Nuclear Grade Hafnium vs. C94700 Bronze
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while C94700 bronze belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is C94700 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 110 |
| Elongation at Break, % | 25 | |
| 7.9 to 32 |
| Poisson's Ratio | 0.26 | |
| 0.34 |
| Shear Modulus, GPa | 31 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 350 to 590 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 160 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 200 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 380 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 41 to 89 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 110 to 700 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 11 | |
| 18 |
| Strength to Weight: Axial, points | 7.4 | |
| 11 to 19 |
| Strength to Weight: Bending, points | 8.4 | |
| 13 to 18 |
| Thermal Shock Resistance, points | 55 | |
| 12 to 21 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 0 | |
| 85 to 90 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 | |
| 4.5 to 6.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 | |
| 4.5 to 6.0 |
| Zinc (Zn), % | 0 | |
| 1.0 to 2.5 |
| Residuals, % | 0 to 0.23 | |
| 0 to 1.3 |