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Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating.
dc.contributor.author | Aperador Chaparro, William Arnulfo | |
dc.contributor.author | Delgado Tobón, A. | |
dc.contributor.author | Bautista, J. | |
dc.date.accessioned | 2021-12-16T15:15:56Z | |
dc.date.available | 2021-12-16T15:15:56Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 14523981 | |
dc.identifier.uri | https://repositorio.escuelaing.edu.co/handle/001/1926 | |
dc.description.abstract | This article presents the results of improvement in the electrochemical properties of porous type anodic films grown on aluminium alloy AA2024 T3, obtained with the techniques of direct current, pulsed direct current and reverse pulse current, through an electrolyte H2SO4 al 15% v/v. Morphological analysis was used atomic force microscopy and scanning electron microscopy allowing to identify the films obtained with inverse pulse current have a grain size smaller than those obtained by the two other deposition techniques. The evaluation of corrosion resistance in the films, we used electrochemical impedance spectroscopy and anodic polarization curves Tafel. These evaluation techniques established that the reverse pulse current deposition can generate deposits which increase the corrosion resistance of the anodic film. | eng |
dc.description.abstract | Este artículo presenta los resultados de mejora en las propiedades electroquímicas de películas anódicas de tipo poroso crecidas sobre aleación de aluminio AA2024 T3, obtenidas con las técnicas de corriente continua, corriente continua pulsada y corriente inversa, a través de un electrolito H2SO4 al 15% v/v. Se utilizó el análisis morfológico de microscopía de fuerza atómica y microscopía electrónica de barrido, lo que permitió identificar que las películas obtenidas con pulso de corriente inversa tienen un tamaño de grano menor que las obtenidas por las otras dos técnicas de depósito. Para la evaluación de la resistencia a la corrosión en las películas, se utilizó espectroscopía de impedancia electroquímica y curvas de polarización anódica Tafel. Estas técnicas de evaluación establecieron que la deposición de corriente de pulso inverso puede generar depósitos que aumentan la resistencia a la corrosión de la película anódica. | esp |
dc.format.extent | 11 páginas | spa |
dc.format.mimetype | application/pdf | spa |
dc.language.iso | eng | spa |
dc.publisher | ESG | spa |
dc.rights | © 2013 by ESG | eng |
dc.source | http://www.electrochemsci.org/papers/vol8/80709607.pdf | spa |
dc.title | Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. | eng |
dc.type | Artículo de revista | spa |
dc.type.version | info:eu-repo/semantics/publishedVersion | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 | spa |
dc.contributor.researchgroup | Manufactura y Servicios | spa |
dc.publisher.place | Bogotá, Colombia. | spa |
dc.relation.citationendpage | 9617 | spa |
dc.relation.citationstartpage | 9607 | spa |
dc.relation.citationvolume | 8 | spa |
dc.relation.indexed | N/A | spa |
dc.relation.ispartofjournal | International Journal of Electrochemical Science | eng |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.subject.armarc | Películas anódicas | esp |
dc.subject.armarc | Electroquímica | esp |
dc.subject.armarc | Electrochemistry | eng |
dc.subject.armarc | Análisis electroquímico | esp |
dc.subject.armarc | Electrochemical analysis | eng |
dc.subject.proposal | pulse current | eng |
dc.subject.proposal | anodic films | eng |
dc.subject.proposal | atomic force microscopy | eng |
dc.subject.proposal | electrochemical impedance spectroscopy | eng |
dc.subject.proposal | Tafel | eng |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/article | spa |
dc.type.redcol | http://purl.org/redcol/resource_type/ART | spa |
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