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CR006A Copper vs. QE22A Magnesium

CR006A copper belongs to the copper alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 CR006A copper and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
44
Elongation at Break, % 15
2.4
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
17
Tensile Strength: Ultimate (UTS), MPa 230
250
Tensile Strength: Yield (Proof), MPa 140
190

Thermal Properties

Latent Heat of Fusion, J/g 210
340
Maximum Temperature: Mechanical, °C 200
250
Melting Completion (Liquidus), °C 1090
640
Melting Onset (Solidus), °C 1040
570
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 380
110
Thermal Expansion, µm/m-K 17
27

Otherwise Unclassified Properties

Density, g/cm3 9.0
2.0
Embodied Carbon, kg CO2/kg material 2.6
27
Embodied Energy, MJ/kg 41
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 83
400
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
60
Strength to Weight: Axial, points 7.1
36
Strength to Weight: Bending, points 9.3
46
Thermal Diffusivity, mm2/s 110
59
Thermal Shock Resistance, points 8.1
15

Alloy Composition

Copper (Cu), % 99.9 to 100
0 to 0.1
Magnesium (Mg), % 0
93.1 to 95.8
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0 to 0.1
0
Silver (Ag), % 0 to 0.015
2.0 to 3.0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3