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Title: Erosion of ceramic coating applications under the influence of APS and HVOF methods
Authors: Demirci, M.
Bağcı, Mehmet
Keywords: APS
Erosion resistance
High temperature
Thermal barrier coating
Thermal-Barrier Coatings
Solid Particle Erosion
Issue Date: 2022
Publisher: Springer Heidelberg
Abstract: The erosion wear of the thermal barrier coating (TBC) application created by the ceramic topcoat effect on the substrate material and the high-temperature resistance has been researched in the study. Solid particle erosion effect has an important role in high-temperature applications such as energy conversion plants, gas turbines, and jet engine blades. In these applications where the ambient temperature varies and high-temperature effect is important, the deformation resistance is an important criterion in TBC's produced with atmospheric plasma spray (APS) and high-velocity oxy fuel (HVOF) methods as a result of the angular impact of the particles at certain velocities. In addition, its presence has an important impact in the adhesion effect between the substrate material and the ceramic top coating. In line with all these related criteria, the results of erosion wear in which the significance of the studies is gradually increasing will contribute to the fatigue failure of these coatings. To perform solid particle erosion experiments under high-temperature conditions (300 degrees C air temperature), experimental parameters were determined as three different erosive particle impact angles (30 degrees, 60 degrees and 90 degrees) and fixed particle impact velocity (similar to 50 m/s) with using constant particle size (200 mu m Al2O3). As a result of the experiments, the erosion rates under the effect of temperature were determined depending on the angular and velocity variations of different coating methods. In the interpretation of the results, comments were made on the erosion rate variability using the effects of porosity, hardness, and surface roughness.
ISSN: 2190-5509
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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