Friction Stir Processing of Magnesium Metal Matrix Composites: A Review

The world is more cautious about the environment and becomes aligned to eco-friendly, low-emission vehicles that are lightweight and efficient in this modern day. The lightest structural metal available on the earth is magnesium and hence is an excellent alternate material for various engineering applications where the weight of the material is a significant design parameter. Friction Stir Processing (FSP) is a solid-state severe plastic deformation (SPD) process that works on the friction stir welding (FSW) principle. Magnesium metal matrix composites (MMMCs) have gained interest in the automotive, aerospace, biomedical, and power industries. Friction Stir Processing (FSP) has recently gained favor as a method for generating composites in solid state. The review provides a thorough insight into the working operation of FSP, factors affecting tool parameters, different reinforcement particles, and their influence on a range of properties like hardness, tensile strength, corrosion, and tribological properties of Mg alloys. The current paper investigates the progress made in the field of magnesium composites manufactured through FSP since the origination of the process. This review also gives a recommendation for future research in the field of MMMCs. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.