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CR012A Copper vs. 2095 Aluminum

CR012A copper belongs to the copper alloys classification, while 2095 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 CR012A copper and the bottom bar is 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 15
8.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Tensile Strength: Ultimate (UTS), MPa 220
700
Tensile Strength: Yield (Proof), MPa 130
610

Thermal Properties

Latent Heat of Fusion, J/g 210
390
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1090
660
Melting Onset (Solidus), °C 1040
540
Specific Heat Capacity, J/kg-K 390
910
Thermal Conductivity, W/m-K 390
130
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
35
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 9.0
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.6
Embodied Energy, MJ/kg 42
160
Embodied Water, L/kg 360
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
57
Resilience: Unit (Modulus of Resilience), kJ/m3 76
2640
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
46
Strength to Weight: Axial, points 6.8
65
Strength to Weight: Bending, points 9.0
59
Thermal Diffusivity, mm2/s 110
49
Thermal Shock Resistance, points 7.8
31

Alloy Composition


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Aluminum (Al), % 0
91.3 to 94.9
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
3.9 to 4.6
Iron (Fe), % 0
0 to 0.15
Lithium (Li), % 0
0.7 to 1.5
Magnesium (Mg), % 0
0.25 to 0.8
Manganese (Mn), % 0
0 to 0.25
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.12
Silver (Ag), % 0.060 to 0.080
0.25 to 0.6
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.18
Residuals, % 0
0 to 0.15