AWS BAu-3 vs. Nuclear Grade Hafnium
Both AWS BAu-3 and nuclear grade hafnium are otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS BAu-3 and the bottom bar is nuclear grade hafnium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 78 |
| Poisson's Ratio | 0.37 | |
| 0.26 |
| Shear Modulus, GPa | 41 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 130 |
| Specific Heat Capacity, J/kg-K | 300 | |
| 140 |
| Thermal Expansion, µm/m-K | 16 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 13 |
Common Calculations
| Stiffness to Weight: Axial, points | 5.0 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 13 | |
| 11 |
| Strength to Weight: Axial, points | 4.9 | |
| 7.4 |
| Strength to Weight: Bending, points | 6.4 | |
| 8.4 |
| Thermal Shock Resistance, points | 8.7 | |
| 55 |
Alloy Composition
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| Copper (Cu), % | 60.9 to 63 | |
| 0 |
| Gold (Au), % | 34.5 to 35.5 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 99.8 to 100 |
| Nickel (Ni), % | 2.5 to 3.5 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.23 |