Results 181 to 190 of about 2,104 (220)
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High Entropy Alloy (HEA) Bond Coats for Thermal Barrier Coatings (TBCs)—A Review
International Thermal Spray Conference, 2023Abstract Due to the aggressive operation conditions of turbine hot sections, protective coatings are required to provide oxidation and hot corrosion resistance for superalloy components. Thermal barrier coatings (TBCs) are comprised of a ceramic top coat and a metallic bond coat (BC) and are typically used as thermal protection systems ...
Shahbazi, H. +5 more
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Microwave Inspection of Thermal Barrier Coating (TBC) Systems
ASNT 30th Research Symposium Conference Proceedings, 2022Nondestructive testing (NDT) of thermal barrier coating (TBC) systems is a critical issue in their manufacturing environments. In particular, inspection techniques by which thickness of TBC topcoat can be accurately determined are currently being sought.
Anna Case +2 more
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Modifications of thermal barrier coatings (TBCs)
Surface and Coatings Technology, 1997Abstract To develop highly efficient gas turbines, thermal barrier coating systems with a high reliability and a long lifetime under severe operating conditions are required. The failure of TBC-systems is caused by thermal cycling conditions, oxidation attack, and insufficient adhesion at the interfaced the ceramic coating and the bond coat.
Kh.G. Schmitt-Thomas, H. Haindl, D. Fu
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EFFECTS OF THERMALCYCLING AND POROSITY ON NOVEL THERMAL BARRIER COATINGS (TBCS).
2010 GSW Proceedings, 2022Comment: 9 ...
Ogad A. Agu +2 more
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CMAS‐Resistant Thermal Barrier Coatings (TBC)
International Journal of Applied Ceramic Technology, 2009Electron beam‐physical vapor‐deposited thermal barrier coatings (TBC) are susceptible to damage due to environmental contaminants such as calcium–magnesium–aluminum–silicon oxide systems (CMAS). This paper discusses various approaches of modifying TBC for enhanced protection against CMAS attack.
Amarendra K. Rai +3 more
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Experimental Investigation of Residual Thermal Stress in Thermal Barrier Coating (TBC)
Key Engineering Materials, 2011Residual thermal stress, which has a strong effect on the coating performance, is generated during the fabrication of TBC. In this paper, the residual thermal stress in TBC (92%ZrO2-8%Y2O3) with two different thicknesses (0.38 mm and 0.90 mm) is analyzed with a bi-material model. TBC specimens were sprayed by an Air Plasma Spray (APS).
Yan Song, Qin Zhi Fang, Tie Jun Wang
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State of the Art Thermal Barrier Coating (TBC) Materials and TBC Failure Mechanisms
2016Thermal barrier coatings (TBCs) are widely used in the aviation industry to improve the service life of components being exposed to high temperatures. Providing a higher resistance compared to conventional coatings, TBCs also improve the performance and lifetime of materials through their thermal insulating characteristic.
Karaoğlanlı, Abdullah Cahit +4 more
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Durability Evaluation of Thermal Barrier Coating (TBC) at High Temperature
Applied Mechanics and Materials, 2013Thermal barrier coating (TBC) which protects the gas turbine from high temperature is damaged by repeated thermal fatigue [1,2]. Generally, damage of top coating of thermal barrier coating is resulted in damage to the entire gas turbine. Thus, the durability of the thermal barrier coating should be evaluated to protect the gas turbine from damage.
Hyun Woo Song +3 more
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Optimization of Segmented Thermal Barrier Coatings (s-TBC) for High-Temperature Applications
International Thermal Spray Conference, 2022Abstract Hot section components of stationary gas turbines such as turbine blades are coated with thermal barrier coatings (TBCs) to increase the high thermal strain tolerance thereby the improvement of the performance for the gas turbines.
B. A. Yalcinyüz +5 more
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A New Design Methodology of Thermal Barrier Coating (TBC) for Internal Combustion Engines
ASME 2020 Heat Transfer Summer Conference, 2020Abstract Currently available Internal combustion (IC) engines contribute 25% of the total world energy consumption. IC engines convert only 40% of the fuel energy into the indicated power[1]. Roughly, 30 percent of heat energy is lost from the combustion chamber to the environment.
Chandra Pratap Singh +2 more
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