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R05255 Alloy vs. ASTM B540 Palladium

Both R05255 alloy and ASTM B540 palladium are otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R05255 alloy and the bottom bar is ASTM B540 palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
1.1 to 14
Poisson's Ratio 0.34
0.38
Shear Modulus, GPa 70
39
Tensile Strength: Ultimate (UTS), MPa 540
830 to 1240
Tensile Strength: Yield (Proof), MPa 450
620 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 140
140
Specific Heat Capacity, J/kg-K 140
240
Thermal Expansion, µm/m-K 6.6
14

Otherwise Unclassified Properties

Density, g/cm3 17
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 530
1790 to 4660
Stiffness to Weight: Axial, points 6.3
4.7
Stiffness to Weight: Bending, points 11
12
Strength to Weight: Axial, points 9.1
18 to 27
Strength to Weight: Bending, points 8.9
15 to 20
Thermal Shock Resistance, points 31
41 to 61

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
13.5 to 14.5
Gold (Au), % 0
9.5 to 10.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Palladium (Pd), % 0
34 to 36
Platinum (Pt), % 0
9.5 to 10.5
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
29 to 31
Tantalum (Ta), % 95.9 to 98
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0
0.8 to 1.2
Residuals, % 0
0 to 0.3