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2011 Aluminum vs. Grade 704C Zirconium

2011 aluminum belongs to the aluminum alloys classification, while grade 704C 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 2011 aluminum and the bottom bar is grade 704C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
97
Elongation at Break, % 8.5 to 18
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 310 to 420
470
Tensile Strength: Yield (Proof), MPa 140 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 390
240
Specific Heat Capacity, J/kg-K 870
270
Thermal Conductivity, W/m-K 140 to 170
21
Thermal Expansion, µm/m-K 23
5.9

Otherwise Unclassified Properties

Density, g/cm3 3.1
6.7
Embodied Water, L/kg 1150
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
48
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
490
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 44
23
Strength to Weight: Axial, points 27 to 37
20
Strength to Weight: Bending, points 32 to 40
20
Thermal Diffusivity, mm2/s 51 to 64
12
Thermal Shock Resistance, points 14 to 19
58

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.1
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 0.3
Lead (Pb), % 0.2 to 0.6
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
1.0 to 2.0
Zinc (Zn), % 0 to 0.3
0
Zirconium (Zr), % 0
92.9 to 99
Residuals, % 0 to 0.15
0