Corrugated stainless steels embedded in mortar for 9 years: corrosion results of non-carbonated, chloride-contaminated samples

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Show simple item record Bautista Arija, María Asunción Paredes, E. C. Velasco López, Francisco Javier Álvarez, S. M. 2016-05-13T11:42:09Z 2015-09-15
dc.identifier.bibliographicCitation Construction and building materials 93 (2015), pp. 350-359
dc.identifier.issn 0950-0618
dc.description.abstract Mortar samples reinforced with 5 different corrugated stainless steels were tested for 9 years in 2 different conditions: partial immersion (PI) in 3.5% NaCl, and chloride addition to the mortar and exposure to high relative humidity (HRH). The monitoring during the exposures was carried out with corrosion potential (E-corr) and electrochemical impedance spectroscopy (EIS) measurements. A year before finishing (after 8 years of exposure), the reinforced mortar samples were anodically polarised to obtain more information about the pitting resistance of the passive layers formed under the different conditions. The last year of exposure was established to study the progress or repassivation of the pits. The PI is the most aggressive testing condition and it causes low-intensity corrosion in S20430 austenitic stainless steel after 7 years of exposure. The S32205 duplex stainless steel shows very good corrosion behaviour
dc.description.sponsorship The present work was funded by the Spanish Ministry of Science and Innovation through the Project reference BIA2007 66491 C02 02.
dc.format.extent 10
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier Ltd.
dc.rights © 2015 Elsevier Ltd.
dc.rights Atribución–Nocomercial–Sinderivadas 3.0 España
dc.subject.other Stainless steel
dc.subject.other Steel reinforced mortar
dc.subject.other EIS
dc.subject.other Polarisation
dc.subject.other Passivity
dc.subject.other Pitting corrosion
dc.title Corrugated stainless steels embedded in mortar for 9 years: corrosion results of non-carbonated, chloride-contaminated samples
dc.type article
dc.subject.eciencia Materiales
dc.identifier.doi 10.1016/j.conbuildmat.2015.04.060
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. BIA2007 66491 C02 02
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 350
dc.identifier.publicationlastpage 359
dc.identifier.publicationtitle Construction and building materials
dc.identifier.publicationvolume 93
dc.identifier.uxxi AR/0000017160
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