Nanometer-scale surface modification of Ti6Al4V alloy for orthopedic applications

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DOIResolve DOI: http://doi.org/10.1002/jbm.a.31359
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TypeArticle
Journal titleJournal of Biomedical Materials Research Part A
ISSN1552-4965
Volume84A
Issue1
Pages6372; # of pages: 10
Subjectelectrochemical activation; titanium oxide; nanometer scale; Ti6Al4V alloy; hydroxyapatite coating
AbstractThis communication presents a novel technology to enhance the biocompatibility of bioinert Ti6Al4V alloy as implant materials for orthopaedic application. The surface of Ti6Al4V alloy was electrochemically activated in NaOH solution to create a porous structure with nanometer topographic features and an alkaline environment, thus promoting the formation of bone-like hydroxyapatite coating and enhancing the bonding strength of the coating. This innovative activation process was proved to be effective and essential. The activated surface was confirmed to be pure TiO2 and the formed coating was characterized of pure hydroxyapatite with a nanometer-scaled grain size structure by means of XPS, FESEM/SEM/EDX, XRD, and TEM techniques.
Publication date
LanguageEnglish
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NPARC number21274297
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Record identifier0b0ab39f-f456-4b12-adda-712572556229
Record created2015-03-09
Record modified2016-05-09
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