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2011 Aluminum vs. Commercially Pure Zirconium

2011 aluminum belongs to the aluminum alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 2011 aluminum and the bottom bar is commercially pure zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
98
Elongation at Break, % 8.5 to 18
18
Fatigue Strength, MPa 74 to 120
60
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 310 to 420
430
Tensile Strength: Yield (Proof), MPa 140 to 310
240

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Specific Heat Capacity, J/kg-K 870
270
Thermal Conductivity, W/m-K 140 to 170
22
Thermal Expansion, µm/m-K 23
5.5

Otherwise Unclassified Properties

Density, g/cm3 3.1
6.7
Embodied Water, L/kg 1150
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
65
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
290
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 44
23
Strength to Weight: Axial, points 27 to 37
18
Strength to Weight: Bending, points 32 to 40
19
Thermal Diffusivity, mm2/s 51 to 64
12
Thermal Shock Resistance, points 14 to 19
56

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 5.0 to 6.0
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 0.2 to 0.6
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Silicon (Si), % 0 to 0.4
0
Zinc (Zn), % 0 to 0.3
0
Zirconium (Zr), % 0
94.7 to 100
Residuals, % 0 to 0.15
0