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Solder Alloy 142 vs. R05200 Tantalum

Both solder alloy 142 and R05200 tantalum are otherwise unclassified metals. There are 17 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 R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
190
Elongation at Break, % 37
1.1 to 28
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 12
69
Tensile Strength: Ultimate (UTS), MPa 43
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 42
140
Specific Heat Capacity, J/kg-K 170
140
Thermal Conductivity, W/m-K 45
59
Thermal Expansion, µm/m-K 25
6.5

Otherwise Unclassified Properties

Density, g/cm3 9.3
17
Embodied Water, L/kg 890
650

Common Calculations

Stiffness to Weight: Axial, points 2.0
6.2
Stiffness to Weight: Bending, points 11
11
Strength to Weight: Axial, points 1.3
3.6 to 9.0
Strength to Weight: Bending, points 2.9
4.8 to 8.8
Thermal Diffusivity, mm2/s 28
25
Thermal Shock Resistance, points 3.7
13 to 32

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
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.0015
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.010
Lead (Pb), % 47.4 to 50
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.010
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.1
0
Tantalum (Ta), % 0
99.8 to 100
Tin (Sn), % 47.5 to 48.5
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.0010
0