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Commercially Pure Palladium vs. R05400 Tantalum

Both commercially pure palladium and R05400 tantalum are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is commercially pure palladium and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.1 to 11
1.1 to 28
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 43
69
Tensile Strength: Ultimate (UTS), MPa 200 to 380
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 160
140
Specific Heat Capacity, J/kg-K 240
140
Thermal Expansion, µm/m-K 12
6.5

Otherwise Unclassified Properties

Density, g/cm3 12
17

Common Calculations

Stiffness to Weight: Axial, points 5.6
6.2
Stiffness to Weight: Bending, points 14
11
Strength to Weight: Axial, points 4.5 to 8.8
3.6 to 9.0
Strength to Weight: Bending, points 6.2 to 9.7
4.8 to 8.8
Thermal Shock Resistance, points 9.8 to 19
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.030
Palladium (Pd), % 99.8 to 100
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Residuals, % 0 to 0.2
0

Comparable Variants