Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating.
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 a...
- Autores:
-
Aperador Chaparro, William Arnulfo
Delgado Tobón, A.
Bautista, J.
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2013
- Institución:
- Escuela Colombiana de Ingeniería Julio Garavito
- Repositorio:
- Repositorio Institucional ECI
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.escuelaing.edu.co:001/1926
- Acceso en línea:
- https://repositorio.escuelaing.edu.co/handle/001/1926
- Palabra clave:
- Películas anódicas
Electroquímica
Análisis electroquímico
Electrochemistry
Electrochemical analysis
pulse current
anodic films
atomic force microscopy
electrochemical impedance spectroscopy
Tafel
- Rights
- openAccess
- License
- © 2013 by ESG
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oai:repositorio.escuelaing.edu.co:001/1926 |
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Repositorio Institucional ECI |
repository_id_str |
|
dc.title.eng.fl_str_mv |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. |
title |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. |
spellingShingle |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. Películas anódicas Electroquímica Análisis electroquímico Electrochemistry Electrochemical analysis pulse current anodic films atomic force microscopy electrochemical impedance spectroscopy Tafel |
title_short |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. |
title_full |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. |
title_fullStr |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. |
title_full_unstemmed |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. |
title_sort |
Improved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating. |
dc.creator.fl_str_mv |
Aperador Chaparro, William Arnulfo Delgado Tobón, A. Bautista, J. |
dc.contributor.author.none.fl_str_mv |
Aperador Chaparro, William Arnulfo Delgado Tobón, A. Bautista, J. |
dc.contributor.researchgroup.spa.fl_str_mv |
Manufactura y Servicios |
dc.subject.armarc.esp.fl_str_mv |
Películas anódicas Electroquímica Análisis electroquímico |
topic |
Películas anódicas Electroquímica Análisis electroquímico Electrochemistry Electrochemical analysis pulse current anodic films atomic force microscopy electrochemical impedance spectroscopy Tafel |
dc.subject.armarc.eng.fl_str_mv |
Electrochemistry Electrochemical analysis |
dc.subject.proposal.eng.fl_str_mv |
pulse current anodic films atomic force microscopy electrochemical impedance spectroscopy Tafel |
description |
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. |
publishDate |
2013 |
dc.date.issued.none.fl_str_mv |
2013 |
dc.date.accessioned.none.fl_str_mv |
2021-12-16T15:15:56Z |
dc.date.available.none.fl_str_mv |
2021-12-16T15:15:56Z |
dc.type.spa.fl_str_mv |
Artículo de revista |
dc.type.coar.fl_str_mv |
http://purl.org/coar/resource_type/c_2df8fbb1 |
dc.type.coarversion.fl_str_mv |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
dc.type.version.spa.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.coar.spa.fl_str_mv |
http://purl.org/coar/resource_type/c_6501 |
dc.type.content.spa.fl_str_mv |
Text |
dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.redcol.spa.fl_str_mv |
http://purl.org/redcol/resource_type/ART |
format |
http://purl.org/coar/resource_type/c_6501 |
status_str |
publishedVersion |
dc.identifier.issn.none.fl_str_mv |
14523981 |
dc.identifier.uri.none.fl_str_mv |
https://repositorio.escuelaing.edu.co/handle/001/1926 |
identifier_str_mv |
14523981 |
url |
https://repositorio.escuelaing.edu.co/handle/001/1926 |
dc.language.iso.spa.fl_str_mv |
eng |
language |
eng |
dc.relation.citationendpage.spa.fl_str_mv |
9617 |
dc.relation.citationstartpage.spa.fl_str_mv |
9607 |
dc.relation.citationvolume.spa.fl_str_mv |
8 |
dc.relation.indexed.spa.fl_str_mv |
N/A |
dc.relation.ispartofjournal.eng.fl_str_mv |
International Journal of Electrochemical Science |
dc.relation.references.spa.fl_str_mv |
