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AWS BAu-3 vs. Sintered 6061 Aluminum

AWS BAu-3 belongs to the otherwise unclassified metals classification, while sintered 6061 aluminum belongs to the aluminum alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, 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 AWS BAu-3 and the bottom bar is sintered 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Poisson's Ratio 0.37
0.33
Shear Modulus, GPa 41
25
Tensile Strength: Ultimate (UTS), MPa 220
83 to 210

Thermal Properties

Latent Heat of Fusion, J/g 160
400
Melting Completion (Liquidus), °C 1030
640
Melting Onset (Solidus), °C 970
610
Specific Heat Capacity, J/kg-K 300
900
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Density, g/cm3 13
2.7

Common Calculations

Stiffness to Weight: Axial, points 5.0
14
Stiffness to Weight: Bending, points 13
51
Strength to Weight: Axial, points 4.9
8.6 to 21
Strength to Weight: Bending, points 6.4
16 to 29
Thermal Shock Resistance, points 8.7
3.8 to 9.4

Alloy Composition

Aluminum (Al), % 0
96 to 99.4
Copper (Cu), % 60.9 to 63
0 to 0.5
Gold (Au), % 34.5 to 35.5
0
Magnesium (Mg), % 0
0.4 to 1.2
Nickel (Ni), % 2.5 to 3.5
0
Silicon (Si), % 0
0.2 to 0.8
Residuals, % 0
0 to 1.5