Corrosion Protection of Magnesium Alloys through Surface Modification Techniques

Thesis Abstract

**Abstract
** Corrosion is one of the primary challenges faced by magnesium alloys in various applications, limiting their widespread use. This thesis focuses on exploring surface modification techniques to enhance the corrosion protection of magnesium alloys. The study investigates the effectiveness of different surface treatments in improving the corrosion resistance of magnesium alloys, aiming to prolong their service life and expand their applications in industries such as automotive, aerospace, and biomedical sectors. The research begins with a comprehensive literature review to establish the current understanding of corrosion mechanisms in magnesium alloys and the existing surface modification techniques utilized for corrosion protection. The literature review highlights the importance of addressing corrosion issues in magnesium alloys to unlock their full potential in diverse engineering applications. The methodology chapter outlines the experimental approach adopted in this study, including sample preparation, surface treatment techniques, corrosion testing methods, and data analysis procedures. Various surface modification techniques such as coatings, anodization, alloying, and surface patterning are explored to identify the most effective method for enhancing the corrosion resistance of magnesium alloys. The findings chapter presents the results of the corrosion tests conducted on the modified magnesium alloy samples. The study evaluates the corrosion resistance of the treated surfaces through techniques such as electrochemical impedance spectroscopy, salt spray testing, and scanning electron microscopy. The results provide insights into the effectiveness of different surface modification techniques in mitigating corrosion in magnesium alloys. The discussion section analyzes the implications of the research findings and discusses the mechanisms behind the improved corrosion resistance observed in the modified magnesium alloys. Factors influencing the performance of surface treatments, such as coating adhesion, surface morphology, and chemical composition, are examined to provide a deeper understanding of the corrosion protection mechanisms. In conclusion, this thesis contributes to the field of materials engineering by offering insights into the development of effective surface modification techniques for enhancing the corrosion protection of magnesium alloys. The research findings have practical implications for industries seeking to utilize magnesium alloys in corrosive environments, offering solutions to extend the lifespan and performance of magnesium-based components. Overall, this study underscores the importance of surface modification as a viable strategy for improving the corrosion resistance of magnesium alloys and opens up avenues for further research in the optimization of surface treatments for enhanced material performance and durability in various applications.