Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures

Autores
Kociubczyk, Alex Iván; Mendez, Claudia Marcela; Gregorutti, Ricardo Walter; Ares, Alicia Esther
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The electrochemical behavior of ASTM F75 alloy was analyzed in a sodium chloride solution at pH values of 5, 7, and 9 and temperatures of 37 and 42 °C. The tests were performed in samples corresponding to two different regions of a hip prosthesis. Polarization curves showed that as pH increased the passivity range decreased. However, according to the complementary potentiodynamic?potentiostatic?potentiodynamic technique performed, the increase in the anodic current density was due to a change in the chromium oxidation state from Cr+3 to Cr+6 to form CrO4−2, and not to localized corrosion. On the other hand, neither the microstructure nor the temperature had influence on the electrochemical response of ASTM F75. The electrochemical impedance spectroscopy test showed that as pH increased, the passive film became more compact and thicker. However, its resistance decreased and the electrical double layer became more disordered, promoting diffusion processes of charged species. These results are in agreement with those obtained in the polarization curves, which showed an increase in the dissolution of the passive film, caused by the change in the chromium oxidation state, as pH increased.
Fil: Kociubczyk, Alex Iván. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina
Fil: Mendez, Claudia Marcela. Universidad Nacional de Misiones; Argentina
Fil: Gregorutti, Ricardo Walter. Lemit; Argentina
Fil: Ares, Alicia Esther. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina
Materia
Astm F75
Biomaterials
Corrosion
Ph, Temperature
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/44431
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Electrochemical analysis of the ASTM F75 alloy at different pH values and temperaturesKociubczyk, Alex IvánMendez, Claudia MarcelaGregorutti, Ricardo WalterAres, Alicia EstherAstm F75BiomaterialsCorrosionPh, Temperaturehttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2The electrochemical behavior of ASTM F75 alloy was analyzed in a sodium chloride solution at pH values of 5, 7, and 9 and temperatures of 37 and 42 °C. The tests were performed in samples corresponding to two different regions of a hip prosthesis. Polarization curves showed that as pH increased the passivity range decreased. However, according to the complementary potentiodynamic?potentiostatic?potentiodynamic technique performed, the increase in the anodic current density was due to a change in the chromium oxidation state from Cr+3 to Cr+6 to form CrO4−2, and not to localized corrosion. On the other hand, neither the microstructure nor the temperature had influence on the electrochemical response of ASTM F75. The electrochemical impedance spectroscopy test showed that as pH increased, the passive film became more compact and thicker. However, its resistance decreased and the electrical double layer became more disordered, promoting diffusion processes of charged species. These results are in agreement with those obtained in the polarization curves, which showed an increase in the dissolution of the passive film, caused by the change in the chromium oxidation state, as pH increased.Fil: Kociubczyk, Alex Iván. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; ArgentinaFil: Mendez, Claudia Marcela. Universidad Nacional de Misiones; ArgentinaFil: Gregorutti, Ricardo Walter. Lemit; ArgentinaFil: Ares, Alicia Esther. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; ArgentinaWiley VCH Verlag2017-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/44431Kociubczyk, Alex Iván; Mendez, Claudia Marcela; Gregorutti, Ricardo Walter; Ares, Alicia Esther; Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures; Wiley VCH Verlag; Materials And Corrosion-Werkstoffe und Korrosion; 69; 1; 2-2017; 106-1140947-5117CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/maco.201609394/fullinfo:eu-repo/semantics/altIdentifier/doi/10.1002/maco.201609394info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:48:08Zoai:ri.conicet.gov.ar:11336/44431instacron: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:34982025-09-03 09:48:09.014CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
title Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
spellingShingle Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
Kociubczyk, Alex Iván
Astm F75
Biomaterials
Corrosion
Ph, Temperature
title_short Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
title_full Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
title_fullStr Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
