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A review on self-healing coatings for corrosion protection of metals
S. Hari Kumar,
Published in Russian Association of Corrosion Engineers
Volume: 9
Issue: 3
Pages: 830 - 841
Corrosion is a natural phenomenon occurring on the surface of metals exposed to different mediums. There have been several methods employed to inhibit such corrosion of metals. Among the existing methods, the use of organic coatings is most popular. However, the main drawback related to the use of organic coatings is their sensitivity towards aggressive mediums, which reduces the coating efficiency. The existing methods are also costly and are not environment friendly. Development of self-healing coatings for corrosion protection of metallic surfaces attracted great interest over the past few years. Self-healing coatings have shown remarkable development and demonstrated great promise in extending the service life, reducing maintenance costs, thereby improving the durability and reliability of conventional protective organic coatings over metallic surfaces. Among the different methods used to improve the self-healing capabilities in the next generation of organic coatings, loading of corrosion inhibiting agents in the coatings has been widely acknowledged to be the most applicable approach to self-healing protection. Self-healing coatings showed good corrosion protection of metals in different applications due to controlled release of the active inhibiting agents from the coatings for preventing crack propagation in protective coatings. This review aims to highlight the most recent advances in self-healing coatings loaded with different corrosion inhibitors. © 2020, Russian Association of Corrosion Engineers. All rights reserved.
About the journal
JournalInternational Journal of Corrosion and Scale Inhibition
PublisherRussian Association of Corrosion Engineers