Alloy Development, Microstructural, and Mechanical Behaviour of Mg–Ce Based Alloys

Lightweight magnesium (Mg) alloysMagnesium alloys (Mg alloys) attract great attention for automotive applications, especially in power train components. It acknowledges the potential of rare earthRare-earth elements, specifically cerium (Ce), as an alloying addition to enhance the mechanical propertiesMechanical Properties of Mg alloysMagnesium alloys (Mg alloys) at both room and high temperatures. However, its precise role is not yet well understood, particularly regarding nano-scale phase transformations, interface-solute segregations, and their effect on mechanical behaviour. To address this knowledge gap, the study focuses on design of Mg–Ce based alloysMg-Ce based alloys with further alloying additions of Dy, Gd, and Zr for high temperature applications. More specifically, we investigate the evolution of strengthening metastable and stableStable/metastable phase precipitates and their influence on their mechanical propertiesMechanical Properties. A thorough microstructural analysis of the alloys using Transmission Electron MicroscopyTransmission Electron Microscopy (TEM) (TEM), and Atom Probe TomographyAtom Probe Tomography (APT) will be presented.