G. Mable Pinto, J. Nayak, A. Nityananda Shetty, Int. J. Electrochem. Sci., 4 (2009) 1452 W. Aperador, J. Caballero-Gómez, A. Delgado, Int. J. Electrochem. Sci., 8 (2013) 6154 M. Bethencourt, F.J. Botana, M.J. Cano, M. Marcos, J.M. Sánchez Amaya, L. González Rovira, Corrosion Science, 51 (2009) 518 S. Valizadeh, E.B Svedberg, P. Leisner, Journal of Applied Electrochemistry, 27 (2002) 97 H. Ashassi-Sorkhabi, A. Hagrah, N. Parvini-Ahmadi, J. Manzoori, Surface and Coatings Technology, 140 (2001) 278 H. Chi-Chang, W. Chi-Ming, Surface and Coatings Technology, 176 (2003) 75 A. Stankeviciute, K. leinartas, G. bikulcius, D. virbalyte,. Journal of applied electrochemistry,28 (1998) 89 J. Aldykewicz, H.S. Isaac, A.J. Davenport. J. Electrochem. Soc. 142 (1995) 3342 W. Bensalah, K. Elleuch, M. Feki, M. Wery, M.P. Gigandet, H.F. Ayedi.. Mater. Chem. Phys. 108 (2008) 296 J.P. Sullivan, G.C. Wood, Proc. Roy. Soc. Lond. 317 (1970) 511–543. S.W. Dean, W.H. Anthony. Degradation of metals in atmosphere. American society of testing and materials, Philadelphia (1988) H.M. Obispo, L.E. Murr, M. Arrowood, E.A. Trillo, J. Mater. Sci, 35 (2000) 3479 J.V. Kloet, A.W. Hassel, M. Stratmann, Z. Phys. Chem. 219 (2005) 1505 L. Lacroix, L. Ressier, C. Blanc, G. Mankowski. J. Electrochem. Soc. 155 (2008) 131 T.J. Warner, M.P. Schmidt, F. Sommer, D. Bellot. Z. Metallkd. 86 (1995) 494 . P. Campestrini, E.P.M. Van Westing, H.W. Van Rooijen, J.H.W. De Wit. Corros. Sci. 42 (2000) 1853 . J.W. Silva, A.G. Bustamante, E.N. Codaro, R.Z. Nakazato, L.R.O. Hein. Appl. Surf. Sci. 236 (2004) 356 G.O. Llevbare. Corrosion. 56 (2000) 227 W. Aperador, E. Vera, L. M. Ipaz., Revista EIA, 15 (2011) 9. S. jiang, P. Luo, H.H. Zhou, C. P Fu, Y.F.Kuang, Transactions of Nonferrous Metals Society of China, 18(2008)825. H.Shih, S. Tzou, Surface and Coatings Technology, 124 (2000)278. B. Fori, P. Taberna, L. Arurault, J. Bonino, C. Gazeau, P. Bares, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 415(2012)187. Y. Ma, X. Zhou, G.E. Thompson, M. Curioni, X. Zhong, E. Koroleva, P. Skeldon, P. Thomson, M. Fowles, Corrosion Science, 53 (2011) 4141. S. A. Fadl-allah, Q. Mohsen, Applied Surface Science, 256 (2010) 5849. |
dc.rights.eng.fl_str_mv |
© 2013 by ESG |
dc.rights.coar.fl_str_mv |
http://purl.org/coar/access_right/c_abf2 |
dc.rights.accessrights.spa.fl_str_mv |
info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
© 2013 by ESG http://purl.org/coar/access_right/c_abf2 |
eu_rights_str_mv |
openAccess |
dc.format.extent.spa.fl_str_mv |
11 páginas |
dc.format.mimetype.spa.fl_str_mv |
application/pdf |
dc.publisher.spa.fl_str_mv |
ESG |
dc.publisher.place.spa.fl_str_mv |
Bogotá, Colombia. |
dc.source.spa.fl_str_mv |
http://www.electrochemsci.org/papers/vol8/80709607.pdf |
institution |
Escuela Colombiana de Ingeniería Julio Garavito |
bitstream.url.fl_str_mv |
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Aperador Chaparro, William Arnulfofd72a695a50b1659e8dce8335949b6bd600Delgado Tobón, A.6532cdbdceba377ff6d2c04a32fb8ea8600Bautista, J.2a431468603d9b2f76080e3f3b070b7d600Manufactura y Servicios2021-12-16T15:15:56Z2021-12-16T15:15:56Z201314523981https://repositorio.escuelaing.edu.co/handle/001/1926This 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.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.11 páginasapplication/pdfengESGBogotá, Colombia.© 2013 by ESGinfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2http://www.electrochemsci.org/papers/vol8/80709607.pdfImproved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating.Artículo de revistainfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1Textinfo:eu-repo/semantics/articlehttp://purl.org/redcol/resource_type/ARThttp://purl.org/coar/version/c_970fb48d4fbd8a85961796078N/AInternational Journal of Electrochemical ScienceG. Mable Pinto, J. Nayak, A. Nityananda Shetty, Int. J. Electrochem. Sci., 4 (2009) 1452W. Aperador, J. Caballero-Gómez, A. Delgado, Int. J. Electrochem. Sci., 8 (2013) 6154M. Bethencourt, F.J. Botana, M.J. Cano, M. Marcos, J.M. Sánchez