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ZK51A Magnesium vs. Sintered 2014 Aluminum

ZK51A magnesium belongs to the magnesium alloys classification, while sintered 2014 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ZK51A magnesium and the bottom bar is sintered 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 4.7
0.5 to 3.0
Fatigue Strength, MPa 62
52 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Tensile Strength: Ultimate (UTS), MPa 240
140 to 290
Tensile Strength: Yield (Proof), MPa 150
97 to 280

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 550
560
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 1.8
2.9
Embodied Carbon, kg CO2/kg material 24
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 940
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
1.0 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 260
68 to 560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 64
47
Strength to Weight: Axial, points 36
13 to 27
Strength to Weight: Bending, points 47
20 to 33
Thermal Diffusivity, mm2/s 61
51
Thermal Shock Resistance, points 15
6.2 to 13

Alloy Composition

Aluminum (Al), % 0
91.5 to 96.3
Copper (Cu), % 0 to 0.1
3.5 to 5.0
Magnesium (Mg), % 93.1 to 95.9
0.2 to 0.8
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 1.2
Zinc (Zn), % 3.6 to 5.5
0
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 1.5