Surface protection of Mg alloys in automotive applications: A review

Wang, Jie; Pang, Xin; Jahed, Hamid

doi:10.3934/matersci.2019.4.567

Cited by 33 publications

(20 citation statements)

References 62 publications

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“…Alloying, surface coating and surface treatments are considered the most effective ways to prevent corrosion of Mg-based materials [51]. Coatings are essential for corrosion protection because they provide a physical barrier that impedes the access of aggressive species to the metallic substrates and/or inhibits the corrosion process [52][53][54][55].…”

Section: State Of the Artmentioning

confidence: 99%

“…In reference. Wang et al [51] report about different strategies to mitigate corrosion issues in Mg alloys, as reported in the literature. Authors investigated the publications about different coating technologies during the last 20 years and found that chemical conversion coatings, anodizing, plating, and organic coatings seem the most widely investigated methods to improve the corrosion resistance of Mg alloys [51].…”

Section: State Of the Artmentioning

confidence: 99%

“…Wang et al [51] report about different strategies to mitigate corrosion issues in Mg alloys, as reported in the literature. Authors investigated the publications about different coating technologies during the last 20 years and found that chemical conversion coatings, anodizing, plating, and organic coatings seem the most widely investigated methods to improve the corrosion resistance of Mg alloys [51]. In 2011, Wu and Zhang [97] reported on a study based on analysing patented coatings for corrosion and protection of Mg alloys, finding that only a small amount of the analysed patents were exploited at the industrial level.…”

Section: State Of the Artmentioning

confidence: 99%

“…Organic (polymer) coatings are a widely used type of the coatings for protection of magnesium alloys, typically as final or top coating [51,102]. The organic coating can provide simultaneously corrosion protection and decorative appearance.…”

Section: Organic/polymer Coatingsmentioning

confidence: 99%

“…Processes used for applying organic coatings involves a wide variety of techniques, such as painting, powder coating, cathodic electrocoating (E-coating), sol-gel coating, polymer plating, plasma polymerization and the application of lacquers, enamels and varnishes [51,73,102,[104][105][106]. The overview of the most widespread organic coatings applying processes is given in Table 4.…”

Section: Organic/polymer Coatingsmentioning

confidence: 99%

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Promising Methods for Corrosion Protection of Magnesium Alloys in the Case of Mg-Al, Mg-Mn-Ce and Mg-Zn-Zr: A Recent Progress Review

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Metals

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High specific strength characteristics make magnesium alloys widely demanded in many industrial applications such as aviation, astronautics, military, automotive, bio-medicine, energy, etc. However, the high chemical reactivity of magnesium alloys significantly limits their applicability in aggressive environments. Therefore, the development of effective technology for corrosion protection is an urgent task to ensure the use of magnesium-containing structures in various fields of application. The present paper is aimed to provide a short review of recent achievements in corrosion protection of magnesium alloys, both surface treatments and coatings, with particular focus on Mg-Al-Mn-Ce, Mg-Al-Zn-Mn and Mg-Zn-Zr alloys, because of their wide application in the transport industry. Recent progress was made during the last decade in the development of protective coatings (metals, ceramics, organic/polymer, both single layers and multilayer systems) fabricated by different deposition techniques such as anodization, physical vapour deposition, laser processes and plasma electrolytic oxidation.

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