Corrosion mechanisms in titanium oxide-based films produced by anodic treatment

Detalhes bibliográficos
Autor(a) principal: Alves, Alexandra Manuela Vieira Cruz Pinto
Data de Publicação: 2017
Outros Autores: Wenger, F., Ponthiaux, P., Celis, J. -P., Pinto, A. M. P., Rocha, L. A., Fernandes, J. C. S.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/1822/51361
Resumo: Thanks to its excellent corrosion resistance, good mechanical properties and biocompatibility, titanium has been widely used as dental implant material. A passive oxide film formed on titanium surface is responsible for its high corrosion resistance. This study has evaluated the surface characteristics of oxide layers formed on commercially pure titanium samples by anodic treatment and the effect of anodic treatment on their corrosion behaviour. FEG-SEM and XRD were used to evaluate the micromorphology and crystalline structure of these oxide films. Their corrosion resistance was evaluated using electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization curves. EIS was performed for different times of immersion and a new equivalent electrical circuit (EEC) is proposed to fit the experimental data of the anodic oxide films. It was concluded that the morphology, composition, and structure of the outer porous layer of the anodic layer determine the corrosion protection of the material. (C) 2017 Elsevier Ltd. All rights reserved.
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spelling Corrosion mechanisms in titanium oxide-based films produced by anodic treatmentTitaniumBiomaterialAnodic treatmentCorrosionEISScience & TechnologyThanks to its excellent corrosion resistance, good mechanical properties and biocompatibility, titanium has been widely used as dental implant material. A passive oxide film formed on titanium surface is responsible for its high corrosion resistance. This study has evaluated the surface characteristics of oxide layers formed on commercially pure titanium samples by anodic treatment and the effect of anodic treatment on their corrosion behaviour. FEG-SEM and XRD were used to evaluate the micromorphology and crystalline structure of these oxide films. Their corrosion resistance was evaluated using electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization curves. EIS was performed for different times of immersion and a new equivalent electrical circuit (EEC) is proposed to fit the experimental data of the anodic oxide films. It was concluded that the morphology, composition, and structure of the outer porous layer of the anodic layer determine the corrosion protection of the material. (C) 2017 Elsevier Ltd. All rights reserved.This work is supported by FCT with the reference project UID/EEA/04436/2013, by FEDER funds through the COMPETE 2020 Programa Operacional Competitividade e Internacionalizacao (POCI) with the reference project POCI-01-0145-FEDER-006941. Part of this work was done within the Scientific Community on Surface Modification of Materials funded by FWO-Flanders (grant number WO.039.14N), and within the scope of the EU-funded COST MP1407 "E-MINDS. CQE is financed by FCT under contract UID/QUI/00100/2013.info:eu-repo/semantics/publishedVersionPergamon-Elsevier Science LtdUniversidade do MinhoAlves, Alexandra Manuela Vieira Cruz PintoWenger, F.Ponthiaux, P.Celis, J. -P.Pinto, A. M. P.Rocha, L. A.Fernandes, J. C. S.2017-04-202017-04-20T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/51361eng0013-468610.1016/j.electacta.2017.03.011info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:51:30Zoai:repositorium.sdum.uminho.pt:1822/51361Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:50:24.227281Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
title Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
spellingShingle Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
Alves, Alexandra Manuela Vieira Cruz Pinto
Titanium
Biomaterial
Anodic treatment
Corrosion
EIS
Science & Technology
title_short Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
title_full Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
title_fullStr Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
title_full_unstemmed Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
title_sort Corrosion mechanisms in titanium oxide-based films produced by anodic treatment
author Alves, Alexandra Manuela Vieira Cruz Pinto
author_facet Alves, Alexandra Manuela Vieira Cruz Pinto
Wenger, F.
Ponthiaux, P.
Celis, J. -P.
Pinto, A. M. P.
Rocha, L. A.
Fernandes, J. C. S.
author_role author
author2 Wenger, F.
Ponthiaux, P.
Celis, J. -P.
Pinto, A. M. P.
Rocha, L. A.
Fernandes, J. C. S.
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Alves, Alexandra Manuela Vieira Cruz Pinto
Wenger, F.
Ponthiaux, P.
Celis, J. -P.
Pinto, A. M. P.
Rocha, L. A.
Fernandes, J. C. S.
dc.subject.por.fl_str_mv Titanium
Biomaterial
Anodic treatment
Corrosion
EIS
Science & Technology
topic Titanium
Biomaterial
Anodic treatment
Corrosion
EIS
Science & Technology
description Thanks to its excellent corrosion resistance, good mechanical properties and biocompatibility, titanium has been widely used as dental implant material. A passive oxide film formed on titanium surface is responsible for its high corrosion resistance. This study has evaluated the surface characteristics of oxide layers formed on commercially pure titanium samples by anodic treatment and the effect of anodic treatment on their corrosion behaviour. FEG-SEM and XRD were used to evaluate the micromorphology and crystalline structure of these oxide films. Their corrosion resistance was evaluated using electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization curves. EIS was performed for different times of immersion and a new equivalent electrical circuit (EEC) is proposed to fit the experimental data of the anodic oxide films. It was concluded that the morphology, composition, and structure of the outer porous layer of the anodic layer determine the corrosion protection of the material. (C) 2017 Elsevier Ltd. All rights reserved.
publishDate 2017
dc.date.none.fl_str_mv 2017-04-20
2017-04-20T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/1822/51361
url http://hdl.handle.net/1822/51361
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0013-4686
10.1016/j.electacta.2017.03.011
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pergamon-Elsevier Science Ltd
publisher.none.fl_str_mv Pergamon-Elsevier Science Ltd
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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