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Type 1 Niobium vs. C63800 Bronze

Type 1 niobium belongs to the otherwise unclassified metals classification, while C63800 bronze belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is Type 1 niobium and the bottom bar is C63800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
7.9 to 41
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
43
Tensile Strength: Ultimate (UTS), MPa 140
460 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 52
40
Thermal Expansion, µm/m-K 7.3
17

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Water, L/kg 160
330

Common Calculations

Stiffness to Weight: Axial, points 6.8
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 4.6
15 to 33
Strength to Weight: Bending, points 7.1
15 to 26
Thermal Diffusivity, mm2/s 23
11
Thermal Shock Resistance, points 13
17 to 36

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.1
Carbon (C), % 0 to 0.010
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
92.4 to 95.8
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 0.2
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
1.5 to 2.1
Tantalum (Ta), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.8
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.5