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2011 Aluminum vs. Solder Alloy 142

2011 aluminum belongs to the aluminum alloys classification, while solder alloy 142 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 2011 aluminum and the bottom bar is solder alloy 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
33
Elongation at Break, % 8.5 to 18
37
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 27
12
Tensile Strength: Ultimate (UTS), MPa 310 to 420
43

Thermal Properties

Latent Heat of Fusion, J/g 390
42
Melting Completion (Liquidus), °C 640
210
Melting Onset (Solidus), °C 540
180
Specific Heat Capacity, J/kg-K 870
170
Thermal Conductivity, W/m-K 140 to 170
45
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
11

Otherwise Unclassified Properties

Density, g/cm3 3.1
9.3
Embodied Carbon, kg CO2/kg material 7.9
9.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
890

Common Calculations

Stiffness to Weight: Axial, points 13
2.0
Stiffness to Weight: Bending, points 44
11
Strength to Weight: Axial, points 27 to 37
1.3
Strength to Weight: Bending, points 32 to 40
2.9
Thermal Diffusivity, mm2/s 51 to 64
28
Thermal Shock Resistance, points 14 to 19
3.7

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0.2 to 0.6
2.5 to 3.5
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 5.0 to 6.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.020
Lead (Pb), % 0.2 to 0.6
47.4 to 50
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
47.5 to 48.5
Zinc (Zn), % 0 to 0.3
0 to 0.0010
Residuals, % 0 to 0.15
0