Journal
METALS
Volume 11, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/met11071133
Keywords
magnesium alloys; corrosion; corrosion protection; coatings
Funding
- European Regional Development Fund [1.1.1.1/19/A/148]
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Magnesium alloys are in high demand in various industries due to their high specific strength characteristics, but their applicability in aggressive environments is limited by their high chemical reactivity. Effective technologies for corrosion protection are urgently needed to ensure the use of magnesium-containing structures in various fields. Recent advancements in protective coatings using different deposition techniques have been made, enhancing the corrosion resistance of magnesium alloys.
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 technologies 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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