Latest Developments in Magnesium Technology—Alloying, Processing, Microstructure, Deformation Mechanism and Mechanical Properties

Dear Colleagues,

Research on magnesium alloys has made great progress in the past 20 years, as demonstrated by significant improvements in their collective properties: Strength, ductility, formability, and even corrosion resistance. These improvements have come about through the development of new alloys and new processing strategies. Alloy design strategies involving second phase precipitates have varied widely, from duplex microstructures involving long period stacking ordered (LSPO) intermetallic compounds, to ultrafine grained alloys with grain boundaries pinned by icosahedral quasicrystalline particles, all the way to microalloying strategies designed to enhance the number density of ultrafine precipitates and Guinier-Preston (GP) zones. Solid solution alloying effects of elements like Y and Li continue to be of great interest, for enhancement of ductility and even corrosion resistance. In addition, there have been major developments in understanding the deformation behavior that involves the activation of multiple slip systems and stacking faults, as well as mechanical twinning. Various experimental and simulation techniques and modelling have been applied to understand these phenomena. New processing techniques have been applied to obtain fine grain size and manipulate texture in order to control strength and ductility. New alloys have been developed such as Mg–Zn–Ca, which are promising for bio-applications, when combined with processing techniques to obtain the desired mechanical properties, and dilute Mg–Al–Ca–Mn alloys that exhibit excellent strength and ductility combinations after high-speed extrusion and aging. Thus, tremendous progress has been made by developing an understanding the role of various alloying elements and the basics of deformation mechanisms. This Special Issue aims to present the current status of development in these and related areas, and to present these perspectives in a single volume. We welcome and look forward to your latest contributions to these areas of investigation.

Dr. Alok Singh
Prof. Dr. Sean R. Agnew
Guest Editors

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