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2095 Aluminum vs. Solder Alloy 811

2095 aluminum belongs to the aluminum alloys classification, while solder alloy 811 belongs to the otherwise unclassified metals. There are 23 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 2095 aluminum and the bottom bar is solder alloy 811.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
52
Elongation at Break, % 8.5
38
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
19
Tensile Strength: Ultimate (UTS), MPa 700
53

Thermal Properties

Latent Heat of Fusion, J/g 390
63
Melting Completion (Liquidus), °C 660
200
Melting Onset (Solidus), °C 540
190
Specific Heat Capacity, J/kg-K 910
230
Thermal Conductivity, W/m-K 130
59
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
14
Electrical Conductivity: Equal Weight (Specific), % IACS 110
17

Otherwise Unclassified Properties

Density, g/cm3 3.0
7.3
Embodied Carbon, kg CO2/kg material 8.6
14
Embodied Energy, MJ/kg 160
240
Embodied Water, L/kg 1470
1200

Common Calculations

Stiffness to Weight: Axial, points 13
4.0
Stiffness to Weight: Bending, points 46
17
Strength to Weight: Axial, points 65
2.0
Strength to Weight: Bending, points 59
4.3
Thermal Diffusivity, mm2/s 49
35
Thermal Shock Resistance, points 31
3.3

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.8 to 3.2
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 3.9 to 4.6
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.12
0
Silver (Ag), % 0.25 to 0.6
0 to 0.1
Tin (Sn), % 0
87.8 to 89.7
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
7.5 to 8.5
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0