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Sintered 2014 Aluminum vs. 7108 Aluminum

Both sintered 2014 aluminum and 7108 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 (1, in this case) are not shown.

For each property being compared, the top bar is sintered 2014 aluminum and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 0.5 to 3.0
11
Fatigue Strength, MPa 52 to 100
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 140 to 290
350
Tensile Strength: Yield (Proof), MPa 97 to 280
290

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 560
530
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.0 to 5.7
38
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 560
620
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
47
Strength to Weight: Axial, points 13 to 27
34
Strength to Weight: Bending, points 20 to 33
38
Thermal Diffusivity, mm2/s 51
59
Thermal Shock Resistance, points 6.2 to 13
16

Alloy Composition

Aluminum (Al), % 91.5 to 96.3
92.4 to 94.7
Copper (Cu), % 3.5 to 5.0
0 to 0.050
Iron (Fe), % 0
0 to 0.1
Magnesium (Mg), % 0.2 to 0.8
0.7 to 1.4
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0 to 1.2
0 to 0.1
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15