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Solder Alloy 142 vs. AWS BAu-3

Both solder alloy 142 and AWS BAu-3 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 142 and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
110
Poisson's Ratio 0.4
0.37
Shear Modulus, GPa 12
41
Tensile Strength: Ultimate (UTS), MPa 43
220

Thermal Properties

Latent Heat of Fusion, J/g 42
160
Melting Completion (Liquidus), °C 210
1030
Melting Onset (Solidus), °C 180
970
Specific Heat Capacity, J/kg-K 170
300
Thermal Expansion, µm/m-K 25
16

Otherwise Unclassified Properties

Density, g/cm3 9.3
13

Common Calculations

Stiffness to Weight: Axial, points 2.0
5.0
Stiffness to Weight: Bending, points 11
13
Strength to Weight: Axial, points 1.3
4.9
Strength to Weight: Bending, points 2.9
6.4
Thermal Shock Resistance, points 3.7
8.7

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
60.9 to 63
Gold (Au), % 0 to 0.050
34.5 to 35.5
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 47.4 to 50
0
Nickel (Ni), % 0 to 0.010
2.5 to 3.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.15