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Materials 2019, 12(2), 210; https://doi.org/10.3390/ma12020210

A Review on the Corrosion Behaviour of Nanocoatings on Metallic Substrates

1
Sustainable Development Division, College of Science and Engineering, Hamad Bin Khalifa University, P.O. Box 34110, Doha, Qatar
2
Department of Chemical Engineering, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
3
Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, P.O. Box 5825, Doha, Qatar
*
Author to whom correspondence should be addressed.
Received: 9 October 2018 / Revised: 22 November 2018 / Accepted: 26 November 2018 / Published: 10 January 2019
(This article belongs to the Section Advanced Nanomaterials)
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Abstract

Growth in nanocoatings technology is moving towards implementing nanocoatings in many sectors of the industry due to their excellent abilities. Nanocoatings offer numerous advantages, including surface hardness, adhesive strength, long-term and/or high-temperature corrosion resistance, the enhancement of tribological properties, etc. In addition, nanocoatings can be applied in thinner and smoother thickness, which allows flexibility in equipment design, improved efficiency, lower fuel economy, lower carbon footprints, and lower maintenance and operating costs. Nanocoatings are utilised efficiently to reduce the effect of a corrosive environment. A nanocoating is a coating that either has constituents in the nanoscale, or is composed of layers that are less than 100 nm. The fine sizes of nanomaterials and the high density of their ground boundaries enable good adhesion and an excellent physical coverage of the coated surface. Yet, such fine properties might form active sites for corrosion attack. This paper reviews the corrosion behaviour of metallic, ceramic, and nanocomposite coatings on the surface of metallic substrates. It summarises the factors affecting the corrosion of these substrates, as well as the conditions where such coatings provided required protection. View Full-Text
Keywords: corrosion; nanocoating; metallic nanocoating; ceramic nanocoating; nanocomposite coating; corrosion factors corrosion; nanocoating; metallic nanocoating; ceramic nanocoating; nanocomposite coating; corrosion factors
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Abdeen, D.H.; El Hachach, M.; Koc, M.; Atieh, M.A. A Review on the Corrosion Behaviour of Nanocoatings on Metallic Substrates. Materials 2019, 12, 210.

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