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Commercially Pure Zirconium vs. EN AC-48000 Aluminum

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN AC-48000 aluminum belongs to the aluminum alloys. 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 commercially pure zirconium and the bottom bar is EN AC-48000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
73
Elongation at Break, % 18
1.0
Fatigue Strength, MPa 60
85 to 86
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
28
Tensile Strength: Ultimate (UTS), MPa 430
220 to 310
Tensile Strength: Yield (Proof), MPa 240
210 to 270

Thermal Properties

Latent Heat of Fusion, J/g 250
570
Specific Heat Capacity, J/kg-K 270
890
Thermal Conductivity, W/m-K 22
130
Thermal Expansion, µm/m-K 5.5
21

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.7
Embodied Water, L/kg 450
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
2.2 to 3.0
Resilience: Unit (Modulus of Resilience), kJ/m3 290
300 to 510
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
53
Strength to Weight: Axial, points 18
23 to 33
Strength to Weight: Bending, points 19
31 to 39
Thermal Diffusivity, mm2/s 12
54
Thermal Shock Resistance, points 56
10 to 15

Alloy Composition

Aluminum (Al), % 0
80.4 to 87.2
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
0.8 to 1.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.5
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0
0.7 to 1.3
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Silicon (Si), % 0
10.5 to 13.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Zirconium (Zr), % 94.7 to 100
0
Residuals, % 0
0 to 0.15