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Solder Alloy 811 vs. Commercially Pure Palladium

Both solder alloy 811 and commercially pure palladium are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 811 and the bottom bar is commercially pure palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
120
Elongation at Break, % 38
1.1 to 11
Poisson's Ratio 0.35
0.39
Shear Modulus, GPa 19
43
Tensile Strength: Ultimate (UTS), MPa 53
200 to 380

Thermal Properties

Latent Heat of Fusion, J/g 63
160
Melting Completion (Liquidus), °C 200
1550
Melting Onset (Solidus), °C 190
1550
Specific Heat Capacity, J/kg-K 230
240
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
16
Electrical Conductivity: Equal Weight (Specific), % IACS 17
12

Otherwise Unclassified Properties

Density, g/cm3 7.3
12

Common Calculations

Stiffness to Weight: Axial, points 4.0
5.6
Stiffness to Weight: Bending, points 17
14
Strength to Weight: Axial, points 2.0
4.5 to 8.8
Strength to Weight: Bending, points 4.3
6.2 to 9.7
Thermal Shock Resistance, points 3.3
9.8 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
0
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
Nickel (Ni), % 0 to 0.010
0
Palladium (Pd), % 0
99.8 to 100
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 87.8 to 89.7
0
Zinc (Zn), % 7.5 to 8.5
0
Residuals, % 0
0 to 0.2