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AWS BVAu-8 vs. Solder Alloy 122

Both AWS BVAu-8 and solder alloy 122 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 (11, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-8 and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
20
Poisson's Ratio 0.42
0.43
Shear Modulus, GPa 36
6.9
Tensile Strength: Ultimate (UTS), MPa 140
30

Thermal Properties

Latent Heat of Fusion, J/g 71
27
Melting Completion (Liquidus), °C 1240
300
Melting Onset (Solidus), °C 1200
270
Specific Heat Capacity, J/kg-K 140
140
Thermal Expansion, µm/m-K 14
28

Otherwise Unclassified Properties

Density, g/cm3 19
11

Common Calculations

Stiffness to Weight: Axial, points 3.0
1.0
Stiffness to Weight: Bending, points 8.3
8.2
Strength to Weight: Axial, points 2.1
0.77
Strength to Weight: Bending, points 3.2
2.0
Thermal Shock Resistance, points 7.1
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0010
0 to 0.0050
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 91 to 93
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0 to 0.0020
88.4 to 90.5
Nickel (Ni), % 0
0 to 0.010
Palladium (Pd), % 7.0 to 9.0
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
9.5 to 10.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010