Failure Mechanisms and Defect Detection Techniques of Thermal Barrier Coatings
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Structural Integrity of Metals".
Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 1977
Special Issue Editor
Interests: structural integrity assessment; fatigue and fracture of metallic materials; metal additive manufacturing; optical experimental mechanics
Special Issue Information
Dear Colleagues,
Thermal barrier coatings (TBCs) have been widely used in a variety of gas-turbine and aero-engine applications. TBC systems provide the necessary thermal protection in gas turbines and aero engines, and thus have been certified as being a significant technology for reducing the surface temperature of substrate components. Since there are critical demands to improve the overall system efficiency, investigations into TBC systems are being extensively conducted so as to prolong their lifetime and to increase their service temperature. In this regard, the degradation and failure of TBCs is an extrinsic and intrinsic topic. However, TBC systems inherently contain a certain amount of macro- and micro-defects which cannot be eliminated completely. These defects are apparently of critical importance regarding the failure of these TBC systems. Thus, it is important to understand the failure mechanisms and grasp the defect defection testing and evaluation techniques for TBCs, so as to improve the performance of TBCs under real service conditions.
This Special Issue will publish the results of pioneering research on the developments in the underlying theory and novel applications of failure mechanisms and defect detection techniques of thermal barrier coatings. Articles may include in-depth research on failure mechanisms, failure analysis of TBC materials, structures or systems based on material characterization methods, and numerical simulations. Studies of conventional defect detection techniques, including radiography, ultrasound, eddy currents, magnetic properties and magnetic particle inspection, thermal imaging, and dye penetrant, as well as those covering new topics, high-quality findings from related research areas including structural health and condition monitoring abd sensor technology, and new techniques for simulation and modelling, are welcome.
Dr. Jian Li
Guest Editor
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Keywords
- thermal barrier coating
- failure mechanisms
- defect detection techniques
- material characterization
- numerical simulations
- structural health and condition monitoring
- sensor technology
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