Thermal Barrier Coatings—A State of the Art Review

• Published in: Metals and materials international Vol. 27; no. 7; pp. 1947 - 1968
• Main Authors: Thakare, Jayant Gopal, Pandey, Chandan, Mahapatra, M. M., Mulik, R. S.
• Format: Journal Article
• Language: English
• Published: Seoul The Korean Institute of Metals and Materials 01.07.2021; Springer Nature B.V; 대한금속·재료학회
• Subjects: Characterization and Evaluation of Materials; Chemistry and Materials Science; Coatings; Engineering Thermodynamics; Failure mechanisms; Gas turbine engines; Heat and Mass Transfer; Internal combustion engines; Jet engines; Life prediction; Machines; Magnetic Materials; Magnetism; Manufacturing; Materials Science; Mechanical properties; Metallic Materials; Prediction models; Processes; Protective coatings; Reprocessing; Residual stress; Solid Mechanics; State-of-the-art reviews; Substrates; Thermal barrier coatings; Thermal spraying; Thermal stability; Turbine blades; 재료공학; Life prediction; High temperature behavior; Residual stresses; Spraying techniques; Thermal barrier coating
• ISSN: 1598-9623; 2005-4149
• DOI: 10.1007/s12540-020-00705-w

Thermal barrier coatings (TBCs) have seen considerable advancement since the initial testing and development of thermal spray coating. Thermal barrier coatings are currently been utilized in various engineering areas which include internal combustion engines, gas turbine blades of jet engines, pyrochemical reprocessing units and many more. The development of new materials, deposition techniques is targeted at improving the life of the underlying substrate. Hence, the performance of the coating plays a vital role in improving the life of substrate. The scope for advancement in thermal barrier coatings is very high and continuous efforts are being made to produce improved and durable coatings. Thermal barrier coatings have the potential to address long term and short-term problems in gas turbine, internal combustion and power generation industry. The study of thermal barrier coating material, performance and life estimation is a critical factor that should be understood to introduce any advancement. The present review gives an overview of the thermal spraying techniques and current advancements in materials, mechanical properties, understanding the high temperature performance, residual stress in the coating, understanding the failure mechanisms and life prediction models for coatings. Graphic Abstract