Anti-corrosive coatings of magnesium : A review

Nor Azmi, Johari and Juliawati, Alias and Aliaa, Zanurin and Nurul Shuhada, Mohamed and Nasrul Azuan, Alang and Mohd Zamzuri, Mohd Ghani (2021) Anti-corrosive coatings of magnesium : A review. In: Materials Today: Proceedings; 2nd Innovative Manufacturing, Mechatronics and Materials Forum, iM3F 2021, 20 September 2021 , Pekan. pp. 1842-1848., 48 (6). ISSN 2214-7853

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Magnesium's lightweight property made it an intriguing element as a component in automobiles and aerospace, as well as its biodegradability to be used in orthopaedic. However, magnesium is prone to corrosion that limits its application. To fully utilize magnesium, corrosion protection methods should be established. Various techniques have been used to protect magnesium and its alloys from corrosion, including coating. Coating provides a barrier to prevent corrosive electrolytes from reacting with magnesium substrates and initiate Mg dissolution. This study reviewed several surface coating methods used for Mg alloys, such as chemical conversion coating, anodizing, plasma electrolytic oxidation (PEO), organic coating, cold spraying, and layered double hydroxide (LDHs). The composite coatings, for example, combined PEO-hybrid sol-gel coating, provide dense barrier, thus better corrosion protection performance than conventional single PEO layer. The newer advanced self-healing coatings which incorporate inhibitors into the layer, either directly added or within carriers, are considered in this study.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Anodizing; Anti-corrosion coating; Layered double hydroxide; Magnesium corrosion; Self-healing coating
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Faculty/Division: Faculty of Mechanical Engineering
Institute of Postgraduate Studies
College of Engineering
Faculty of Mechanical and Automotive Engineering Technology
Depositing User: Mr Muhamad Firdaus Janih@Jaini
Date Deposited: 25 Nov 2022 02:34
Last Modified: 25 Nov 2022 02:34
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