Changes in the resistance to corrosion of thermally passivated titanium aluminide during exposure to sodium chloride solution

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dc.citation.epage1095en_US
dc.citation.issueNumber2en_US
dc.citation.spage1079en_US
dc.citation.volumeNumber41en_US
dc.contributor.authorSaebnoori, E.en_US
dc.contributor.authorShahrabi, T.en_US
dc.contributor.authorJafarian H.en_US
dc.contributor.authorGhaffari, M.en_US
dc.date.accessioned2016-02-08T10:04:30Z
dc.date.available2016-02-08T10:04:30Z
dc.date.issued2015en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractIn this study the surface of Ti-47Al-2Cr (at. %) was modified by heating and exposure to nitrogen gas flow to form a predominantly oxide layer on the surface. Samples were then immersed in Ringer's solution and 3.5 wt. % sodium chloride solution and electrochemical impedance spectroscopy tests were performed at regular intervals. The results showed that the layer is highly resistant to corrosion. The equivalent circuit proposed for the impedance curves includes a Warburg element, because diffusion is controlling charge transfer through the passive surface layer. The resistance of the layer was not significantly reduced even after 300 h exposure to solutions and scanning electron micrographs showed the surface was not damaged. © 2013 Springer Science+Business Media Dordrecht.en_US
dc.identifier.doi10.1007/s11164-013-1255-4en_US
dc.identifier.issn0922-6168
dc.identifier.urihttp://hdl.handle.net/11693/22769
dc.language.isoEnglishen_US
dc.publisherKluwer Academic Publishersen_US
dc.relation.isversionofhttp://dx.doi.org/10.1007/s11164-013-1255-4en_US
dc.source.titleResearch on Chemical Intermediatesen_US
dc.subjectCorrosionen_US
dc.subjectEISen_US
dc.subjectElectrochemical stabilityen_US
dc.subjectGamma titanium aluminide (γ-TiAl)en_US
dc.subjectPassivationen_US
dc.subjectSodium chlorideen_US
dc.subjectCharge transferen_US
dc.subjectCorrosionen_US
dc.subjectElectrochemical corrosionen_US
dc.subjectElectrochemical impedance spectroscopyen_US
dc.subjectFlow of gasesen_US
dc.subjectNitrogenen_US
dc.subjectPassivationen_US
dc.subjectScanning electron microscopyen_US
dc.subjectSodiumen_US
dc.subjectSodium chlorideen_US
dc.subjectTitaniumen_US
dc.subjectEISen_US
dc.subjectElectrochemical stabilitiesen_US
dc.subjectGamma-titanium aluminideen_US
dc.subjectNitrogen gas flowen_US
dc.subjectRinger's solutionen_US
dc.subjectScanning electron micrographsen_US
dc.subjectSodium chloride solutionen_US
dc.subjectTitanium aluminidesen_US
dc.subjectSurface resistanceen_US
dc.titleChanges in the resistance to corrosion of thermally passivated titanium aluminide during exposure to sodium chloride solutionen_US
dc.typeArticleen_US
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