Type 2 Niobium vs. C15100 Copper
Type 2 niobium belongs to the otherwise unclassified metals classification, while C15100 copper belongs to the copper alloys. There are 20 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 Type 2 niobium and the bottom bar is C15100 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 29 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.4 | |
| 0.34 |
| Shear Modulus, GPa | 38 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 140 | |
| 260 to 470 |
| Tensile Strength: Yield (Proof), MPa | 82 | |
| 69 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 390 |
| Thermal Conductivity, W/m-K | 52 | |
| 360 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 9.0 |
| Embodied Water, L/kg | 160 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 35 | |
| 9.3 to 71 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 32 | |
| 21 to 890 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 4.6 | |
| 8.1 to 15 |
| Strength to Weight: Bending, points | 7.1 | |
| 10 to 15 |
| Thermal Diffusivity, mm2/s | 23 | |
| 100 |
| Thermal Shock Resistance, points | 13 | |
| 9.3 to 17 |
Alloy Composition
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| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 99.8 to 99.95 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Niobium (Nb), % | 99.5 to 100 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 0 to 0.3 | |
| 0 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0.050 to 0.15 |
| Residuals, % | 0 | |
| 0 to 0.1 |