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R30008 Cobalt vs. Sintered 2014 Aluminum

R30008 cobalt belongs to the cobalt alloys classification, while sintered 2014 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, 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 R30008 cobalt and the bottom bar is sintered 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 1.1 to 73
0.5 to 3.0
Fatigue Strength, MPa 320 to 530
52 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 83
26
Tensile Strength: Ultimate (UTS), MPa 950 to 1700
140 to 290
Tensile Strength: Yield (Proof), MPa 500 to 1080
97 to 280

Thermal Properties

Latent Heat of Fusion, J/g 320
390
Melting Completion (Liquidus), °C 1400
650
Melting Onset (Solidus), °C 1330
560
Specific Heat Capacity, J/kg-K 450
880
Thermal Expansion, µm/m-K 13
23

Otherwise Unclassified Properties

Base Metal Price, % relative 95
10
Density, g/cm3 8.4
2.9
Embodied Carbon, kg CO2/kg material 8.1
8.0
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 400
1150

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 2720
68 to 560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 31 to 56
13 to 27
Strength to Weight: Bending, points 25 to 37
20 to 33
Thermal Shock Resistance, points 25 to 44
6.2 to 13

Alloy Composition

Aluminum (Al), % 0
91.5 to 96.3
Boron (B), % 0 to 0.0010
0
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 18.5 to 21.5
0
Cobalt (Co), % 39 to 42
0
Copper (Cu), % 0
3.5 to 5.0
Iron (Fe), % 7.6 to 20
0
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 1.0 to 2.0
0
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 15 to 18
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 1.2
0 to 1.2
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 1.5