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Half-hard 60Pd-40Ag Alloy vs. Half-hard Silver

Both half-hard 60Pd-40Ag alloy and half-hard silver are otherwise unclassified metals. Both are furnished in the half-hard temper. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is half-hard 60Pd-40Ag alloy and the bottom bar is half-hard silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 1.1
4.6
Poisson's Ratio 0.38
0.37
Shear Modulus, GPa 37
26
Shear Strength, MPa 310
150
Tensile Strength: Ultimate (UTS), MPa 550
260

Thermal Properties

Latent Heat of Fusion, J/g 140
110
Melting Completion (Liquidus), °C 1360
960
Melting Onset (Solidus), °C 1310
960
Specific Heat Capacity, J/kg-K 240
240
Thermal Conductivity, W/m-K 29
420
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.1
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
87

Otherwise Unclassified Properties

Density, g/cm3 11
10

Common Calculations

Stiffness to Weight: Axial, points 4.9
3.8
Stiffness to Weight: Bending, points 14
13
Strength to Weight: Axial, points 13
6.9
Strength to Weight: Bending, points 13
8.7
Thermal Diffusivity, mm2/s 11
170
Thermal Shock Resistance, points 26
13

Alloy Composition


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Copper (Cu), % 0 to 0.1
0
Palladium (Pd), % 59.5 to 60.9
0
Silver (Ag), % 39.1 to 40.5
99.9 to 100
Residuals, % 0 to 0.3
0 to 0.1