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Title: Surface Studies of Coarse-Grained and Nanostructured Titanium Implants
Authors: Korotin, D. M.
Bartkowski, S.
Kurmaev, E. Z.
Neumann, M.
Yakushina, E. B.
Valiev, R. Z.
Cholakh, S. O.
Issue Date: 2012
Citation: Surface Studies of Coarse-Grained and Nanostructured Titanium Implants / D. M. Korotin, S. Bartkowski, E. Z. Kurmaev, M. Neumann, E. B. Yakushina, R. Z. Valiev, S. O. Cholakh // Journal of Nanoscience and Nanotechnology. — 2012. — Vol. 12. — № 11. — P. 8567-8572.
Abstract: The results of XPS measurements of nanostructured Ti (ns-Ti) prepared with a help of severe plastic deformation (SPD) have been presented. We have measured XPS spectra of core levels (Ti 2p, O 1s, C 1s, F 1s and valence bands before and after treatment of ns-Ti-implants in HF. The obtained data have been compared with XPS measurements of untreated and acid treated coarsegrained Ti (cg-Ti). According to these measurements the surface composition has not practically been changed by reduction of grains size of Ti-implants. It has been found that the surface of both types of implants is covered with thick TiO 2 layer. The acid treatment reduces the surface contamination of ns-Ti and cg-Ti by hydrocarbons and induces better passivation and formation of more thick TiO2 layer. It has been shown that severe plastic deformation not only improves mechanical properties but also preserves corrosion stability of Ti-implants. Copyright © 2012 American Scientific Publishers.
SCOPUS ID: 84871901683
WOS ID: 000313851000047
PURE ID: 1072872
ISSN: 1533-4880
DOI: 10.1166/jnn.2012.6806
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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