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AWS BAg-22 vs. 90-platinum 10-iridium

Both AWS BAg-22 and 90-platinum 10-iridium are otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (7, 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 BAg-22 and the bottom bar is 90-platinum 10-iridium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
200
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 36
74
Tensile Strength: Ultimate (UTS), MPa 140
330 to 550

Thermal Properties

Latent Heat of Fusion, J/g 150
100
Specific Heat Capacity, J/kg-K 320
130
Thermal Expansion, µm/m-K 21
8.6

Otherwise Unclassified Properties

Density, g/cm3 9.0
22

Common Calculations

Stiffness to Weight: Axial, points 5.9
5.3
Stiffness to Weight: Bending, points 17
9.1
Strength to Weight: Axial, points 4.3
4.2 to 7.1
Strength to Weight: Bending, points 6.6
4.9 to 6.9
Thermal Shock Resistance, points 5.1
13 to 22

Alloy Composition

Copper (Cu), % 15 to 17
0
Iridium (Ir), % 0
9.5 to 10.5
Manganese (Mn), % 7.0 to 8.0
0
Nickel (Ni), % 4.0 to 5.0
0
Platinum (Pt), % 0
89.3 to 90.5
Silver (Ag), % 48 to 50
0
Zinc (Zn), % 21 to 25
0
Residuals, % 0
0 to 0.2