Corrosion study of Alumina/Yttria-Stabilized Zirconia (Al2O3/YSZ) nanostructured Thermal Barrier Coatings (TBC) exposed to high temperature treatment

dc.contributorGrupo de Investigación Ecitrónica
dc.creatorAmaya, C. A.
dc.creatorAperador Chaparro, William Arnulfo
dc.creatorZambrano, Gustavo
dc.creatorEspinoza Beltrán, F. J
dc.creatorCaicedo, Julio Cesar
dc.creatorMuñoz Saldaña, Juan
dc.creatorPrieto Pulido, Pedro
dc.date.accessioned2023-05-15T16:42:30Z
dc.date.accessioned2023-09-06T21:16:57Z
dc.date.available2023-05-15T16:42:30Z
dc.date.available2023-09-06T21:16:57Z
dc.date.created2023-05-15T16:42:30Z
dc.date.issued2009
dc.identifier0010-938X
dc.identifierhttps://repositorio.escuelaing.edu.co/handle/001/2329
dc.identifierhttps://doi.org/10.1016/j.corsci.2009.08.028
dc.identifier1879-0496
dc.identifierhttps://www.sciencedirect.com/science/article/abs/pii/S0010938X09003898
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8707239
dc.description.abstractThermal Barrier Coatings (TBC) of 8% Yttria-Stabilized Zirconia (8YSZ) were deposited on AISI-304 substrates via r.f magnetron sputtering. A buffer layer of alumina, Al2O3, was deposited to improve the adhesion of the YSZ monolayer to the substrate. The influence of the Al2O3/8YSZ coating on the electrochemical conductance evolution, CT t , was examined by Electrochemical Impedance Spectroscopy measurements when the steels are exposed to temperatures of 700 and 500 C for 2, 4, and 6 h. Results indicated that CT t diminished three orders of magnitude, in samples coated with Al2O3/8YSZ with respect to uncoated steel.
dc.description.abstractSe depositaron recubrimientos de barrera térmica (TBC) de circonio estabilizado con itria al 8% (8YSZ) sobre sustratos AISI-304 mediante pulverización catódica por magnetrón r.f.. Se depositó una capa tampón de alúmina, Al2O3, para mejorar la adhesión de la monocapa de YSZ al sustrato. La influencia del recubrimiento de Al2O3/8YSZ en la evolución de la conductancia electroquímica, CTt , se examinó mediante mediciones de Espectroscopía de Impedancia Electroquímica cuando los aceros se exponen a temperaturas de 700 y 500 C durante 2, 4 y 6 h. Los resultados indicaron que CTt disminuyó tres órdenes de magnitud, en las muestras recubiertas con Al2O3/8YSZ con respecto al acero sin recubrir.
dc.languageeng
dc.publisherElSevier
dc.publisherInglaterra
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dc.relationN/A
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dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.sourcehttps://www.sciencedirect.com/science/article/abs/pii/S0010938X09003898
dc.titleCorrosion study of Alumina/Yttria-Stabilized Zirconia (Al2O3/YSZ) nanostructured Thermal Barrier Coatings (TBC) exposed to high temperature treatment
dc.typeArtículo de revista


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