An overview of Friction stir processing of magnesium alloys reinforced by ceramic additive: Microstructure and mechanical properties
Subject Areas : Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering
1 - Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.
Keywords: Friction Stir Processing, Magnesium, Microstructure, Mechanical Properties, Ceramic Particles,
Abstract :
The aerospace, automobile, electronics, and biomedical sectors are just a few of the industries that have made substantial use of magnesium (Mg) alloys because of their outstanding specific strength and stiffness, strong vibration absorption, electromagnetic shielding impact, superior machinability, and recyclability. Surface metal matrix composites (SMMCs) are a class of contemporary manufactured substances in which the material's core retains its chemical composition and structure while its surface is altered by the dispersion of secondary phase in the shape of fibers or particles. Friction Stir Processing (FSP) is a cutting-edge method for creating composites that achieves significant grain refinement. Numerous studies have noted improvements in the tribological, microstructure, and mechanical characteristics of magnesium metal matrix composites (MMMCs) made via the FSP process. Currently, the most common types of magnesium alloys consist of RZ5, AZ31, AZ61, AZ91, ZM21, ZK60, and pure magnesium. Carbon nanotubes (CNTs), graphene, carbon fiber, SiC, SiO2, Al2O3, B4C, TiC, and ZrO2 particles are some examples of the reinforcing particles. It is discovered that the FSP treatments change the attributes including tensile strength, hardness, wear and corrosion resistance, and that the type of ceramic particle reinforcement greatly affects the extent of the changes. The principles, technology, microstructure, mechanical characteristics, tribological, and corrosion performance of magnesium and its alloys employing ceramic particle reinforcements are summarized in this paper
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