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8090 Aluminum vs. Nickel 22

8090 aluminum belongs to the aluminum alloys classification, while nickel 22 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 8090 aluminum and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
220
Elongation at Break, % 3.5 to 13
49
Fatigue Strength, MPa 91 to 140
330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
84
Tensile Strength: Ultimate (UTS), MPa 340 to 490
790
Tensile Strength: Yield (Proof), MPa 210 to 420
360

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 190
990
Melting Completion (Liquidus), °C 660
1390
Melting Onset (Solidus), °C 600
1360
Specific Heat Capacity, J/kg-K 960
430
Thermal Conductivity, W/m-K 95 to 160
10
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 66
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
70
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.6
12
Embodied Energy, MJ/kg 170
170
Embodied Water, L/kg 1160
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
320
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 34 to 49
25
Strength to Weight: Bending, points 39 to 50
21
Thermal Diffusivity, mm2/s 36 to 60
2.7
Thermal Shock Resistance, points 15 to 22
24

Alloy Composition


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Aluminum (Al), % 93 to 98.4
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.1
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 1.0 to 1.6
0
Iron (Fe), % 0 to 0.3
2.0 to 6.0
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
50.8 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0