AZ91A Magnesium vs. Sintered 2014 Aluminum
AZ91A 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 (4, in this case) are not shown.
For each property being compared, the top bar is AZ91A magnesium and the bottom bar is sintered 2014 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 70 |
| Elongation at Break, % | 5.0 | |
| 0.5 to 3.0 |
| Fatigue Strength, MPa | 99 | |
| 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 | 160 | |
| 97 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 360 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 470 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 880 |
| Thermal Conductivity, W/m-K | 73 | |
| 130 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 52 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 10 |
| Density, g/cm3 | 1.7 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 8.0 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 990 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 1.0 to 5.7 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 | |
| 68 to 560 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 69 | |
| 47 |
| Strength to Weight: Axial, points | 38 | |
| 13 to 27 |
| Strength to Weight: Bending, points | 49 | |
| 20 to 33 |
| Thermal Diffusivity, mm2/s | 42 | |
| 51 |
| Thermal Shock Resistance, points | 14 | |
| 6.2 to 13 |
Alloy Composition
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| Aluminum (Al), % | 8.3 to 9.7 | |
| 91.5 to 96.3 |
| Copper (Cu), % | 0 to 0.1 | |
| 3.5 to 5.0 |
| Magnesium (Mg), % | 88.2 to 91.2 | |
| 0.2 to 0.8 |
| Manganese (Mn), % | 0.13 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.2 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 1.5 |