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7020 Aluminum vs. Sintered 2014 Aluminum

Both 7020 aluminum and sintered 2014 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7020 aluminum and the bottom bar is sintered 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 8.4 to 14
0.5 to 3.0
Fatigue Strength, MPa 110 to 130
52 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 190 to 390
140 to 290
Tensile Strength: Yield (Proof), MPa 120 to 310
97 to 280

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 610
560
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.9
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
1.0 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
68 to 560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
47
Strength to Weight: Axial, points 18 to 37
13 to 27
Strength to Weight: Bending, points 25 to 41
20 to 33
Thermal Diffusivity, mm2/s 59
51
Thermal Shock Resistance, points 8.3 to 17
6.2 to 13

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
91.5 to 96.3
Chromium (Cr), % 0.1 to 0.35
0
Copper (Cu), % 0 to 0.2
3.5 to 5.0
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 1.0 to 1.4
0.2 to 0.8
Manganese (Mn), % 0.050 to 0.5
0
Silicon (Si), % 0 to 0.35
0 to 1.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0
0 to 1.5