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Commercially Pure Zirconium vs. 5059 Aluminum

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while 5059 aluminum belongs to the aluminum alloys. There are 21 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 commercially pure zirconium and the bottom bar is 5059 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
69
Elongation at Break, % 18
11 to 25
Fatigue Strength, MPa 60
170 to 240
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
26
Tensile Strength: Ultimate (UTS), MPa 430
350 to 410
Tensile Strength: Yield (Proof), MPa 240
170 to 300

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Specific Heat Capacity, J/kg-K 270
900
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 5.5
24

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.7
Embodied Water, L/kg 450
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 290
220 to 650
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 18
36 to 42
Strength to Weight: Bending, points 19
41 to 45
Thermal Diffusivity, mm2/s 12
44
Thermal Shock Resistance, points 56
16 to 18

Alloy Composition

Aluminum (Al), % 0
89.9 to 94
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0 to 0.25
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.5
Magnesium (Mg), % 0
5.0 to 6.0
Manganese (Mn), % 0
0.6 to 1.2
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Silicon (Si), % 0
0 to 0.45
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0.4 to 0.9
Zirconium (Zr), % 94.7 to 100
0.050 to 0.25
Residuals, % 0
0 to 0.15