Insights on Anti-corrosion Coating of Magnesium Alloy: A Review

Kumar, C. Vinoth; Rajyalakshmi, G.; Kartha, Jessica

doi:10.1007/s40735-022-00732-7

Cited by 7 publications

(1 citation statement)

References 162 publications

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“…Efforts to enhance the corrosion resistance of magnesium alloys involve various techniques such as heat treatment [27][28][29], alloying with elements [9], and surface modification [30][31][32][33]. Surface modifications can improve corrosion resistance and durability effectively, while it can be complex, damage the matrix and potentially impact dimensional tolerances.…”

Section: Introductionmentioning

confidence: 99%

Effect of T4 treatment on the corrosion resistance of Mg-4Al-6Er-0.3Mn alloy

Liang,

Ma,

Qin

et al. 2024

Mater. Res. Express

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The Mg-Al alloys exhibit poor corrosion resistance when they exposed to Cl- attack. To solve this problem, Erbium (Er) and Manganese (Mn) are added to the Mg-4Al alloy and the Mg-4Al-6Er-0.3Mn is T4 treated to enhance the corrosion resistance of the alloy. Then the corrosion behaviors of the as-extruded alloy and the T4 alloy are investigated in this paper. It is found that the effective cathode Mg17Al12 is significantly reduced in the alloy due to the precipitation of Mg17Al12 being suppressed by Al2Er and the dissolution of the Mg17Al12 in the alloy. It is observed that the corrosion products transform from needle-like to tetrahedral-shaped corrosion products during the transformation process, which leads to severe pit corrosion. The results show that the T4 treatment can delay the transformation of the morphologies of the corrosion products, thereby improved the alloy corrosion resistance during the early stages of corrosion.

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Section: Introductionmentioning

confidence: 99%

Effect of T4 treatment on the corrosion resistance of Mg-4Al-6Er-0.3Mn alloy

Liang,

Ma,

Qin

et al. 2024

Mater. Res. Express

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Recent Progress of Corrosion Prevention Method of Magnesium Alloy

He,

Zhang,

Huang

et al. 2024

steel research int.

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Magnesium (Mg) and its alloys have received much attention in the aerospace, transportation, automotive industry, and military equipment fields due to their unique chemical and physical properties, such as their low density and high specific strength, particularly as the lightest structural metal materials, with the opportunity to achieve the design of lighter engineering systems. With the continuous improvement of processing technology, the application scope of magnesium alloy is rapidly expanding, and market demand is increasing. However, because of its significant electronegativity (2.37 V) and loose naturally formed oxide coating, magnesium has low corrosion resistance in comparison to other structural metal elements, severely limiting its large‐scale use. This review summarizes several typical anticorrosion methods for magnesium alloys, including chemical conversion coating treatment, anodic oxide film treatment, micro‐arc oxidation treatment, laser surface treatment, ion implantation, physical vapor deposition, and superhydrophobic coating. In most cases, the corrosion resistance of magnesium and its alloys has improved, but it has a certain degree of environmental damage. It is hoped that this review will contribute to further developing magnesium alloy materials in the field of preservative coating.

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Recent Advancements in Sealants Solutions for Surface Coatings: A Comprehensive Review

Pandiyarajan,

Nunthavarawong

2024

J Bio Tribo Corros

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Insights on Anti-corrosion Coating of Magnesium Alloy: A Review

Cited by 7 publications

References 162 publications

Effect of T4 treatment on the corrosion resistance of Mg-4Al-6Er-0.3Mn alloy

Effect of T4 treatment on the corrosion resistance of Mg-4Al-6Er-0.3Mn alloy

Recent Progress of Corrosion Prevention Method of Magnesium Alloy

Recent Advancements in Sealants Solutions for Surface Coatings: A Comprehensive Review

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