Characterisation of ferric oxide reinforced magnesium nano-composites processed through microwave sintering/powder metallurgy
by P. Balasundar; P. Narayanasamy; S.I. Srikrishna Ramya; T. Ramkumar; S. Senthil
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 13, No. 6, 2018

Abstract: Magnesium nano composites reinforced with 0.5, 1 and 2 wt.% of nano Fe₂O₃ particles were blended-hot pressed-microwave sintered powder metallurgy technique. The morphological characterisations of Mg and nano Fe₂O₃ were performed using scanning and transmission electron microscopy respectively. The elemental characterisations of powder particles were done using energy dispersive spectroscopy analysis. Physical properties such as density and porosity were calculated as per ASTM standards. The microwave sintered samples were studied in terms of its micro hardness. The fabricated nanocomposites have been characterised structurally by optical microscope. The hardness of the nano composites was significantly increased, to increase the nano Fe₂O₃, and also the results establish that the study signify that the proposed method is an effective energy saving for preparing the nanocomposites with extremely denser and enhanced micro hardness, highly homogeneous and uncontaminated microstructure.

Online publication date: Sat, 09-Feb-2019

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