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Characterization of thermal oxide films formed on a duplex stainless steel by means of confocal-Raman microscopy and electrochemical techniques

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Characterization of thermal oxide films formed on a duplex stainless steel by means of confocal-Raman microscopy and electrochemical techniques

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dc.contributor.author Sánchez Tovar, Rita es_ES
dc.contributor.author Leiva García, Rafael es_ES
dc.contributor.author García Antón, José es_ES
dc.date.accessioned 2015-06-01T08:22:02Z
dc.date.available 2015-06-01T08:22:02Z
dc.date.issued 2015-02-02
dc.identifier.issn 0040-6090
dc.identifier.uri http://hdl.handle.net/10251/51029
dc.description.abstract In this work oxide films have been developed on the surface of a duplex stainless steel (UNS 1.4462) using high temperature confocal microscopy to follow their growth. The characteristics of these oxide films have been analyzed by means of weight-gain measurements, Raman microscopy and electrochemical techniques, namely potentiodynamic polarization curves and electrochemical impedance spectroscopy. The results show an increase in the amount of oxides (particularly γ-Fe2O3 and Fe3O4) with temperature. Regarding the electrochemical properties of these films, the corrosion resistance of the film tends to be lower with the heat treatment temperature, probably due to a more porous and heterogeneous scale. Mott–Schottky plots show the n-type semiconductive behavior of the films with donor densities that decrease with the enhancement of the temperature. es_ES
dc.description.sponsorship We wish to express our gratitude to MICINN (CTQ2009-07518) (UPVO8-3E-012), to Universitat Politecnica de Valencia (CEI-01-11), to the Generalitat Valenciana for its help in the CLSM acquisition (MY08/ISIRM/S/100), and to Dr. Asuncion Jaime for her translation assistance. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Thin Solid Films es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Stainless steel es_ES
dc.subject Electrochemical impedance spectroscopy es_ES
dc.subject Raman spectroscopy es_ES
dc.subject Confocal laser microscopy es_ES
dc.subject Oxidation es_ES
dc.subject Passivation es_ES
dc.subject.classification INGENIERIA QUIMICA es_ES
dc.title Characterization of thermal oxide films formed on a duplex stainless steel by means of confocal-Raman microscopy and electrochemical techniques es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.tsf.2014.12.024
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//UPOV08-3E-012/ES/MICROSCOPIO LASER CONFOCAL/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//CTQ2009-07518/ES/ESTUDIO DE LA CORROSION TERMOGALVANICA EN LAS MAQUINAS DE ABSORCION DE LIBR DE DOBLE EFECTO MEDIANTE TECNICAS ELECTROQUIMICAS Y DE IMAGEN/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//CEI-01-11/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//MY08%2FISIRM%2FS%2F100/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Seguridad Industrial, Radiofísica y Medioambiental - Institut de Seguretat Industrial, Radiofísica i Mediambiental es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Química y Nuclear - Departament d'Enginyeria Química i Nuclear es_ES
dc.description.bibliographicCitation Sánchez Tovar, R.; Leiva García, R.; García Antón, J. (2015). Characterization of thermal oxide films formed on a duplex stainless steel by means of confocal-Raman microscopy and electrochemical techniques. Thin Solid Films. 576:1-10. https://doi.org/10.1016/j.tsf.2014.12.024 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.tsf.2014.12.024 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 10 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 576 es_ES
dc.relation.senia 278761
dc.contributor.funder Universitat Politècnica de València es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Generalitat Valenciana es_ES


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