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    Review of Recent Developments in the Formulation of Graphene-Based Coatings for the Corrosion Protection of Metals and Alloys


    Healy, Bronach and Yu, Tian and Alves, Daniele da Silva and Breslin, Carmel B. (2020) Review of Recent Developments in the Formulation of Graphene-Based Coatings for the Corrosion Protection of Metals and Alloys. Corrosion and Materials Degradation, 1 (3). pp. 296-327. ISSN 2624-5558

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    Abstract

    Corrosion is a naturally occurring phenomenon and there is continuous interest in the development of new and more protective coatings or films that can be employed to prevent or minimise corrosion. In this review the corrosion protection afforded by two-dimensional graphene is described and discussed. Following a short introduction to corrosion, the application of graphene in the formulation of coatings and films is introduced. Initially, reduced graphene oxide (rGO) and metallic like graphene layers are reviewed, highlighting the issues with galvanic corrosion. Then the more successful graphene oxide (GO), functionalised GO and polymer grafted GO-modified coatings are introduced, where the functionalisation and grafting are tailored to optimise dispersion of graphene fillers. This is followed by rGO coupled with zinc rich coatings or conducting polymers, GO combined with sol-gels, layered double hydroxides or metal organic frameworks as protective coatings, where again the dispersion of the graphene sheets becomes important in the design of protective coatings. The role of graphene in the photocathodic protection of metals and alloys is briefly introduced, while graphene-like emerging materials, such as hexagonal boron nitride, h-BN, and graphitic carbon nitride, g-C3N4, are then highlighted.

    Item Type: Article
    Additional Information: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Cite as: Healy, B.; Yu, T.; da Silva Alves, D.; Breslin, C.B. Review of Recent Developments in the Formulation of Graphene-Based Coatings for the Corrosion Protection of Metals and Alloys. Corros. Mater. Degrad. 2020, 1, 296-327. Funding: This research was funded by the Irish Research Council, award number GOIPG/2020/657 and Maynooth University.
    Keywords: corrosion protection; graphene; epoxy coatings; zinc-rich coatings; corrosion; coatings; conducting polymers;
    Academic Unit: Faculty of Science and Engineering > Chemistry
    Item ID: 13745
    Identification Number: https://doi.org/10.3390/cmd1030015
    Depositing User: Dr. Carmel Breslin
    Date Deposited: 07 Dec 2020 17:04
    Journal or Publication Title: Corrosion and Materials Degradation
    Publisher: MDPI
    Refereed: Yes
    Funders: Irish Research Council (IRC)
    URI:

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