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8090 Aluminum vs. Commercially Pure Silver

8090 aluminum belongs to the aluminum alloys classification, while commercially pure silver belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 commercially pure silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
71
Elongation at Break, % 3.5 to 13
1.1 to 29
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 340 to 490
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 400
110
Melting Completion (Liquidus), °C 660
960
Melting Onset (Solidus), °C 600
960
Specific Heat Capacity, J/kg-K 960
240
Thermal Conductivity, W/m-K 95 to 160
420
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
100
Electrical Conductivity: Equal Weight (Specific), % IACS 66
87

Otherwise Unclassified Properties

Density, g/cm3 2.7
10

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 50
13
Strength to Weight: Axial, points 34 to 49
4.9 to 8.9
Strength to Weight: Bending, points 39 to 50
6.9 to 10
Thermal Diffusivity, mm2/s 36 to 60
170
Thermal Shock Resistance, points 15 to 22
9.5 to 17

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
0
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
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
99.9 to 100
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 0.1