39 to 50
15 to 20
Thermal Shock Resistance, points 15 to 22
41 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
13.5 to 14.5
Gold (Au), % 0
9.5 to 10.5
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
Palladium (Pd), % 0
34 to 36
Platinum (Pt), % 0
9.5 to 10.5
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
29 to 31
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0.8 to 1.2
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.3