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Type 1 Niobium vs. CR024A Copper

Type 1 niobium belongs to the otherwise unclassified metals classification, while CR024A copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Type 1 niobium and the bottom bar is CR024A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 29
15
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
43
Tensile Strength: Ultimate (UTS), MPa 140
230
Tensile Strength: Yield (Proof), MPa 82
140

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Specific Heat Capacity, J/kg-K 270
390
Thermal Conductivity, W/m-K 52
370
Thermal Expansion, µm/m-K 7.3
17

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.0
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
31
Resilience: Unit (Modulus of Resilience), kJ/m3 32
83
Stiffness to Weight: Axial, points 6.8
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 4.6
7.1
Strength to Weight: Bending, points 7.1
9.3
Thermal Diffusivity, mm2/s 23
110
Thermal Shock Resistance, points 13
8.1

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
99.9 to 99.985
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0.015 to 0.040
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.015
Tantalum (Ta), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zirconium (Zr), % 0 to 0.020
0