Role Of Zncro4 and Graphene Mixture in Boosting Corrosion Resistance of Mild Steel

Abstract

In the present work, graphene has been added with ZnCrO4 solution in mild steel to mitigate the metal corrosion. Graphene in the concentrations of 1, 2 and 3% were mixed with ZnCrO4 paint. Studies such as FT-IR, SEM, EDAX, AC impedance, cyclic voltammetry, and Tafel analysis were used to examine the physical properties of the materials. The inhibitory efficiency was measured using the weight loss method. The functional groups present in the material was examined using FT-IR spectroscopy. The morphology and shape behaviour of the prepared specimens was evaluated by scanning electron microscopy. The elemental composition of the specimen was determined using EDAX. The corrosion current density and linear polarisation resistance were calculated using Tafel analysis. AC impedance and cyclic voltammetry provide information on the protective layer that is created on the specimen to prevent corrosion. From the studies, it is understood that, graphene significantly enhances the corrosion resistance properties of mild steel.