Amaya, L. González Rovira, Corrosion Science, 51 (2009) 518S. Valizadeh, E.B Svedberg, P. Leisner, Journal of Applied Electrochemistry, 27 (2002) 97H. Ashassi-Sorkhabi, A. Hagrah, N. Parvini-Ahmadi, J. Manzoori, Surface and Coatings Technology, 140 (2001) 278H. Chi-Chang, W. Chi-Ming, Surface and Coatings Technology, 176 (2003) 75A. Stankeviciute, K. leinartas, G. bikulcius, D. virbalyte,. Journal of applied electrochemistry,28 (1998) 89J. Aldykewicz, H.S. Isaac, A.J. Davenport. J. Electrochem. Soc. 142 (1995) 3342W. Bensalah, K. Elleuch, M. Feki, M. Wery, M.P. Gigandet, H.F. Ayedi.. Mater. Chem. Phys. 108 (2008) 296J.P. Sullivan, G.C. Wood, Proc. Roy. Soc. Lond. 317 (1970) 511–543.S.W. Dean, W.H. Anthony. Degradation of metals in atmosphere. American society of testing and materials, Philadelphia (1988)H.M. Obispo, L.E. Murr, M. Arrowood, E.A. Trillo, J. Mater. Sci, 35 (2000) 3479J.V. Kloet, A.W. Hassel, M. Stratmann, Z. Phys. Chem. 219 (2005) 1505L. Lacroix, L. Ressier, C. Blanc, G. Mankowski. J. Electrochem. Soc. 155 (2008) 131T.J. Warner, M.P. Schmidt, F. Sommer, D. Bellot. Z. Metallkd. 86 (1995) 494. P. Campestrini, E.P.M. Van Westing, H.W. Van Rooijen, J.H.W. De Wit. Corros. Sci. 42 (2000) 1853. J.W. Silva, A.G. Bustamante, E.N. Codaro, R.Z. Nakazato, L.R.O. Hein. Appl. Surf. Sci. 236 (2004) 356G.O. Llevbare. Corrosion. 56 (2000) 227W. Aperador, E. Vera, L. M. Ipaz., Revista EIA, 15 (2011) 9.S. jiang, P. Luo, H.H. Zhou, C. P Fu, Y.F.Kuang, Transactions of Nonferrous Metals Society of China, 18(2008)825.H.Shih, S. Tzou, Surface and Coatings Technology, 124 (2000)278.B. Fori, P. Taberna, L. Arurault, J. Bonino, C. Gazeau, P. Bares, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 415(2012)187.Y. Ma, X. Zhou, G.E. Thompson, M. Curioni, X. Zhong, E. Koroleva, P. Skeldon, P. Thomson, M. Fowles, Corrosion Science, 53 (2011) 4141.S. A. Fadl-allah, Q. Mohsen, Applied Surface Science, 256 (2010) 5849.Películas anódicasElectroquímicaAnálisis electroquímicoElectrochemistryElectrochemical analysispulse currentanodic filmsatomic force microscopyelectrochemical impedance spectroscopyTafelORIGINALImproved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating..pdfImproved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating..pdfArtículo principal.application/pdf545960https://repositorio.escuelaing.edu.co/bitstream/001/1926/1/Improved%20Corrosion%20Protection%20Properties%20in%20Anodic%20Films%20Type%20Porous%20on%202024%20T3%20Aluminium%20Alloys%20Obtained%20by%20Pulse%20Reverse%20Plating..pdf31d89181e8ede16b65107ab9d872c254MD51open accessLICENSElicense.txtlicense.txttext/plain; charset=utf-81881https://repositorio.escuelaing.edu.co/bitstream/001/1926/2/license.txt5a7ca94c2e5326ee169f979d71d0f06eMD52open accessTEXTImproved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating..pdf.txtImproved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating..pdf.txtExtracted texttext/plain21082https://repositorio.escuelaing.edu.co/bitstream/001/1926/3/Improved%20Corrosion%20Protection%20Properties%20in%20Anodic%20Films%20Type%20Porous%20on%202024%20T3%20Aluminium%20Alloys%20Obtained%20by%20Pulse%20Reverse%20Plating..pdf.txte6acfb3898e40ad6223020e1ce8896e5MD53open accessTHUMBNAILImproved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating..pdf.jpgImproved Corrosion Protection Properties in Anodic Films Type Porous on 2024 T3 Aluminium Alloys Obtained by Pulse Reverse Plating..pdf.jpgGenerated Thumbnailimage/jpeg13570https://repositorio.escuelaing.edu.co/bitstream/001/1926/4/Improved%20Corrosion%20Protection%20Properties%20in%20Anodic%20Films%20Type%20Porous%20on%202024%20T3%20Aluminium%20Alloys%20Obtained%20by%20Pulse%20Reverse%20Plating..pdf.jpg48a364b3792ef98306a0db96b06cc1bbMD54open access001/1926oai:repositorio.escuelaing.edu.co:001/19262022-08-18 12:25:42.132open accessRepositorio Escuela Colombiana de Ingeniería Julio Garavitorepositorio.eci@escuelaing.edu.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 |