Investigation of Properties of Mg and Al Based Nano Hybrid-Metallic Composites Processed Through Liquid Processing Technique

摘要

This research paper provides comprehensive and extraordinary efforts to carry out novel mechanical behaviour, corrosion testing and metallurgical characterization of aluminium alloy (Al-6061) and Magnesium alloy (Mg-AZ91D) reinforced nano-hybrid metallic composites processed using the liquid processing stir casting technique. These stir casted hybrid nano-metallic composites were manufactured using nano size reinforcements that are SiC, Graphite and Alumina of a size of ～ 100 nm. The finding of comparative results of casted composites was done by using potentio-dynamic polarization tests in the form of capacitance performance of dielectric properties. The results were reported out and the best results were achieved for aluminium reinforced graphite based composites with better corrosion behaviour performances and high hardness and tensile value of the fabricated composites. The experimental data for Mg-Graphite/ SiC/Al_2O_3 alloy show good arc-like performance over the frequency range with less impedance. The results also illustrated the good arc-like/weber behaviour over the frequency range examined, and indicate decent corrosion behaviour.