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C19020 Copper vs. Nuclear Grade Hafnium

C19020 copper belongs to the copper alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C19020 copper and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
78
Elongation at Break, % 2.3 to 5.7
25
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 440 to 590
350

Thermal Properties

Latent Heat of Fusion, J/g 210
130
Specific Heat Capacity, J/kg-K 390
140
Thermal Expansion, µm/m-K 17
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.9
13

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.3
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 14 to 18
7.4
Strength to Weight: Bending, points 14 to 18
8.4
Thermal Shock Resistance, points 16 to 21
55

Alloy Composition

Copper (Cu), % 95.7 to 99.19
0
Hafnium (Hf), % 0
99.8 to 100
Nickel (Ni), % 0.5 to 3.0
0
Phosphorus (P), % 0.010 to 0.2
0
Tin (Sn), % 0.3 to 0.9
0
Residuals, % 0
0 to 0.23