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dc.contributor.authorBastidas, D. M.-
dc.contributor.authorFernández-Jiménez, Ana-
dc.contributor.authorPalomo, Ángel-
dc.contributor.authorGonzález, J. A.-
dc.date.accessioned2010-01-11T12:16:16Z-
dc.date.available2010-01-11T12:16:16Z-
dc.date.issued2008-04-
dc.identifier.citationCorrosion Science 50(4): 1058-1065 (2008)en_US
dc.identifier.issn0010-938X-
dc.identifier.urihttp://hdl.handle.net/10261/19923-
dc.description.abstractThe main reason for the premature failure of reinforced concrete structures (RCS) is corrosion of the reinforcements. The use of new mortars based on activated fly ash, an alternative to conventional portland cement, requires extensive research in order to check its passivating properties for reinforcements and the instability or permanence of the passive state achieved. The present paper studies this objective, analysing the passivating capacity of specimens manufactured with three different fly ash mortars treated with three activators and the stability of the passive state under the effect of 0%, 0.2%, 0.4% and 2% chloride additions in relation to the binder material, in an environment of apparently constant humidity and in humidity cycles. The evolution with time of corrosion potential (Ecorr) and polarisation resistance (Rp) was studied. Polarisation curves and time constants (τ) were also assessed for some specimens using short duration galvanostatic pulses.en_US
dc.description.sponsorshipD.M. Bastidas and A. Fernández-Jiménez express their gratitude to the CSIC of Spain for their Contract under the I3P Program co-financed by the European Social Fund.en_US
dc.format.extent98816 bytes-
dc.format.mimetypeapplication/vnd.ms-excel-
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsclosedAccessen_US
dc.subjectSteelen_US
dc.subjectReinforced concreteen_US
dc.subjectFly ash mortaren_US
dc.subjectPortland cementen_US
dc.subjectPassive–active transitionen_US
dc.titleA study on the passive state stability of steel embedded in activated fly ash mortarsen_US
dc.typeArtículoen_US
dc.identifier.doidoi:10.1016/j.corsci.2007.11.016-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.corsci.2007.11.016en_US
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