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Efecto de la temperatura del electrolito sobre la resistencia a corrosión de recubrimientos de nitruro de cromo, cromo duro y pinturas tipo epoxy

dc.contributor.authorOlaya Florez, Jhon Jairo
dc.contributor.authorTorres Luque, Magda
dc.date.accessioned2020-04-16T17:28:00Z
dc.date.available2020-04-16T17:28:00Z
dc.date.created2013-05-10
dc.descriptionEste trabalho compara a influência da temperatura do eletrólito na resistência à corrosão de revestimentos cerâmicos de nitreto de cromo (CrN) produzidos com o sistema de sputtering com magnetron desbalanceado (UBM) com revestimentos metálicos industriais de cromo duro e tintas orgânicas do tipo epoxy. Todos os revestimentos depositaram-se sobre aços de carbono A#6. A avaliação da resistência à corrosão foi determinada mediante experimentos de espectroscopia de impedância eletroquímica (EIS) em uma solução de 3% de cloreto de sódio. Para isso, variou-se a temperatura do eletrólito de 20 ˚C a 80 ºC, e viceversa, com passagens regulares de 20 ºC, fazendo as medições a cada 24 h. Emgeral, os revestimentos orgânicos a presentarama menor degradação duranteo tempo do experimento; no entanto, ao finalizar o ciclo de temperatura, a resistência à corrosão foi similar nos revestimentos orgânicos e cerâmicos. Na presente pesquisa, discutem-se os mecanismos de corrosão dos revestimentos produzidos.por
dc.description.abstractEn este trabajo se compara la influencia de la temperatura del electrolito en la resistencia a la corrosión de recubrimientos cerámicos de nitruro de cromo (CrN) producidos con el sistema de sputtering con magnetrón desbalanceado (UBM) con recubrimientos metálicos industriales de cromo duro y pinturas orgánicas tipo epoxy. Todos los recubrimientos se depositaron sobre aceros al carbono A36. La evaluación de la resistencia a la corrosión se determinó mediante ensayos de espectroscopia de impedancia electroquímica (EIS) en una solución al 3 % de cloruro de sodio. Para ello se varió la temperatura del electrolito desde 20 ºC hasta 80 ºC, y viceversa, con un paso de 20 ºC ytomando mediciones cada 24 h. En general, los recubrimientos orgánicos presentaron la menor degradación con el tiempo de ensayo; sin embargo, al finalizar el ciclo de temperatura, la resistencia a la corrosión fue similar en los recubrimientos orgánicos y cerámicos. En esta investigación se discuten los mecanismos de corrosión para los recubrimientos producidos.spa
dc.description.abstractenglishThis paper compares the influence of the temperature of the electrolyte in corrosion resistance of ceramic coatings of Chromium Nitride (CrN) produced with the unbalanced magnetrons puttering system (UBM) with industrial metallic coatings of hard chromium and organic epoxy paints. All coatings were deposite dover A36 carbon steel. The evaluation of corrosion resistance was determined through electrochemical impedance spectroscopy (EIS) in a 3% sodium chloride solution. For this purpose the temperature of the electrolyte was varied from 20 ºC to 80 ºC, and viceversa, with an interval of 20 ºC and taking measures every 24 hours. In general, organic coatings presented the least degradation in the time of the experiment; never the less, by the time the temperature cycle was over, the corrosion resistance was similar in the organic coatings and the ceramic ones. This paper discusses the corrosion mechanisms for each of the coatings produced.eng
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dc.identifierhttp://revistas.javeriana.edu.co/index.php/iyu/article/view/1694
dc.identifier.issn2011-2769
dc.identifier.issn0123-2126
dc.identifier.urihttp://hdl.handle.net/10554/37356
dc.language.isospa
dc.publisherPontificia Universidad Javerianaeng
dc.relation.citationissueIngenieria y Universidad; Vol 17 No 1 (2013): January-June; 109-126eng
dc.relation.citationissueIngenieria y Universidad; Vol. 17 Núm. 1 (2013): Enero–Junio; 109-126spa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2spa
dc.rights.licenceAtribución-NoComercial-SinDerivadas 4.0 Internacional*
dc.titleEfecto de la temperatura del electrolito sobre la resistencia a corrosión de recubrimientos de nitruro de cromo, cromo duro y pinturas tipo epoxyspa
dc.titleEfeito da temperatura do eletrólito sobre a resistência à corrosão de revestimentos de nitreto de cromo, cromo duro e tintas do tipo epoxypor
dc.title.englishEffects of Electrolyte Temperature on the Corrosion Resistance of Chromium Nitride, Hard Chromium and Epoxy Paint Coatingseng
dc.type.coarhttp://purl.org/coar/resource_type/c_6501
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dc.type.hasversionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.localArtículo de revistaspa
dc.type.otherArticle

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