Estudio de la pasivacion de la aleacion Co-Cr-Mo en suero fisiologico

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorRamires, I.
dc.creatorRocha, L.
dc.creatorCodaro, E. N.
dc.creatorGuastaldi, A. C.
dc.date2014-05-27T11:19:51Z
dc.date2016-10-25T18:16:08Z
dc.date2014-05-27T11:19:51Z
dc.date2016-10-25T18:16:08Z
dc.date1999-12-01
dc.date.accessioned2017-04-06T00:55:52Z
dc.date.available2017-04-06T00:55:52Z
dc.identifierInformacion Tecnologica, v. 10, n. 5, p. 61-65, 1999.
dc.identifier0716-8756
dc.identifierhttp://hdl.handle.net/11449/66017
dc.identifierhttp://acervodigital.unesp.br/handle/11449/66017
dc.identifier2-s2.0-0033311351
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/887655
dc.descriptionResults are presented on the mechanism of passivation of Co-Cr-Mo biological implant alloys in physiological serum using open circuit potentiometry, potentiodynamic curves, and electrochemical impedance spectroscopy. The potential dependence of impedance data and the analysis of the parameters obtained indicate a progressive diminution of the initial layer thickness and the simultaneous formation of a second higher resistive layer. In more severe conditions than the existent in human body, the metallographic examination of the alloy surface shows localized corrosion in interdendritric regions. Elemental analysis of the surface reveals the presence of higher chromium content in these regions. The presence of chlorine was not detected, which suggested that during preferential attack, soluble species are also formed.
dc.languagespa
dc.relationInformacion Tecnologica
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectElectrochemistry
dc.subjectImplants (surgical)
dc.subjectPassivation
dc.subjectSpectroscopic analysis
dc.subjectOpen circuit potentiometry
dc.subjectPotentiodynamic curves
dc.subjectCobalt alloys
dc.titleEstudio de la pasivacion de la aleacion Co-Cr-Mo en suero fisiologico
dc.typeOtro


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