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

Thesis Abstract

Abstract
The demand for high-performance gas turbine components operating at elevated temperatures has led to an increasing need for advanced coatings that can withstand harsh environmental conditions, particularly in terms of corrosion resistance. This thesis focuses on the development of high-temperature corrosion-resistant coatings for advanced gas turbine components. The research aims to address the limitations of current coatings and provide novel solutions to enhance the durability and performance of these critical components. The introduction provides an overview of the importance of high-temperature coatings in gas turbine applications and the challenges associated with corrosion at elevated temperatures. The background of the study delves into the existing literature on materials and coatings used in gas turbines, highlighting the need for improved corrosion resistance to extend component lifespans. The problem statement identifies the gaps in current coating technologies and emphasizes the significance of developing advanced coatings for gas turbine applications. The objectives of the study are outlined to guide the research process, focusing on the development and characterization of novel high-temperature corrosion-resistant coatings. The limitations of the study are acknowledged, including constraints in terms of resources, time, and experimental conditions. The scope of the study defines the specific components and operating conditions targeted for coating development, while also outlining the experimental methodologies to be employed. The significance of the study lies in the potential impact of the developed coatings on the performance and longevity of gas turbine components, leading to improved efficiency and reduced maintenance costs. The structure of the thesis is presented to provide a roadmap for the subsequent chapters, including the literature review, research methodology, discussion of findings, and conclusion. The literature review chapter critically evaluates existing research on high-temperature coatings, corrosion mechanisms, and materials selection for gas turbine applications. It identifies key challenges and opportunities for developing advanced coatings with enhanced corrosion resistance. The research methodology chapter details the experimental procedures, coating deposition techniques, material characterization methods, and testing protocols employed in the study. The discussion of findings chapter presents the results of coating development, including material properties, corrosion resistance performance, microstructural analysis, and durability testing. The implications of the findings are discussed in the context of improving the reliability and performance of gas turbine components in high-temperature environments. Finally, the conclusion chapter summarizes the key findings, discusses the contributions of the study to the field of materials and metallurgical engineering, and suggests future research directions. In conclusion, this thesis on the development of high-temperature corrosion-resistant coatings for advanced gas turbine components aims to address critical challenges in the gas turbine industry and pave the way for enhanced coating technologies that can prolong component lifespans and improve overall performance. The research findings contribute to the advancement of materials science and engineering, with potential applications in various industrial sectors requiring high-temperature corrosion protection.