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224.0 Aluminum vs. Type 1 Niobium

224.0 aluminum belongs to the aluminum alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 224.0 aluminum and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 4.0 to 10
29
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 27
38
Tensile Strength: Ultimate (UTS), MPa 380 to 420
140
Tensile Strength: Yield (Proof), MPa 280 to 330
82

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Specific Heat Capacity, J/kg-K 870
270
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 23
7.3

Otherwise Unclassified Properties

Density, g/cm3 3.0
8.6
Embodied Water, L/kg 1150
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 35
35
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 770
32
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 35 to 38
4.6
Strength to Weight: Bending, points 38 to 41
7.1
Thermal Diffusivity, mm2/s 47
23
Thermal Shock Resistance, points 17 to 18
13

Alloy Composition

Aluminum (Al), % 93 to 95.2
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 4.5 to 5.5
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.1
0 to 0.0050
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0 to 0.060
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.35
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Vanadium (V), % 0.050 to 0.15
0
Zirconium (Zr), % 0.1 to 0.25
0 to 0.020
Residuals, % 0 to 0.1
0