Surface Defect Detection in Metal Coatings

Dear Colleagues,

The hot areas of gas turbine engines can operate at very high temperatures and, as a result, have higher thermal efficiency owing to the application of thermal barrier coatings (TBCs). Knowledge of their service life and of their failure are crucial for the proper operational use of TBCs. Studying the failure processes of novel TBC materials and deposition methods during corrosion and thermal cycling as well as creating life models that can foretell the ultimate failure during thermal cycling are the main goals of this Special Issue. TBCs deteriorate and eventually fail under the working conditions of a gas turbine. Corrosion, thermal mismatch among the ceramic and metallic layers, and bond coat oxidation during thermal cycling are all common causes of failure seen in gas turbines. This Special Issue aims to present the latest research related to advanced techniques concerning the failure mechanism and defect detection of thermal barrier coating.

Prof. Dr. Zeinab Abdel Hamid
Prof. Dr. Ahmed Ibrahim
Guest Editors

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• thermal barrier coating
• TBC
• failure mechanism
• corrosion
• oxidation