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Use of licorice plant extract for controlling corrosion of steel rebar in chloride-polluted concrete pore solution

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Comportamiento en Servicio de Materialeses
dc.contributor.authorNaderi Mahmoodi, Reza
dc.contributor.authorBautista Arija, María Asunción
dc.contributor.authorVelasco López, Francisco Javier
dc.contributor.authorSoleimani, M
dc.contributor.authorPourfath, M
dc.contributor.funderEuropean Commissionen
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es
dc.date.accessioned2022-05-31T09:25:41Z
dc.date.available2022-05-31T09:25:41Z
dc.date.issued2022-01-15
dc.description.abstractThe possibility of using licorice extract as a green inhibitor for steel reinforcements in chloride-contaminated simulated concrete pore solution was explored in this study. Different licorice amounts were added to alkaline solutions and then 1% NaCl was also added. Electrochemical studies, up to 24 h, and surface analysis (X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy and scanning electron microscopy) were performed. Results demonstrated the inhibition effectiveness of the plant extract on steel rebar corrosion, regardless of the concentration, being detected an inhibition efficiency higher than 80 % with electrochemical techniques for 0.1% licorice extract, which showed the most effective performance. Surface analysis methods confirmed the presence of licorice on the surface, through the deposition of organic molecules present in the plant extract on the surface oxide/hydroxide. DFT calculations confirmed that compounds present in licorice can be chemically adsorbed on steel oxide surface.en
dc.description.sponsorshipThis research was funded by the European Union Horizon 2020 research and innovation MSCA-IF-2019 programme under grant agreement No 892074 (NATCON project). Support from the Ministerio de Ciencia, Innovación y Universidades of Spain (RTI2018-096428-B-I00) is also acknowledged.en
dc.format.extent15es
dc.identifier.bibliographicCitationNaderi, R.; Bautista, A.; Velasco, F.; Soleimani, M.; Pourfath, M. Use of licorice plant extract for controlling corrosion of steel rebar in chloride-polluted concrete pore solution. In: Journal of molecular liquids, Vol. 346, 15 January 2022, 117856 (15 p.)en
dc.identifier.doihttps://doi.org/10.1016/j.molliq.2021.117856
dc.identifier.issn0167-7322
dc.identifier.publicationfirstpage1es
dc.identifier.publicationissue117856es
dc.identifier.publicationlastpage15es
dc.identifier.publicationtitleJOURNAL OF MOLECULAR LIQUIDSen
dc.identifier.publicationvolume346es
dc.identifier.urihttps://hdl.handle.net/10016/34940
dc.identifier.uxxiAR/0000029267
dc.language.isoengen
dc.publisherElsevier B.V.es
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/892074/NATCONes
dc.relation.projectIDGobierno de España. RTI2018-096428-B-I00/FACORes
dc.rights© 2021 The Authors. Published by Elsevier B.V.en
dc.rightsThis is an open access article under the CC BY license.en
dc.rightsAtribución 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subject.ecienciaMaterialeses
dc.subject.otherSteel rebaren
dc.subject.otherLicorice extracten
dc.subject.otherGreen corrosion inhibitoren
dc.subject.otherSimulated concrete pore solutionen
dc.subject.otherElectrochemical assessmenten
dc.subject.otherSurface analysisen
dc.titleUse of licorice plant extract for controlling corrosion of steel rebar in chloride-polluted concrete pore solutionen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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