Hydroxyapatite coating on titanium by a low energy plasma spraying mini-gun

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dc.contributor.authorDemnati, I.
dc.contributor.authorParco, M.
dc.contributor.authorGrossin, D.
dc.contributor.authorFagoaga, I.
dc.contributor.authorDrouet, C.
dc.contributor.authorBarykin, G.
dc.contributor.authorCombes, C.
dc.contributor.authorBraceras, I.
dc.contributor.authorGoncalves, S.
dc.contributor.authorRey, C.
dc.contributor.institutionEXTREMAT
dc.contributor.institutionINGENIERÍA DE SUPERFICIES
dc.date.accessioned2024-07-24T11:59:40Z
dc.date.available2024-07-24T11:59:40Z
dc.date.issued2012-01-15
dc.description.abstractPlasma-sprayed hydroxyapatite (HA) coatings are used on metallic implants to improve osseointegration and bone growth. The purpose of this work was to determine the microstructure and composition of HA coatings obtained with a newly developed low energy plasma spray mini-gun employing an HA feedstock powder with smaller granulometry than that commonly used. The microstructure and the phase composition of the coatings obtained by varying the number of mini-gun runs were examined using scanning electron microscopy, X-ray diffraction and Fourier transform infrared and micro-Raman spectroscopy. In all cases, the results indicate the presence of an amorphous phase and oxyapatite in the coatings due to hydroxyl group removal. No other foreign crystalline phases were detected. The absence of foreign phases was attributed to the fast cooling rate of the small particles used in the experiments and the low amount of energy employed with the mini-gun. Decomposition in the υ1PO4 region of the Raman spectra allowed a semi-quantitative evaluation of the phase contents as a function of the number of runs. Micro-Raman spectroscopy appears to be a powerful technique providing comprehensive and localised information concerning calcium phosphate phases in coatings.en
dc.description.sponsorshipThis study was carried out under an MNT ERA-Net Project called NANOMED. The authors gratefully thank the Midi-Pyrénées region for financial support for research carried out in the CIRIMAT Laboratory (France), and the Basque government and Tratamientos Superficiales Iontech , S.A. for their financial and technical support under the IG-2007/0000381 grant for the development of the LEPS device and deposition of the coatings carried out at INASMET-Tecnalia. Industrial French collaborators (TEKNIMED SA and 2PS SA) were financed by OSEO programs.
dc.description.statusPeer reviewed
dc.format.extent8
dc.identifier.citationDemnati , I , Parco , M , Grossin , D , Fagoaga , I , Drouet , C , Barykin , G , Combes , C , Braceras , I , Goncalves , S & Rey , C 2012 , ' Hydroxyapatite coating on titanium by a low energy plasma spraying mini-gun ' , Surface and Coatings Technology , vol. 206 , no. 8-9 , pp. 2346-2353 . https://doi.org/10.1016/j.surfcoat.2011.10.025
dc.identifier.doi10.1016/j.surfcoat.2011.10.025
dc.identifier.issn0257-8972
dc.identifier.urihttps://hdl.handle.net/11556/2967
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=84855288944&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofSurface and Coatings Technology
dc.relation.projectIDINASMET-Tecnalia
dc.relation.projectIDOSEO
dc.relation.projectIDEusko Jaurlaritza, IG-2007/0000381
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject.keywordsHydroxyapatite
dc.subject.keywordsOxyapatite
dc.subject.keywordsPlasma-spray
dc.subject.keywordsRaman spectroscopy
dc.subject.keywordsGeneral Chemistry
dc.subject.keywordsCondensed Matter Physics
dc.subject.keywordsSurfaces and Interfaces
dc.subject.keywordsSurfaces, Coatings and Films
dc.subject.keywordsMaterials Chemistry
dc.titleHydroxyapatite coating on titanium by a low energy plasma spraying mini-gunen
dc.typejournal article
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