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7108 Aluminum vs. N07773 Nickel

7108 aluminum belongs to the aluminum alloys classification, while N07773 nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 7108 aluminum and the bottom bar is N07773 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 11
40
Fatigue Strength, MPa 120
220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
77
Shear Strength, MPa 210
480
Tensile Strength: Ultimate (UTS), MPa 350
710
Tensile Strength: Yield (Proof), MPa 290
270

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 210
990
Melting Completion (Liquidus), °C 630
1510
Melting Onset (Solidus), °C 530
1460
Specific Heat Capacity, J/kg-K 880
450
Thermal Expansion, µm/m-K 24
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.9
8.5
Embodied Carbon, kg CO2/kg material 8.3
13
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 1150
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
220
Resilience: Unit (Modulus of Resilience), kJ/m3 620
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 34
23
Strength to Weight: Bending, points 38
21
Thermal Shock Resistance, points 16
20

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
0 to 2.0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 27
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.1
0 to 32
Magnesium (Mg), % 0.7 to 1.4
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 5.5
Nickel (Ni), % 0
45 to 60
Niobium (Nb), % 0
2.5 to 6.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.050
0 to 2.0
Tungsten (W), % 0
0 to 6.0
Zinc (Zn), % 4.5 to 5.5
0
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0 to 0.15
0