Nuclear Grade Hafnium vs. C77100 Nickel Silver
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while C77100 nickel silver belongs to the copper alloys. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is C77100 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 110 |
| Poisson's Ratio | 0.26 | |
| 0.31 |
| Shear Modulus, GPa | 31 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 600 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 390 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.1 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 1280 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 11 | |
| 20 |
| Strength to Weight: Axial, points | 7.4 | |
| 21 |
| Strength to Weight: Bending, points | 8.4 | |
| 20 |
| Thermal Shock Resistance, points | 55 | |
| 19 |
Alloy Composition
| Copper (Cu), % | 0 | |
| 52 to 56 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 | |
| 0 to 0.9 |
| Nickel (Ni), % | 0 | |
| 9.0 to 12 |
| Zinc (Zn), % | 0 | |
| 30.6 to 39 |
| Residuals, % | 0 | |
| 0 to 0.5 |