In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates

Detalhes bibliográficos
Autor(a) principal: Maltseva, A.
Data de Publicação: 2020
Outros Autores: Lamaka, S.V., Yasakau, K.A., Mei, Di, Kurchavov, D., Zheludkevich, M.L., Lefèvre, G., Volovitch, P.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10773/37304
Resumo: Mechanisms of inhibition of Mg aqueous corrosion in presence of chloride by sodium salicylate (Sal), 2,5-pyridinedicarboxylate (PDC) and fumarate (Fum) were studied by in situ Raman spectroscopy, ATR-FTIR, GD-OES and hydrogen collection. In situ detected surface films were composed by Mg(OH)2 nano-crystals and included inhibitors. All carboxylates significantly modified Mg(OH)2 growth kinetics as well as pevented chloride incorporation in the film. Vibrational spectra of the surface films demonstrated specific interactions between the carboxylates and the surface: adsorption of Sal and Fum on the oxide/hydroxide, precipitation of coordination polymer by PDC, dissolution of iron inclusions via formation of iron-Sal soluble complexes.
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spelling In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylatesMgIn situ Raman spectroscopyGlow discharge optical emission spectroscopyATR-FTIROrganic inhibitorsSurface filmMechanisms of inhibition of Mg aqueous corrosion in presence of chloride by sodium salicylate (Sal), 2,5-pyridinedicarboxylate (PDC) and fumarate (Fum) were studied by in situ Raman spectroscopy, ATR-FTIR, GD-OES and hydrogen collection. In situ detected surface films were composed by Mg(OH)2 nano-crystals and included inhibitors. All carboxylates significantly modified Mg(OH)2 growth kinetics as well as pevented chloride incorporation in the film. Vibrational spectra of the surface films demonstrated specific interactions between the carboxylates and the surface: adsorption of Sal and Fum on the oxide/hydroxide, precipitation of coordination polymer by PDC, dissolution of iron inclusions via formation of iron-Sal soluble complexes.Elsevier2023-04-24T09:32:41Z2020-07-15T00:00:00Z2020-07-15info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/37304eng0010-938X10.1016/j.corsci.2020.108484Maltseva, A.Lamaka, S.V.Yasakau, K.A.Mei, DiKurchavov, D.Zheludkevich, M.L.Lefèvre, G.Volovitch, P.info: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:RCAAP2024-02-22T12:11:59Zoai:ria.ua.pt:10773/37304Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:07:55.589431Repositório 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 In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
title In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
spellingShingle In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
Maltseva, A.
Mg
In situ Raman spectroscopy
Glow discharge optical emission spectroscopy
ATR-FTIR
Organic inhibitors
Surface film
title_short In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
title_full In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
title_fullStr In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
title_full_unstemmed In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
title_sort In situ surface film evolution during Mg aqueous corrosion in presence of selected carboxylates
author Maltseva, A.
author_facet Maltseva, A.
Lamaka, S.V.
Yasakau, K.A.
Mei, Di
Kurchavov, D.
Zheludkevich, M.L.
Lefèvre, G.
Volovitch, P.
author_role author
author2 Lamaka, S.V.
Yasakau, K.A.
Mei, Di
Kurchavov, D.
Zheludkevich, M.L.
Lefèvre, G.
Volovitch, P.
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Maltseva, A.
Lamaka, S.V.
Yasakau, K.A.
Mei, Di
Kurchavov, D.
Zheludkevich, M.L.
Lefèvre, G.
Volovitch, P.
dc.subject.por.fl_str_mv Mg
In situ Raman spectroscopy
Glow discharge optical emission spectroscopy
ATR-FTIR
Organic inhibitors
Surface film
topic Mg
In situ Raman spectroscopy
Glow discharge optical emission spectroscopy
ATR-FTIR
Organic inhibitors
Surface film
description Mechanisms of inhibition of Mg aqueous corrosion in presence of chloride by sodium salicylate (Sal), 2,5-pyridinedicarboxylate (PDC) and fumarate (Fum) were studied by in situ Raman spectroscopy, ATR-FTIR, GD-OES and hydrogen collection. In situ detected surface films were composed by Mg(OH)2 nano-crystals and included inhibitors. All carboxylates significantly modified Mg(OH)2 growth kinetics as well as pevented chloride incorporation in the film. Vibrational spectra of the surface films demonstrated specific interactions between the carboxylates and the surface: adsorption of Sal and Fum on the oxide/hydroxide, precipitation of coordination polymer by PDC, dissolution of iron inclusions via formation of iron-Sal soluble complexes.
publishDate 2020
dc.date.none.fl_str_mv 2020-07-15T00:00:00Z
2020-07-15
2023-04-24T09:32:41Z
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/10773/37304
url http://hdl.handle.net/10773/37304
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0010-938X
10.1016/j.corsci.2020.108484
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 Elsevier
publisher.none.fl_str_mv Elsevier
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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