Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios

Phosphate ions are studied as corrosion inhibitors in pore simulating solutions highly contaminated with chloride ions. The investigation aims at understanding the role of phosphates in the corrosion inhibition mechanism, employing potentiodynamic polarization tests, micro-Raman spectroscopy, impeda...

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Detalles Bibliográficos
Autores: Yohai del Cerro, Lucía, Schreiner, Wido H., Valcarce, María Beatriz, Vazquez, Marcela Vivian
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2016
País:Argentina
Institución:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/32100
Acceso en línea:http://hdl.handle.net/11336/32100
Access Level:acceso abierto
Palabra clave:Corrosion
Steel
Phosphate ions
Oxide
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
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spelling Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratiosYohai del Cerro, LucíaSchreiner, Wido H.Valcarce, María BeatrizVazquez, Marcela VivianCorrosionSteelPhosphate ionsOxidePhosphate ionshttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1https://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1Phosphate ions are studied as corrosion inhibitors in pore simulating solutions highly contaminated with chloride ions. The investigation aims at understanding the role of phosphates in the corrosion inhibition mechanism, employing potentiodynamic polarization tests, micro-Raman spectroscopy, impedance spectroscopy, X-ray photo electronic spectroscopy (XPS) and weight loss tests. Two inhibitor/chloride ratios were assessed, [PO43−]/[Cl−] = 0.2 and 0.6. When [PO43−]/[Cl−] = 0.6, pitting is inhibited, even after 90 days exposure. [PO43−]/[Cl−] = 0.2 only delayed the onset of localized attack. XPS showed that phosphates incorporate to the surface film. Phosphate ions behaved as mixed-type corrosion inhibitors. The results are interpreted by the participation of phosphates in the duplex passive film being formed on carbon steel.Fil: Yohai del Cerro, Lucía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaFil: Schreiner, Wido H.. Universidade Federal do Paraná; BrasilFil: Valcarce, María Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaFil: Vazquez, Marcela Vivian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaElectrochemical Society2016-09-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/32100Vazquez, Marcela Vivian; Valcarce, María Beatriz; Schreiner, Wido H.; Yohai del Cerro, Lucía; Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios; Electrochemical Society; Journal of the Electrochemical Society; 163; 13; 21-9-2016; 729-7370013-4651CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://jes.ecsdl.org/content/163/13/C729info:eu-repo/semantics/altIdentifier/doi/10.1149/2.0511613jesinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2024-05-08T14:27:51Zoai:ri.conicet.gov.ar:11336/32100instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982024-05-08 14:27:52.159CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
title Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
spellingShingle Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
Yohai del Cerro, Lucía
Corrosion
Steel
Phosphate ions
Oxide
Phosphate ions
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
title_short Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
title_full Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
title_fullStr Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
title_full_unstemmed Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
title_sort Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios
dc.creator.none.fl_str_mv Yohai del Cerro, Lucía
Schreiner, Wido H.
Valcarce, María Beatriz
Vazquez, Marcela Vivian
author Yohai del Cerro, Lucía
author_facet Yohai del Cerro, Lucía
Schreiner, Wido H.
Valcarce, María Beatriz
Vazquez, Marcela Vivian
author_role author
author2 Schreiner, Wido H.
Valcarce, María Beatriz
Vazquez, Marcela Vivian
author2_role author
author
author
dc.subject.none.fl_str_mv Corrosion
Steel
Phosphate ions
Oxide
Phosphate ions
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
topic Corrosion
Steel
Phosphate ions
Oxide
Phosphate ions
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
description Phosphate ions are studied as corrosion inhibitors in pore simulating solutions highly contaminated with chloride ions. The investigation aims at understanding the role of phosphates in the corrosion inhibition mechanism, employing potentiodynamic polarization tests, micro-Raman spectroscopy, impedance spectroscopy, X-ray photo electronic spectroscopy (XPS) and weight loss tests. Two inhibitor/chloride ratios were assessed, [PO43−]/[Cl−] = 0.2 and 0.6. When [PO43−]/[Cl−] = 0.6, pitting is inhibited, even after 90 days exposure. [PO43−]/[Cl−] = 0.2 only delayed the onset of localized attack. XPS showed that phosphates incorporate to the surface film. Phosphate ions behaved as mixed-type corrosion inhibitors. The results are interpreted by the participation of phosphates in the duplex passive film being formed on carbon steel.
publishDate 2016
dc.date.none.fl_str_mv 2016-09-21
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/32100
Vazquez, Marcela Vivian; Valcarce, María Beatriz; Schreiner, Wido H.; Yohai del Cerro, Lucía; Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios; Electrochemical Society; Journal of the Electrochemical Society; 163; 13; 21-9-2016; 729-737
0013-4651
CONICET Digital
CONICET
url http://hdl.handle.net/11336/32100
identifier_str_mv Vazquez, Marcela Vivian; Valcarce, María Beatriz; Schreiner, Wido H.; Yohai del Cerro, Lucía; Inhibiting steel corrosion in simulated concrete with low phosphate to chloride ratios; Electrochemical Society; Journal of the Electrochemical Society; 163; 13; 21-9-2016; 729-737
0013-4651
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://jes.ecsdl.org/content/163/13/C729
info:eu-repo/semantics/altIdentifier/doi/10.1149/2.0511613jes
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Electrochemical Society
publisher.none.fl_str_mv Electrochemical Society
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 15,811543

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