Nuclear Grade Hafnium vs. 70Ag-30Ni Alloy
Both nuclear grade hafnium and 70Ag-30Ni alloy are otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is 70Ag-30Ni alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 100 |
| Poisson's Ratio | 0.26 | |
| 0.35 |
| Shear Modulus, GPa | 31 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 320 to 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 300 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.3 | |
| 5.8 |
| Stiffness to Weight: Bending, points | 11 | |
| 16 |
| Strength to Weight: Axial, points | 7.4 | |
| 8.8 to 15 |
| Strength to Weight: Bending, points | 8.4 | |
| 10 to 15 |
| Thermal Shock Resistance, points | 55 | |
| 13 to 21 |
Alloy Composition
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 28.8 to 31 |
| Silver (Ag), % | 0 | |
| 69 to 71 |
| Residuals, % | 0 | |
| 0 to 0.2 |