title_full_unstemmed Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
title_sort Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures
dc.creator.none.fl_str_mv Kociubczyk, Alex Iván
Mendez, Claudia Marcela
Gregorutti, Ricardo Walter
Ares, Alicia Esther
author Kociubczyk, Alex Iván
author_facet Kociubczyk, Alex Iván
Mendez, Claudia Marcela
Gregorutti, Ricardo Walter
Ares, Alicia Esther
author_role author
author2 Mendez, Claudia Marcela
Gregorutti, Ricardo Walter
Ares, Alicia Esther
author2_role author
author
author
dc.subject.none.fl_str_mv Astm F75
Biomaterials
Corrosion
Ph, Temperature
topic Astm F75
Biomaterials
Corrosion
Ph, Temperature
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The electrochemical behavior of ASTM F75 alloy was analyzed in a sodium chloride solution at pH values of 5, 7, and 9 and temperatures of 37 and 42 °C. The tests were performed in samples corresponding to two different regions of a hip prosthesis. Polarization curves showed that as pH increased the passivity range decreased. However, according to the complementary potentiodynamic?potentiostatic?potentiodynamic technique performed, the increase in the anodic current density was due to a change in the chromium oxidation state from Cr+3 to Cr+6 to form CrO4−2, and not to localized corrosion. On the other hand, neither the microstructure nor the temperature had influence on the electrochemical response of ASTM F75. The electrochemical impedance spectroscopy test showed that as pH increased, the passive film became more compact and thicker. However, its resistance decreased and the electrical double layer became more disordered, promoting diffusion processes of charged species. These results are in agreement with those obtained in the polarization curves, which showed an increase in the dissolution of the passive film, caused by the change in the chromium oxidation state, as pH increased.
Fil: Kociubczyk, Alex Iván. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina
Fil: Mendez, Claudia Marcela. Universidad Nacional de Misiones; Argentina
Fil: Gregorutti, Ricardo Walter. Lemit; Argentina
Fil: Ares, Alicia Esther. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Materiales de Misiones. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Instituto de Materiales de Misiones; Argentina
description The electrochemical behavior of ASTM F75 alloy was analyzed in a sodium chloride solution at pH values of 5, 7, and 9 and temperatures of 37 and 42 °C. The tests were performed in samples corresponding to two different regions of a hip prosthesis. Polarization curves showed that as pH increased the passivity range decreased. However, according to the complementary potentiodynamic?potentiostatic?potentiodynamic technique performed, the increase in the anodic current density was due to a change in the chromium oxidation state from Cr+3 to Cr+6 to form CrO4−2, and not to localized corrosion. On the other hand, neither the microstructure nor the temperature had influence on the electrochemical response of ASTM F75. The electrochemical impedance spectroscopy test showed that as pH increased, the passive film became more compact and thicker. However, its resistance decreased and the electrical double layer became more disordered, promoting diffusion processes of charged species. These results are in agreement with those obtained in the polarization curves, which showed an increase in the dissolution of the passive film, caused by the change in the chromium oxidation state, as pH increased.
publishDate 2017
dc.date.none.fl_str_mv 2017-02
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/11336/44431
Kociubczyk, Alex Iván; Mendez, Claudia Marcela; Gregorutti, Ricardo Walter; Ares, Alicia Esther; Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures; Wiley VCH Verlag; Materials And Corrosion-Werkstoffe und Korrosion; 69; 1; 2-2017; 106-114
0947-5117
CONICET Digital
CONICET
url http://hdl.handle.net/11336/44431
identifier_str_mv Kociubczyk, Alex Iván; Mendez, Claudia Marcela; Gregorutti, Ricardo Walter; Ares, Alicia Esther; Electrochemical analysis of the ASTM F75 alloy at different pH values and temperatures; Wiley VCH Verlag; Materials And Corrosion-Werkstoffe und Korrosion; 69; 1; 2-2017; 106-114
0947-5117
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://onlinelibrary.wiley.com/doi/10.1002/maco.201609394/full
info:eu-repo/semantics/altIdentifier/doi/10.1002/maco.201609394
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley VCH Verlag
publisher.none.fl_str_mv Wiley VCH Verlag
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
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 13.13397

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