Punith Kumar, MK and Rekha, MY and Srivastava, C (2021) Electrogalvanization using new generation coatings with carbonaceous additives: Progress and challenges. In: Corrosion Reviews, 39 (01). pp. 15-26.
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Zinc is an important coating material for corrosion protection of carbon steel because of its sacrificial behavior. Continuous efforts have therefore been made over the years to perform required microstructural engineering to further enhance the corrosion resistance behavior of Zn based coatings. This review is focused on a new class of recently developed coatings in which carbonaceous materials like graphene, graphene oxide and carbon nanotubes (CNTs) are incorporated into Zn metal matrix to significantly affects its electrochemical response. Impermeability of the graphene and graphene oxide and hydrophobicity of the CNTs are the principal reasons behind the adoption of these carbonaceous additives. Over the years, the researchers have, however, observed that the in addition to the above, noticeable microstructural and morphological alterations introduced in the coating matrix due to these carbonaceous additives also contribute significantly to the corrosion resistance behavior. An understanding of the microstructural evolution of the coatings as a function of the additive volume fraction is therefore required to design robust composite coatings with enhanced corrosion resistance performance. © 2020 Walter de Gruyter GmbH, Berlin/Boston 2020.
| Item Type: | Journal Article |
|---|---|
| Publication: | Corrosion Reviews |
| Publisher: | De Gruyter Open Ltd |
| Additional Information: | The copyrights to this article belong to De Gruyter Open Ltd. |
| Keywords: | Additives; Carbon nanotubes; Composite coatings; Corrosion resistance; Graphene; Steel corrosion; Zinc coatings, Carbonaceous materials; Coating material; Electrochemical response; Electrogalvanization; Metal matrices; Micro-structural; Microstructural engineering; Morphological alteration, Corrosion resistant coatings |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 22 Dec 2021 10:36 |
| Last Modified: | 22 Dec 2021 10:36 |
| URI: | http://eprints.iisc.ac.in/id/eprint/67701 |
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