Effect of surface treatment on the bioactivity and electrochemical behavior of magnesium alloys in simulated body fluid

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dc.contributor.authorSasikumar, Y.
dc.contributor.authorSolomon, Moses M.
dc.contributor.authorOlasunkanmi, Lukman O.
dc.contributor.authorEbenso, Eno
dc.date.accessioned2020-05-01T09:11:47Z
dc.date.available2020-05-01T09:11:47Z
dc.date.issued2017
dc.departmentDÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.descriptionSolomon, Moses/0000-0002-3251-8846; Olasunkanmi, Lukman O./0000-0002-6295-2950; Ebenso, Eno E./0000-0002-0411-9258en_US
dc.descriptionWOS: 000404883500009en_US
dc.description.abstractThe effect of surface treatment using NaOH or H2O2 on the bioactivity and corrosion behavior of AZX310, AZ91D, AM50, and AZ31 Mg alloys in simulated body fluid (SBF) has been studied with the aid of surface morphological assessment, in vitro characterization, and electrochemical measurements. The influence of immersion time on the behavior of the treated alloys in SBF was also investigated. X-ray diffraction (XRD) and scanning electron microscopy (SEM) analyses confirmed successful surface modification upon treatment of alloy surface with NaOH and H2O2. XRD and SEM analyses also revealed that surface modification enhances formation and growth of hydroxyapatite (HA). Formation of HA layer on the alloy surface was further confirmed by Fourier transform infrared spectroscopy analysis. In vitro immersion test reveals that pH of SBF solution containing treated alloys is lower than that containing untreated alloy. However, pH increases with immersion time. Results from weight loss and electrochemical measurements indicate that treated alloys possess higher corrosion resistance in SBF than the untreated ones. H2O2 treated alloys demonstrated greater corrosion resistance in SBF than NaOH treated alloys.en_US
dc.description.sponsorshipNRF (South Africa)National Research Foundation - South Africaen_US
dc.description.sponsorshipNRF (South Africa)en_US
dc.identifier.doi10.1002/maco.201609317en_US
dc.identifier.endpage790en_US
dc.identifier.issn0947-5117
dc.identifier.issn1521-4176
dc.identifier.issue7en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage776en_US
dc.identifier.urihttps://doi.org/10.1002/maco.201609317
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5767
dc.identifier.volume68en_US
dc.identifier.wosWOS:000404883500009en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWiley-V C H Verlag Gmbhen_US
dc.relation.ispartofMaterials And Corrosion-Werkstoffe Und Korrosionen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectelectrochemistryen_US
dc.subjectmagnesium alloysen_US
dc.subjectsurface treatmenten_US
dc.titleEffect of surface treatment on the bioactivity and electrochemical behavior of magnesium alloys in simulated body fluiden_US
dc.typeArticleen_US

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