Abstract
The present work narrates about the production and characterization of HEA (CuNiFeCrMo)- Graphene oxide (GO) nano composite coating deposited by electroless deposition method, in order to improve the mechanical and surface properties of mild steel substrate. Their microstructure, surface morphology, phase and structure analysis, roughness analysis and micro hardness is observed using scanning electron microscopy - Energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), Atomic force microscopy (AFM) and micro hardness testing respectively. The incorporation of Graphene oxide nanoparticles into CuFeNiCrMo matrix exceedingly improves their mechanical and surface properties. Uniform dispersion of graphene oxide into HEA matrix is confirmed by SEM images. No chloride formation is seen. Micro hardness test reveals that HEA-GO nanocomposite coating improves the hardness of mild steel. This type of nanocomposite coating is suitable for oil and gas pipe lines, automobiles, rocket nozzles, industrial and structural applications etc.
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