Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions

Detalhes bibliográficos
Autor(a) principal: Bastos, M.C.
Data de Publicação: 2008
Outros Autores: Proença, L.F.A., Neto, M.M.M., Fonseca, I.T.E.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.5/5616
Resumo: This paper reports an electrochemical study on the corrosion of brass in deoxygenated nonbuffered and buffered natural and artificial seawater solutions under anaerobic conditions. Cyclic voltammograms of brass and copper in natural seawater (NSW) and artificial seawater (ASW) were obtained in the passive and transpassive potential regions. The corrosion resistance of brass in natural and artificial seawater was evaluated, and opencircuit potentials were recorded over exposure period of 1 week. Brass samples from 3-month exposures in deoxygenated nonbuffered ASW and NSW, under opencircuit potential, have been imaged by scanning electron microscopy, and the elemental composition of the corrosion products was obtained by energy dispersive spectrometry analysis. It has been concluded that, under anaerobic conditions, the aggressivity of NSW is higher, with brass being less resistant to corrosion than copper, and that buffer contributes to reduce the aggressivity of both media
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spelling Electrochemical studies on the corrosion of brass in seawater under anaerobic conditionsbrass corrosionnatural seawatersynthetic seawateranaerobic conditionscyclic voltammetryThis paper reports an electrochemical study on the corrosion of brass in deoxygenated nonbuffered and buffered natural and artificial seawater solutions under anaerobic conditions. Cyclic voltammograms of brass and copper in natural seawater (NSW) and artificial seawater (ASW) were obtained in the passive and transpassive potential regions. The corrosion resistance of brass in natural and artificial seawater was evaluated, and opencircuit potentials were recorded over exposure period of 1 week. Brass samples from 3-month exposures in deoxygenated nonbuffered ASW and NSW, under opencircuit potential, have been imaged by scanning electron microscopy, and the elemental composition of the corrosion products was obtained by energy dispersive spectrometry analysis. It has been concluded that, under anaerobic conditions, the aggressivity of NSW is higher, with brass being less resistant to corrosion than copper, and that buffer contributes to reduce the aggressivity of both mediaSpringerRepositório da Universidade de LisboaBastos, M.C.Proença, L.F.A.Neto, M.M.M.Fonseca, I.T.E.2013-06-03T16:11:18Z20082008-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/5616eng"Journal of Solid State Electrochemistry". ISSN 1432-8488. 12 (2008) 121-1311432-8488info: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:RCAAP2023-03-06T14:36:29Zoai:www.repository.utl.pt:10400.5/5616Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:53:05.215620Repositório 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 Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
title Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
spellingShingle Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
Bastos, M.C.
brass corrosion
natural seawater
synthetic seawater
anaerobic conditions
cyclic voltammetry
title_short Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
title_full Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
title_fullStr Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
title_full_unstemmed Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
title_sort Electrochemical studies on the corrosion of brass in seawater under anaerobic conditions
author Bastos, M.C.
author_facet Bastos, M.C.
Proença, L.F.A.
Neto, M.M.M.
Fonseca, I.T.E.
author_role author
author2 Proença, L.F.A.
Neto, M.M.M.
Fonseca, I.T.E.
author2_role author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Bastos, M.C.
Proença, L.F.A.
Neto, M.M.M.
Fonseca, I.T.E.
dc.subject.por.fl_str_mv brass corrosion
natural seawater
synthetic seawater
anaerobic conditions
cyclic voltammetry
topic brass corrosion
natural seawater
synthetic seawater
anaerobic conditions
cyclic voltammetry
description This paper reports an electrochemical study on the corrosion of brass in deoxygenated nonbuffered and buffered natural and artificial seawater solutions under anaerobic conditions. Cyclic voltammograms of brass and copper in natural seawater (NSW) and artificial seawater (ASW) were obtained in the passive and transpassive potential regions. The corrosion resistance of brass in natural and artificial seawater was evaluated, and opencircuit potentials were recorded over exposure period of 1 week. Brass samples from 3-month exposures in deoxygenated nonbuffered ASW and NSW, under opencircuit potential, have been imaged by scanning electron microscopy, and the elemental composition of the corrosion products was obtained by energy dispersive spectrometry analysis. It has been concluded that, under anaerobic conditions, the aggressivity of NSW is higher, with brass being less resistant to corrosion than copper, and that buffer contributes to reduce the aggressivity of both media
publishDate 2008
dc.date.none.fl_str_mv 2008
2008-01-01T00:00:00Z
2013-06-03T16:11:18Z
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/10400.5/5616
url http://hdl.handle.net/10400.5/5616
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv "Journal of Solid State Electrochemistry". ISSN 1432-8488. 12 (2008) 121-131
1432-8488
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 Springer
publisher.none.fl_str_mv Springer
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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