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Study of the sensitisation of a highly alloyed austenitic stainless steel, Alloy 926 (UNS N08926), by means of scanning electrochemical microscopy

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Study of the sensitisation of a highly alloyed austenitic stainless steel, Alloy 926 (UNS N08926), by means of scanning electrochemical microscopy

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dc.contributor.author Leiva García, Rafael es_ES
dc.contributor.author Akid, R. es_ES
dc.contributor.author Greenfield, D. es_ES
dc.contributor.author Gittens, J. es_ES
dc.contributor.author Muñoz Portero, María José es_ES
dc.contributor.author García Antón, José es_ES
dc.date.accessioned 2015-10-27T12:17:08Z
dc.date.available 2015-10-27T12:17:08Z
dc.date.issued 2012-05-30
dc.identifier.issn 0013-4686
dc.identifier.uri http://hdl.handle.net/10251/56589
dc.description.abstract The feedback mode of a scanning electrochemical microscope (SECM) was applied to study differences in the reactivity of a highly alloyed austenitic stainless steel, Alloy 926 (UNS N08926), in its unsensitised and sensitised state. Alloy 926 was heated at 825 °C for 1 h in an inert atmosphere in order to produce a sensitised metallurgical condition. Sensitisation was due to chromium carbide formation at the grain boundaries. The oxygen reduction reaction was used as an indicator to monitor the effect of the sensitisation process on the corrosion activity of the Alloy 926 surface in a 35 g l -1 NaCl solution. Higher oxygen consumption was observed above the sensitised sample than above the unsensitised sample due to differences in the oxide films of the two alloy conditions. es_ES
dc.description.sponsorship We wish to express our gratitude to MICINN (CTQ2009-07518, BES2007-16321) for its financial support during the stay at Sheffield Hallam University, to Universitat Politecnica de Valencia (CEI-01-11), to Dr. Oliver Lewis from Sheffield Hallam University, and to Dr. Helena Alves from Krupp VDM for supplying the materials. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Electrochimica Acta es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Austenitic stainless steel es_ES
dc.subject Intergranular corrosion es_ES
dc.subject Scanning electrochemical microscopy es_ES
dc.subject Sensitisation es_ES
dc.subject Chromium carbide es_ES
dc.subject Corrosion activity es_ES
dc.subject Feedback mode es_ES
dc.subject Inert atmospheres es_ES
dc.subject Metallurgical conditions es_ES
dc.subject NaCl solution es_ES
dc.subject Oxygen consumption es_ES
dc.subject Oxygen reduction reaction es_ES
dc.subject Scanning electrochemical microscopes es_ES
dc.subject Alloys es_ES
dc.subject Carbides es_ES
dc.subject Corrosion es_ES
dc.subject Electrolytic reduction es_ES
dc.subject Grain boundaries es_ES
dc.subject Oxide films es_ES
dc.subject Scanning electron microscopy es_ES
dc.subject Scanning probe microscopy es_ES
dc.subject Sodium chloride es_ES
dc.subject State feedback es_ES
dc.subject Analytic equipment es_ES
dc.subject.classification INGENIERIA QUIMICA es_ES
dc.title Study of the sensitisation of a highly alloyed austenitic stainless steel, Alloy 926 (UNS N08926), by means of scanning electrochemical microscopy es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.electacta.2012.03.036
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/MEC//BES-2007-16321/ES/BES-2007-16321/ es_ES
dc.rights.accessRights Abierto 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 Leiva García, R.; Akid, R.; Greenfield, D.; Gittens, J.; Muñoz Portero, MJ.; García Antón, J. (2012). Study of the sensitisation of a highly alloyed austenitic stainless steel, Alloy 926 (UNS N08926), by means of scanning electrochemical microscopy. Electrochimica Acta. 70:105-111. https://doi.org/10.1016/j.electacta.2012.03.036 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.electacta.2012.03.036 es_ES
dc.description.upvformatpinicio 105 es_ES
dc.description.upvformatpfin 111 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 70 es_ES
dc.relation.senia 231279 es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Ministerio de Educación y Ciencia es_ES


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