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Nuclear Grade Hafnium vs. N07752 Nickel

Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while N07752 nickel belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is N07752 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
190
Elongation at Break, % 25
22
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 31
73
Tensile Strength: Ultimate (UTS), MPa 350
1120
Tensile Strength: Yield (Proof), MPa 170
740

Thermal Properties

Latent Heat of Fusion, J/g 130
310
Specific Heat Capacity, J/kg-K 140
460
Thermal Expansion, µm/m-K 5.9
12

Otherwise Unclassified Properties

Density, g/cm3 13
8.4

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
220
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1450
Stiffness to Weight: Axial, points 3.3
13
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 7.4
37
Strength to Weight: Bending, points 8.4
29
Thermal Shock Resistance, points 55
34

Alloy Composition


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Aluminum (Al), % 0
0.4 to 1.0
Boron (B), % 0
0 to 0.0070
Carbon (C), % 0
0.020 to 0.060
Chromium (Cr), % 0
14.5 to 17
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.5
Hafnium (Hf), % 99.8 to 100
0
Iron (Fe), % 0
5.0 to 9.0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
70 to 77.1
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0
0 to 0.0080
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0030
Titanium (Ti), % 0
2.3 to 2.8
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0 to 0.23
0