{"title":"Study on the structure and corrosion resistance of MoS2/MgO micro-arc oxidation composite ceramic coating on the surface of ZK60 magnesium alloy","authors":"Xiaowen Chen, Wanlin Xie, Song Tang, Meng Zhang, Hao Song, Qingzheng Ran, Defen Zhang","doi":"10.1108/acmm-11-2023-2923","DOIUrl":null,"url":null,"abstract":"<h3>Purpose</h3>\n<p>The purpose of this study is to examine the impact of MoS<sub>2</sub> on the microstructure and characteristics of micro-arc oxidized (MAO) ceramic coatings created on ZK60 magnesium alloy through the addition of varying concentrations of MoS<sub>2</sub> particles to the electrolyte, aiming to enhance the corrosion resistance of magnesium alloy.</p><!--/ Abstract__block -->\n<h3>Design/methodology/approach</h3>\n<p>The surface morphology, roughness and phase composition of the coatings were analyzed using scanning electron microscopy, a hand-held roughness tester and an X-ray diffractometer, respectively, and the corrosion resistance of the MAO coatings prepared by the addition of different contents of MoS<sub>2</sub> particles was tested and analyzed using an electrochemical workstation.</p><!--/ Abstract__block -->\n<h3>Findings</h3>\n<p>The results demonstrate that MoS<sub>2</sub>/MgO composite coatings have been successfully prepared on the surface of magnesium alloys through micro-arc oxidation. Furthermore, the corrosion resistance of the ZK60 magnesium alloy prepared with the addition of 1.0 g/L MoS<sub>2</sub> was the best compared to the other samples.</p><!--/ Abstract__block -->\n<h3>Originality/value</h3>\n<p>MoS<sub>2</sub> particles were able to penetrate the coatings successfully during the micro-arc oxidation process, acting as a barrier in the micropores to prevent the corrosion medium from touching the surface, thus improving the corrosion resistance of the sample. The electrochemical workstation was used to study the corrosion resistance of the MoS<sub>2</sub>/MAO coating on the ZK60 magnesium alloy.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"144 1","pages":""},"PeriodicalIF":2.3000,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Anti-corrosion Methods and Materials","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1108/acmm-11-2023-2923","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"METALLURGY & METALLURGICAL ENGINEERING","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose
The purpose of this study is to examine the impact of MoS2 on the microstructure and characteristics of micro-arc oxidized (MAO) ceramic coatings created on ZK60 magnesium alloy through the addition of varying concentrations of MoS2 particles to the electrolyte, aiming to enhance the corrosion resistance of magnesium alloy.
Design/methodology/approach
The surface morphology, roughness and phase composition of the coatings were analyzed using scanning electron microscopy, a hand-held roughness tester and an X-ray diffractometer, respectively, and the corrosion resistance of the MAO coatings prepared by the addition of different contents of MoS2 particles was tested and analyzed using an electrochemical workstation.
Findings
The results demonstrate that MoS2/MgO composite coatings have been successfully prepared on the surface of magnesium alloys through micro-arc oxidation. Furthermore, the corrosion resistance of the ZK60 magnesium alloy prepared with the addition of 1.0 g/L MoS2 was the best compared to the other samples.
Originality/value
MoS2 particles were able to penetrate the coatings successfully during the micro-arc oxidation process, acting as a barrier in the micropores to prevent the corrosion medium from touching the surface, thus improving the corrosion resistance of the sample. The electrochemical workstation was used to study the corrosion resistance of the MoS2/MAO coating on the ZK60 magnesium alloy.
期刊介绍：
Anti-Corrosion Methods and Materials publishes a broad coverage of the materials and techniques employed in corrosion prevention. Coverage is essentially of a practical nature and designed to be of material benefit to those working in the field. Proven applications are covered together with company news and new product information. Anti-Corrosion Methods and Materials now also includes research articles that reflect the most interesting and strategically important research and development activities from around the world.
Every year, industry pays a massive and rising cost for its corrosion problems. Research and development into new materials, processes and initiatives to combat this loss is increasing, and new findings are constantly coming to light which can help to beat corrosion problems throughout industry. This journal uniquely focuses on these exciting developments to make essential reading for anyone aiming to regain profits lost through corrosion difficulties.
• New methods, materials and software
• New developments in research and industry
• Stainless steels
• Protection of structural steelwork
• Industry update, conference news, dates and events
• Environmental issues
• Health & safety, including EC regulations
• Corrosion monitoring and plant health assessment
• The latest equipment and processes
• Corrosion cost and corrosion risk management.
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