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Solder Alloy 715 vs. Sintered 6061 Aluminum

Solder alloy 715 belongs to the otherwise unclassified metals classification, while sintered 6061 aluminum belongs to the aluminum alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 solder alloy 715 and the bottom bar is sintered 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
68
Elongation at Break, % 21
0.5 to 6.0
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
25
Tensile Strength: Ultimate (UTS), MPa 30
83 to 210

Thermal Properties

Latent Heat of Fusion, J/g 61
400
Melting Completion (Liquidus), °C 220
640
Melting Onset (Solidus), °C 220
610
Specific Heat Capacity, J/kg-K 220
900
Thermal Conductivity, W/m-K 60
200
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
52
Electrical Conductivity: Equal Weight (Specific), % IACS 15
170

Otherwise Unclassified Properties

Density, g/cm3 7.3
2.7
Embodied Carbon, kg CO2/kg material 16
8.3
Embodied Energy, MJ/kg 270
150

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
51
Strength to Weight: Axial, points 1.1
8.6 to 21
Strength to Weight: Bending, points 2.9
16 to 29
Thermal Diffusivity, mm2/s 37
81
Thermal Shock Resistance, points 1.9
3.8 to 9.4

Alloy Composition

Aluminum (Al), % 0 to 0.0010
96 to 99.4
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0.5 to 0.9
0 to 0.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0.4 to 1.2
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.2 to 0.8
Silver (Ag), % 0.8 to 1.2
0
Tin (Sn), % 97.4 to 98.7
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 1.5