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Research Article Open access CC BY 4.0

Electrochemical Studies on Aluminium Corrosion in Dilute Alkaline Dispersions of Graphene Oxide

Pradip Kr. Ghosh, Susanta Ghosh, I. Basumallick

Current Journal of Applied Science and Technology · pp. 86–99 · Published 11 May 2015

10.9734/BJAST/2015/17571

Abstract

Graphene Oxide (GO) sheet with different degree of exfoliation has been prepared by modified Hummers’ method. These exfoliated GO sheets have been characterized by UV–VIS, FTIR, powder XRD, Raman, Fluorescence, SAED spectroscopy and HR-TEM. Effect of GO exfoliation on Al corrosion in alkaline medium has been studied by weight loss, potentiodynamic polarization and FESEM methods. The potentiodynamic polarization and weight loss studies reveal that Al corrosion is strongly inhibited due to formation of an ultra thin film of exfoliated GO over Al surface and the inhibition effect highly depends on the degree of exfoliation of GO.

Aluminium corrosion graphene-oxide exfoliation polarization studies inhibition

Cited by 1

Graphene Nanoplatelets Coating for Corrosion Protection of Aluminum Substrates

Fatima Z. Bouanis, Prisca Moutoussammy, Ileana Florea · Corrosion · 2019

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