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Abstract
Objectives: To analyze the mechanical properties and microstructural attributes of functionally graded metal matrix composites (FGM- matrix) made from magnesium alloy as the base material (Mg). Magnesium, Titanium, Zinc compositions are widely used in the creation of bio-materials for implants because of their beneficial corrosion properties. Methods: Functionally graded materials (FGM) have been effectively utilized in the development and production of engineering components that possess location-specific properties. In this research, the processing and characterization of Magnesium metal as the base material, Zinc and Titanium as alloying elements, and Tricalcium phosphate (TCP) as a reinforcement with composites of Mg - 3 Zn -1Ti are discussed. The composite melt preparation was carried out using the stir casting method, by the formation of FGM-metal composites through the vertical centrifugal casting method. FGM-metal composites exhibit a centrifugal graded distribution of reinforcements, resulting in distinct zones including a rich-matrix inner zone, transition zone, and rich-particles outer zone. Findings: The mechanical properties are significantly improved in the rich-particles outer zone, showcasing enhanced hardness, and ultimate tensile strength (UTS) of 351 MPa by following corresponding to the particle concentration, with a peak value of 106 Hv achieved in the particle-rich region. This highlights the importance of microstructural design in achieving superior mechanical characteristics in FGM-metal composites. Novelty: The study highlighted a lack of research on these alloys compared to biomaterials like mesh or lattice structured Stainless steel, which have shorter lifespans in the human body due to rapid degradation and inherent defects such as porosity. Keywords: Functionally graded material metal matrix composites (FGM- matrix composites), Centrifugal casting, Tensile Characteristics, Micro hardness, Microstructural behavior, Bio-implants
Published Version
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