Atomic–scale Investigations of Passive Film Formation on Ti-Nb Alloys
| dc.contributor.author | Çaha, İhsan | |
| dc.contributor.author | Alves, Alexandra C. | |
| dc.contributor.author | Chirico, Caterina | |
| dc.contributor.author | Maria Pinto, Ana | |
| dc.contributor.author | Tsipas, Sophia | |
| dc.contributor.author | Gordo, Elena | |
| dc.contributor.author | Bondarchuk, Oleksandr | |
| dc.contributor.author | Leonard Deepak, Francis | |
| dc.contributor.author | Toptan, Fatih | |
| dc.date.accessioned | 2023-02-05T13:24:15Z | |
| dc.date.available | 2023-02-05T13:24:15Z | |
| dc.date.issued | 2023 | |
| dc.description.abstract | This study extensively investigates the passive film formation mechanisms on Ti-xNb alloys by using several electrochemical techniques, including electrochemical impedance spectroscopy (EIS) before and after potentiostatic polarization at the passive zone, and Mott-Schottky (MS) measurements in 9 g/l NaCl electrolyte at 37 °C, together with X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) analysis. Overall, the Ti40Nb presented lower corrosion resistance due to a thinner passive film as compared to commercial pure Ti (grade 2) and Ti12Nb. The passive film formed on Ti12Nb and Ti40Nb alloys at a steady-state condition (+0.5 VAg/AgCl for 60 min) is composed of amorphous phases of TiO, Ti2O3, TiO2, Nb2O5 and crystalline phases of TiO2 (anatase) and Nb2O5. © 2022 Elsevier B.V. | en_US |
| dc.description.sponsorship | This work is supported by FCT with the reference project UID/EEA/04436/2019, together with M-ERA-NET/0001/2015, and by MINECO (Spain) through the program PCIN-2016-123, the Ramón y Cajal project RYC-2014–15014 and the regional government of Madrid by S2018/NMT-4411, as well, by the CASOLEM project (028917) “Correlated Analysis of Inorganic Solar Cells in and outside an Electron Microscope”, co-funded by FCT and ERDF through COMPETE2020. | en_US |
| dc.identifier.doi | 10.1016/j.apsusc.2022.156282 | |
| dc.identifier.issn | 0169-4332 | |
| dc.identifier.scopus | 2-s2.0-85145783421 | |
| dc.identifier.uri | https://doi.org/10.1016/j.apsusc.2022.156282 | |
| dc.identifier.uri | https://hdl.handle.net/11147/12918 | |
| dc.language.iso | en | en_US |
| dc.publisher | Elsevier | en_US |
| dc.relation.ispartof | Applied Surface Science | en_US |
| dc.rights | info:eu-repo/semantics/closedAccess | en_US |
| dc.subject | Corrosion | en_US |
| dc.subject | EIS | en_US |
| dc.subject | Passive film | en_US |
| dc.subject | TEM | en_US |
| dc.subject | XPS | en_US |
| dc.subject | Binary alloys | en_US |
| dc.subject | Electrochemical corrosion | en_US |
| dc.subject | Electrolytes | en_US |
| dc.subject | Niobium alloys | en_US |
| dc.subject | Titanium dioxide | en_US |
| dc.title | Atomic–scale Investigations of Passive Film Formation on Ti-Nb Alloys | en_US |
| dc.type | Article | en_US |
| dspace.entity.type | Publication | |
| gdc.author.institutional | Toptan, Fatih | |
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| gdc.coar.access | metadata only access | |
| gdc.coar.type | text::journal::journal article | |
| gdc.collaboration.industrial | false | |
| gdc.description.department | İzmir Institute of Technology. Materials Science and Engineering | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
| gdc.description.scopusquality | Q1 | |
| gdc.description.volume | 615 | en_US |
| gdc.description.wosquality | Q1 | |
| gdc.identifier.openalex | W4313400217 | |
| gdc.identifier.wos | WOS:000964727500001 | |
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| gdc.oaire.keywords | EIS | |
| gdc.oaire.keywords | Materiales | |
| gdc.oaire.keywords | Passive film | |
| gdc.oaire.keywords | Química | |
| gdc.oaire.keywords | Corrosion | |
| gdc.oaire.keywords | Ti-Nb alloys | |
| gdc.oaire.keywords | XPS | |
| gdc.oaire.keywords | TEM | |
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| gdc.oaire.sciencefields | 0210 nano-technology | |
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