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Surface characteristics and in-vitro behavior of chemically treated bulk Ti6Al7Nb alloys

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dc.contributor.author Esen, Ziya
dc.contributor.author Öcal, Ezgi Bütev
dc.date.accessioned 2020-03-19T10:49:24Z
dc.date.available 2020-03-19T10:49:24Z
dc.date.issued 2017-01-15
dc.identifier.citation Esen, Ziya; Öcal, Ezgi Bütev, "Surface characteristics and in-vitro behavior of chemically treated bulk Ti6Al7Nb alloys", Surface & Coatings Technology, Vol.309, pp.829-839, (2017). tr_TR
dc.identifier.issn 0257-8972
dc.identifier.uri http://hdl.handle.net/20.500.12416/2690
dc.description.abstract The effect of various treatments on surface chemical composition and structure, and bioactivity of Ti6Al7Nb bulk alloys has been investigated. The alloys were treated employing aqueous solutions of NaOH and CaCl2 separately, and also by subsequent CaCl2 treatment after NaOH treatment (NaOH-CaCl2 treatment) which were followed by heat treatment. NaOH treatment was observed to be effective in enrichment of surface layer with Na. On the other hand, Na+ ions were mostly replaced by Ca2+ ions as a result of NaOH-CaCl2 treatment, while single step CaCl2 treatment was less effective in Ca incorporation. Additionally, porous network surface structure seen in NaOH and NaOH-CaCl2 treated samples was completely different than globular morphology detected in CaCl2-treated samples in single step. Subsequent heat treatments caused coarsening of surface structure and loss of some Na+ and Ca2+ ions. NaOH and NaOH-heat treated samples did not exhibit apatite formation within 15 days immersion in simulated body fluid (SBF). On the other hand, NaOH-CaCl2 samples had the highest apatite formation; however, NaOH-CaCl2-heat treated samples did not display any mineralization. Conversely, CaCl2 treated samples allowed apatite formation after heat treatment. tr_TR
dc.language.iso eng tr_TR
dc.publisher Elsevier Science SA tr_TR
dc.relation.isversionof 10.1016/j.surfcoat.2016.10.078 tr_TR
dc.rights info:eu-repo/semantics/closedAccess tr_TR
dc.subject Ti6Al7Nb Alloy tr_TR
dc.subject Sodium tr_TR
dc.subject Calcium tr_TR
dc.subject Simulated Body Fluid tr_TR
dc.subject Apatite tr_TR
dc.subject X-Ray Photoelectron Spectroscopy tr_TR
dc.title Surface characteristics and in-vitro behavior of chemically treated bulk Ti6Al7Nb alloys tr_TR
dc.type article tr_TR
dc.relation.journal Surface & Coatings Technology tr_TR
dc.contributor.authorID 52373 tr_TR
dc.identifier.volume 309 tr_TR
dc.identifier.startpage 829 tr_TR
dc.identifier.endpage 839 tr_TR
dc.contributor.department Çankaya Üniversitesi, Mühendislik Fakültesi, Malzeme Bilimi ve Mühendisliği Bölümü tr_TR


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