Nanoparticle technology is a promising one for its unique properties, which can be utilised for different applications, for instance, as a corrosion inhibitor. This study investigates the corrosion-inhibition behaviour of Al2O3 nanoparticles synthesised by the Co-precipitation method. In this study, 800 ppm Al2O3 NPs are used as an inhibitor in a 1M H2SO4 solution for the Mild Steel (MS) sample at different times and temperatures. Experimental result shows that Corrosion inhibition efficiency is highest with 59.59% at 30
after 2 hours, and lowest with 8.22% at 60
after 12 hours. Corrosion efficiency decreases gradually with time and temperature. Characterisation of Al2O3 NP was done by SEM analysis, and the presence of Al2O3 NPs on the MS sheet surface was determined by FTIR analysis.
Synthesis and Characterization of Al2O3 Nanoparticles Using the Co-precipitation Method as Corrosion Inhibitor
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