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Commercially Pure Zirconium vs. EN AC-71100 Aluminum

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, 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 commercially pure zirconium and the bottom bar is EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
72
Elongation at Break, % 18
1.1
Fatigue Strength, MPa 60
150
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
27
Tensile Strength: Ultimate (UTS), MPa 430
260
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 250
490
Specific Heat Capacity, J/kg-K 270
860
Thermal Expansion, µm/m-K 5.5
22

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.9
Embodied Water, L/kg 450
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 290
360
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 19
31
Thermal Shock Resistance, points 56
12

Alloy Composition

Aluminum (Al), % 0
78.7 to 83.3
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.1
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.3
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0
0 to 0.15
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Silicon (Si), % 0
7.5 to 9.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
9.0 to 10.5
Zirconium (Zr), % 94.7 to 100
0
Residuals, % 0
0 to 0.15