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Type 3 Niobium vs. C94300 Bronze

Type 3 niobium belongs to the otherwise unclassified metals classification, while C94300 bronze 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 3 niobium and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
87
Elongation at Break, % 23
9.7
Poisson's Ratio 0.4
0.36
Shear Modulus, GPa 38
32
Tensile Strength: Ultimate (UTS), MPa 220
180
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 310
150
Specific Heat Capacity, J/kg-K 270
320
Thermal Conductivity, W/m-K 42
63
Thermal Expansion, µm/m-K 7.3
20

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.3
Embodied Water, L/kg 160
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
15
Resilience: Unit (Modulus of Resilience), kJ/m3 93
77
Stiffness to Weight: Axial, points 6.8
5.2
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 7.2
5.2
Strength to Weight: Bending, points 9.5
7.4
Thermal Diffusivity, mm2/s 18
21
Thermal Shock Resistance, points 21
7.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
67 to 72
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.15
Lead (Pb), % 0
23 to 27
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Niobium (Nb), % 98.6 to 99.2
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
4.5 to 6.0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.8
Zirconium (Zr), % 0.8 to 1.2
0
Residuals, % 0
0 to 1.0