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AWS BVPd-1 vs. 85-platinum 15-iridium

Both AWS BVPd-1 and 85-platinum 15-iridium are otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS BVPd-1 and the bottom bar is 85-platinum 15-iridium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
220
Poisson's Ratio 0.37
0.38
Shear Modulus, GPa 56
81
Tensile Strength: Ultimate (UTS), MPa 240
560 to 730

Thermal Properties

Latent Heat of Fusion, J/g 200
110
Melting Completion (Liquidus), °C 1240
1820
Melting Onset (Solidus), °C 1230
1790
Specific Heat Capacity, J/kg-K 310
130
Thermal Expansion, µm/m-K 12
8.4

Otherwise Unclassified Properties

Density, g/cm3 11
22

Common Calculations

Stiffness to Weight: Axial, points 7.7
5.7
Stiffness to Weight: Bending, points 16
9.3
Strength to Weight: Axial, points 6.1
7.1 to 9.3
Strength to Weight: Bending, points 7.9
6.9 to 8.3
Thermal Shock Resistance, points 9.8
21 to 28

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Cobalt (Co), % 33.9 to 36
0
Iridium (Ir), % 0
14.5 to 15.5
Lead (Pb), % 0 to 0.0020
0
Nickel (Ni), % 0 to 0.060
0
Palladium (Pd), % 64 to 66
0
Phosphorus (P), % 0 to 0.0020
0
Platinum (Pt), % 0
84.3 to 85.5
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.2