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dc.contributor.authorZal Nezhad, Erfan-
dc.date.accessioned2016-12-06T05:38:13Z-
dc.date.available2016-12-06T05:38:13Z-
dc.date.issued2015-05-
dc.identifier.citationCERAMICS INTERNATIONAL, v. 41, NO 9, Page. 10844-10855en_US
dc.identifier.issn0272-8842-
dc.identifier.issn1873-3956-
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S0272884215009542-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/24707-
dc.description.abstractIn this study, the microstructural features and corrosion behavior of self-organized TiO2 nanotubular arrays on Ti-6Al-7Nb (Ti67) produced from different electrolytes, namely glycerol (G) and ethylene glycol (EG) were investigated. From the XRD data, the TiO2 characteristic peaks were absent after the anodization, but TiO2 crystallization occurred during annealing at 600 degrees C for 2 h, and consequently, led to the formation of highly crystalline TiO2 (anatase). The corrosion resistance of the anodized samples was higher than the substrate after 30 min of immersion in phosphate buffer saline (PBS) solution. In fact, the surface modification of Ti67 with a nanotubular TiO2 layer was effective in enhancing the passive layer resistance and reducing the corrosion current density (I-corr) compared to the substrate. Due to the decrease in I-corr the corrosion rate decreased and reached a minimum of 6.38 x 10(-2) mm y(-1) for the nanotubes (anodized sample in G) annealed at 600 degrees C for 2 h. These results show that the corrosion behavior of the nanotubular structure was affected by the type of electrolyte and subsequent thermal treatment. (C) 2015 Published by Elsevier Ltd and Techna Group S.r.l.en_US
dc.description.sponsorshipThe authors would like to acknowledge the University of Malaya for providing the necessary facilities and resources for this research. This research was fully funded by the Ministry of Higher Education, Malaysia with the high impact research grant numbers of UM.C/625/1/HIR/MOHE/ENG/27 and RP005B-13AET.en_US
dc.language.isoenen_US
dc.publisherELSEVIER SCI LTDen_US
dc.subjectSurface modificationen_US
dc.subjectTi-6Al-7Nben_US
dc.subjectTiO2 nanotubeen_US
dc.subjectCorrosion behavioren_US
dc.titleMicrostructural development and corrosion behavior of self-organized TiO2 nanotubes coated on Ti-6Al-7Nben_US
dc.typeArticleen_US
dc.relation.no9-
dc.relation.volume41-
dc.identifier.doi10.1016/j.ceramint.2015.05.025-
dc.relation.page10844-10855-
dc.relation.journalCERAMICS INTERNATIONAL-
dc.contributor.googleauthorRafieerad, A. R.-
dc.contributor.googleauthorBushroa, A. R.-
dc.contributor.googleauthorZalnezhad, E.-
dc.contributor.googleauthorSarraf, M.-
dc.contributor.googleauthorBasirun, W. J.-
dc.contributor.googleauthorBaradaran, S.-
dc.contributor.googleauthorNasiri-Tabrizi, B.-
dc.relation.code2015002110-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDIVISION OF MECHANICAL ENGINEERING-
dc.identifier.piderfan-
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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