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7178 Aluminum vs. Nickel 59

7178 aluminum belongs to the aluminum alloys classification, while nickel 59 belongs to the nickel alloys. There are 28 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 7178 aluminum and the bottom bar is nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
220
Elongation at Break, % 4.5 to 12
50
Fatigue Strength, MPa 120 to 210
320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
84
Shear Strength, MPa 140 to 380
560
Tensile Strength: Ultimate (UTS), MPa 240 to 640
780
Tensile Strength: Yield (Proof), MPa 120 to 560
350

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 180
990
Melting Completion (Liquidus), °C 630
1500
Melting Onset (Solidus), °C 480
1450
Specific Heat Capacity, J/kg-K 860
430
Thermal Conductivity, W/m-K 130
10
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
65
Density, g/cm3 3.1
8.7
Embodied Carbon, kg CO2/kg material 8.2
12
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 52
320
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 2220
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
23
Strength to Weight: Axial, points 21 to 58
25
Strength to Weight: Bending, points 28 to 54
22
Thermal Diffusivity, mm2/s 47
2.7
Thermal Shock Resistance, points 10 to 28
15

Alloy Composition

Aluminum (Al), % 85.4 to 89.5
0.1 to 0.4
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0.18 to 0.28
22 to 24
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 1.6 to 2.4
0 to 0.5
Iron (Fe), % 0 to 0.5
0 to 1.5
Magnesium (Mg), % 2.4 to 3.1
0
Manganese (Mn), % 0 to 0.3
0 to 0.5
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 0
56.2 to 62.9
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 6.3 to 7.3
0
Residuals, % 0 to 0.15
0