Highly-Ductile Magnesium Alloys: Atomistic-Flow Mechanisms and Alloy Designing
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: closed (31 March 2020) | Viewed by 2239
Special Issue Editor
Interests: metals; processing; mechanical properties and formability; multiscale simulation of plasticity in metals
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
For reducing the oil consumption and avoiding the related environmental problems, scientists are always looking for lightweight structural materials that show high performance during both processing and application. Among the various candidates, Mg seems to be the most promising to achieve this target, where it is ~33, 60, and 75% lighter than Al, Ti and steel, respectively. On the other hand, the poor mechanical properties of Mg, like low ductility, limit its potentiality in several fields. One example showing the effect of this limitation on the applicability of Mg was reached long time ago. During the 1930s, Bugatti Aerolithe, one of the most beautiful and amazing cars ever built, was designed in Volkswagen Beetle by Jean Bugatti. In this design, Al alloys were totally replaced by a Mg alloy. This alloy had high strength-to-weight ratios which can be comparable to those of other materials used in the car bodies industry. However, the Bugatti Aerolithe was more expensive as compared to the other cars. The high cost was mainly related to the poor ductility of the Mg alloy used to build the body, where a special interest had to be paid during the processing of the different parts. Accordingly, it is worth noting that “All-in-One” Mg materials (lightweight, high strength and improved ductility) can be a main component for manufacturing green vehicles. This issue will cover several topics related to a further understanding of the atomistic mechanisms that control the ductility in Mg, and the effect of Mg alloy composition on such mechanisms. In addition, the effect of microstructure and texture on the mechanical performance of Mg alloys will be covered.
Prof. Kotiba Hamad
Guest Editor
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Keywords
- Magnesium alloys
- Alloy design
- Mechanical properties
- Plasticity
- Multiscale simulation
- Density functional theory
- Molecular dynamic simulation
- VASP
- LAMMPS
