Nuclear Grade Hafnium vs. Solder Alloy 101
Both nuclear grade hafnium and solder alloy 101 are otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is solder alloy 101.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 38 |
| Elongation at Break, % | 25 | |
| 48 |
| Poisson's Ratio | 0.26 | |
| 0.39 |
| Shear Modulus, GPa | 31 | |
| 14 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 31 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 27 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 46 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 190 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 25 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 14 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 9.9 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 2.4 |
| Stiffness to Weight: Bending, points | 11 | |
| 13 |
| Strength to Weight: Axial, points | 7.4 | |
| 1.0 |
| Strength to Weight: Bending, points | 8.4 | |
| 2.5 |
| Thermal Shock Resistance, points | 55 | |
| 2.4 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.2 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Copper (Cu), % | 0 | |
| 0 to 0.080 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 35.8 to 37.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silver (Ag), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 62.5 to 63.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Residuals, % | 0 to 0.23 | |
| 0 |