A MAGNESIUM ALLOY EXHIBITING GOOD YIELD SYMMETRY

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ABSTRACT
In the present study, a ternary Mg-3Gd-0.4Ce alloy was developed using Disintegrated Deposition Method (DMD)
followed by hot extrusion. The developed alloy exhibited superior mechanical properties i.e. strength and ductility. Furthermore,
the tensile yield strength of Mg-3Gd-0.4Ce, under quasi static conditions, was close to its compressive yield strength,
demonstrating good yield symmetry. The mechanisms leading to its yield symmetry and the two primary factors affecting the
ductility of magnesium alloys- grain size and texture- were examined through microstructural studies involving optical
microscope, SEM and XRD texture analysis. Microstructure-mechanical property correlation studies were performed to
understand these mechanisms.