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C19800 Copper vs. Nuclear Grade Hafnium

C19800 copper belongs to the copper alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 17 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 C19800 copper and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
78
Elongation at Break, % 9.0 to 12
25
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 43
31
Tensile Strength: Ultimate (UTS), MPa 430 to 550
350
Tensile Strength: Yield (Proof), MPa 420 to 550
170

Thermal Properties

Latent Heat of Fusion, J/g 210
130
Specific Heat Capacity, J/kg-K 390
140
Thermal Expansion, µm/m-K 18
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.9
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 52
73
Resilience: Unit (Modulus of Resilience), kJ/m3 770 to 1320
180
Stiffness to Weight: Axial, points 7.2
3.3
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 14 to 17
7.4
Strength to Weight: Bending, points 14 to 17
8.4
Thermal Shock Resistance, points 15 to 20
55

Alloy Composition

Copper (Cu), % 95.7 to 99.47
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 0.020 to 0.5
0
Magnesium (Mg), % 0.1 to 1.0
0
Phosphorus (P), % 0.010 to 0.1
0
Tin (Sn), % 0.1 to 1.0
0
Zinc (Zn), % 0.3 to 1.5
0
Residuals, % 0
0 to 0.23