Development of High-Temperature Corrosion-Resistant Coatings for Advanced Gas Turbine Components

Thesis Abstract

Abstract
The aerospace industry continues to seek improvements in gas turbine technologies to enhance performance, efficiency, and durability. High-temperature corrosion is a significant challenge faced by gas turbine components operating under extreme conditions. This thesis focuses on the development of advanced corrosion-resistant coatings to protect gas turbine components from high-temperature corrosion, thereby extending their service life and improving overall performance. The study investigates the synthesis, characterization, and performance evaluation of novel coatings designed to withstand harsh operating conditions. The thesis begins with an introduction that provides background information on the importance of corrosion-resistant coatings in gas turbine applications. The problem statement highlights the critical need for improved coatings to address the challenges posed by high-temperature corrosion in advanced gas turbine components. The objectives of the study are outlined to guide the research process, while the limitations and scope of the study are also discussed to provide a clear understanding of the research boundaries. The significance of the study is emphasized, underscoring the potential impact of developing high-temperature corrosion-resistant coatings on the aerospace industry. Chapter two presents a comprehensive literature review that explores existing research on corrosion-resistant coatings for gas turbine applications. The review covers various coating materials, deposition techniques, characterization methods, and performance evaluation criteria. By synthesizing and analyzing the findings from previous studies, this chapter sets the foundation for the experimental work conducted in this thesis. Chapter three details the research methodology employed to develop and evaluate high-temperature corrosion-resistant coatings. The methodology encompasses coating synthesis, characterization techniques such as SEM, XRD, and TGA, as well as performance testing under simulated operating conditions. The chapter also discusses the selection criteria for coating materials, deposition methods, and testing protocols to ensure accurate and reliable results. Chapter four presents a detailed discussion of the findings obtained from the experimental work. The performance of the developed coatings in terms of corrosion resistance, adhesion strength, thermal stability, and mechanical properties is thoroughly analyzed. The results are compared with existing coatings and industry standards to evaluate the effectiveness of the novel coatings in protecting gas turbine components from high-temperature corrosion. Finally, chapter five provides a comprehensive summary of the research findings and conclusions drawn from the study. The implications of the research outcomes for the aerospace industry are discussed, highlighting the potential benefits of implementing advanced corrosion-resistant coatings in gas turbine applications. Recommendations for future research and development in this field are also provided to guide further advancements in high-temperature coating technologies. In conclusion, the "Development of High-Temperature Corrosion-Resistant Coatings for Advanced Gas Turbine Components" thesis addresses a critical need for innovative solutions to combat high-temperature corrosion in gas turbine components. The research contributes valuable insights into the design, synthesis, and evaluation of advanced coatings that can enhance the durability and performance of gas turbine systems operating in extreme environments.