Developing Magnesium Alloys with a Combination of Strength and Ductility Based on Friction Stir-Based Technologies

Magnesium (Mg) and its alloys represent the lightest structural metallic materials available, with a density approximately two-thirds that of aluminum (Al) alloys and four to five times lighter than steel. This characteristic, combined with a high strength-to-weight ratio, enables their use in sectors where mass reduction is pivotal, such as in transportation industries including automobiles and aeronautics, ultimately improving fuel efficiency and reducing emissions. However, the production of Mg remains energy-intensive, counteracting some environmental benefits. Furthermore, the hexagonal close packed (HCP) crystal structure of Mg alloys complicates the balance between strength and ductility, posing significant challenges in their application. This research aims to develop Mg alloys that successfully integrate strength and ductility through innovative friction stir-based technologies. The methodology involves the careful selection of alloy compositions and processing parameters, followed by extensive mechanical testing to evaluate the resultant material properties. Preliminary findings indicate that the proposed approach can lead to significant improvements in both mechanical performance and sustainability in Mg alloy applications. This work holds promise for advancing the use of lightweight materials in modern engineering and transportation applications, contributing to ongoing efforts to enhance energy efficiency.