Nuclear Grade Hafnium vs. C95500 Bronze
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while C95500 bronze belongs to the copper alloys. 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 nuclear grade hafnium and the bottom bar is C95500 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 120 |
| Elongation at Break, % | 25 | |
| 8.4 to 10 |
| Poisson's Ratio | 0.26 | |
| 0.34 |
| Shear Modulus, GPa | 31 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 700 to 850 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 320 to 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 230 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 450 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 58 to 61 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 420 to 950 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 11 | |
| 20 |
| Strength to Weight: Axial, points | 7.4 | |
| 24 to 29 |
| Strength to Weight: Bending, points | 8.4 | |
| 21 to 24 |
| Thermal Shock Resistance, points | 55 | |
| 24 to 29 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 10 to 11.5 |
| Copper (Cu), % | 0 | |
| 78 to 84 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 3.0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 3.5 |
| Nickel (Ni), % | 0 | |
| 3.0 to 5.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |