Results 131 to 140 of about 3,429 (183)
Model Studies of Pore Stability and Evolution in Thermal Barrier Coatings (TBCs)
, 2008 Studies of high-temperature morphological evolution of controlled-geometry surface cavities and of controlled-geometry internalized pores etched into (100) and (111) surfaces of yttria-stabilized zirconia (YSZ) have been conducted. Results show significant crystallography-dependent variations in the morphologies and evolution rates.
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Journal of KONES. Powertrain and Transport, 2015 Marek Łazarczyk, Roman Domański
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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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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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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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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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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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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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Surface and Coatings Technology, 2006
Abstract The mechanical properties, hardness H and modulus E, of thermal barrier coatings (TBCs) have been determined as a function of the thickness of bond coats (0.08, 0.14, and 0.28 mm) prepared using a high-velocity oxygen fuel (HVOF) thermal spray process. The top coatings were fabricated by an air plasma spray (APS) process. Behavior in a given
Hyung-Jun Jang +5 more
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Abstract The mechanical properties, hardness H and modulus E, of thermal barrier coatings (TBCs) have been determined as a function of the thickness of bond coats (0.08, 0.14, and 0.28 mm) prepared using a high-velocity oxygen fuel (HVOF) thermal spray process. The top coatings were fabricated by an air plasma spray (APS) process. Behavior in a given
Hyung-Jun Jang +5 more
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