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8176 Aluminum vs. Grade 702C Zirconium

8176 aluminum belongs to the aluminum alloys classification, while grade 702C 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 8176 aluminum and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
97
Elongation at Break, % 15
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
36
Tensile Strength: Ultimate (UTS), MPa 160
430
Tensile Strength: Yield (Proof), MPa 95
310

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Specific Heat Capacity, J/kg-K 900
270
Thermal Conductivity, W/m-K 230
22
Thermal Expansion, µm/m-K 24
5.7

Otherwise Unclassified Properties

Density, g/cm3 2.7
6.7
Embodied Water, L/kg 1190
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
52
Resilience: Unit (Modulus of Resilience), kJ/m3 66
510
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 93
12
Thermal Shock Resistance, points 7.0
55

Alloy Composition

Aluminum (Al), % 98.6 to 99.6
0
Carbon (C), % 0
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0.4 to 1.0
0 to 0.3
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.030 to 0.15
0
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
94.8 to 100
Residuals, % 0 to 0.15
0