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Nuclear Grade Hafnium vs. Commercially Pure Silver

Both nuclear grade hafnium and commercially pure silver are otherwise unclassified metals. There are 14 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 nuclear grade hafnium and the bottom bar is commercially pure silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
71
Elongation at Break, % 25
1.1 to 29
Poisson's Ratio 0.26
0.37
Shear Modulus, GPa 31
26
Tensile Strength: Ultimate (UTS), MPa 350
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 130
110
Specific Heat Capacity, J/kg-K 140
240
Thermal Expansion, µm/m-K 5.9
20

Otherwise Unclassified Properties

Density, g/cm3 13
10

Common Calculations

Stiffness to Weight: Axial, points 3.3
3.8
Stiffness to Weight: Bending, points 11
13
Strength to Weight: Axial, points 7.4
4.9 to 8.9
Strength to Weight: Bending, points 8.4
6.9 to 10
Thermal Shock Resistance, points 55
9.5 to 17

Alloy Composition


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Hafnium (Hf), % 99.8 to 100
0
Silver (Ag), % 0
99.9 to 100
Residuals, % 0 to 0.23
0 to 0.1