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5050 Aluminum vs. Reactor Grade Zirconium

5050 aluminum belongs to the aluminum alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 5050 aluminum and the bottom bar is reactor grade zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
98
Elongation at Break, % 1.7 to 22
21
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
37
Tensile Strength: Ultimate (UTS), MPa 140 to 250
330
Tensile Strength: Yield (Proof), MPa 50 to 210
160

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Specific Heat Capacity, J/kg-K 900
270
Thermal Conductivity, W/m-K 190
22
Thermal Expansion, µm/m-K 24
5.9

Otherwise Unclassified Properties

Density, g/cm3 2.7
6.5
Embodied Water, L/kg 1190
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
56
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
130
Stiffness to Weight: Axial, points 14
8.4
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15 to 26
14
Strength to Weight: Bending, points 22 to 33
16
Thermal Diffusivity, mm2/s 79
13
Thermal Shock Resistance, points 6.3 to 11
41

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.4
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
99.7 to 100
Residuals, % 0
0 to 0.27