Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel

Detalhes bibliográficos
Autor(a) principal: Lehr,I.L.
Data de Publicação: 2014
Outros Autores: Saidman,S.B.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Texto Completo: http://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004
Resumo: In this study polypyrrole (PPy) bilayers films were electrodeposited onto SAE 4140 steel. The inner layer was electropolymerized in the presence of molibdate and nitrate and the outer layer in a solution containing sodium bis (2-ethylhexyl) sulfosuccinate (AOT). The electrosynthesis was done under potentiostatic conditions. The corrosion protection properties of the films were examined in sodium chloride solution by open circuit measurements, linear polarization and electrochemical impedance spectroscopy (EIS). The bilayer coatings present an improved anticorrosive performance with respect to single PPy films.
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spelling Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 SteelPolypyrroleBilayersMolybdateAOTAnticorrosive propertiesSAE 4140 steelIn this study polypyrrole (PPy) bilayers films were electrodeposited onto SAE 4140 steel. The inner layer was electropolymerized in the presence of molibdate and nitrate and the outer layer in a solution containing sodium bis (2-ethylhexyl) sulfosuccinate (AOT). The electrosynthesis was done under potentiostatic conditions. The corrosion protection properties of the films were examined in sodium chloride solution by open circuit measurements, linear polarization and electrochemical impedance spectroscopy (EIS). The bilayer coatings present an improved anticorrosive performance with respect to single PPy films.Sociedade Portuguesa de Electroquímica2014-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articletext/htmlhttp://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004Portugaliae Electrochimica Acta v.32 n.4 2014reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAPenghttp://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004Lehr,I.L.Saidman,S.B.info:eu-repo/semantics/openAccess2024-02-06T17:07:16Zoai:scielo:S0872-19042014000400004Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T12:56:34.521962Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
title Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
spellingShingle Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
Lehr,I.L.
Polypyrrole
Bilayers
Molybdate
AOT
Anticorrosive properties
SAE 4140 steel
title_short Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
title_full Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
title_fullStr Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
title_full_unstemmed Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
title_sort Bilayers Polypyrrole Coatings for Corrosion Protection of SAE 4140 Steel
author Lehr,I.L.
author_facet Lehr,I.L.
Saidman,S.B.
author_role author
author2 Saidman,S.B.
author2_role author
dc.contributor.author.fl_str_mv Lehr,I.L.
Saidman,S.B.
dc.subject.por.fl_str_mv Polypyrrole
Bilayers
Molybdate
AOT
Anticorrosive properties
SAE 4140 steel
topic Polypyrrole
Bilayers
Molybdate
AOT
Anticorrosive properties
SAE 4140 steel
description In this study polypyrrole (PPy) bilayers films were electrodeposited onto SAE 4140 steel. The inner layer was electropolymerized in the presence of molibdate and nitrate and the outer layer in a solution containing sodium bis (2-ethylhexyl) sulfosuccinate (AOT). The electrosynthesis was done under potentiostatic conditions. The corrosion protection properties of the films were examined in sodium chloride solution by open circuit measurements, linear polarization and electrochemical impedance spectroscopy (EIS). The bilayer coatings present an improved anticorrosive performance with respect to single PPy films.
publishDate 2014
dc.date.none.fl_str_mv 2014-07-01
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://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004
url http://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv http://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-19042014000400004
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Portuguesa de Electroquímica
publisher.none.fl_str_mv Sociedade Portuguesa de Electroquímica
dc.source.none.fl_str_mv Portugaliae Electrochimica Acta v.32 n.4 2014
reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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