A simple chemical method for preparation of hydroxyapatite coatings on Ti6Al4V substrate

Authors: Najdoski M.Z.¹; Majhi P.²; Grozdanov I.S.¹

Source: Journal of Materials Science: Materials in Medicine, Volume 12, Number 6, June 2001 , pp. 479-483(5)

Publisher: Springer

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Abstract:

A novel, simple and economical chemical bath method for deposition of calcium hydroxyapatite coating has been developed. The coatings were prepared from EDTA solutions in alkaline media on Ti6Al4V substrates. The method is based on thermal dissociation of the \hbox{Ca}\hbox{(EDTA)}^{2-} complex at 65–95 °C. Two chemical baths with and without presence of \hbox{Na}^{+} and \hbox{Cl}^{-} were used for the deposition. The Rutherford back scattering study shows that the coating material from bath which contained sodium and chlorine ions have their presence in the coated material. The bath which has been prepared with potassium substituting sodium and nitrate substituting chlorine produced coatings with better stoichiometry, with Ca/P=1,67. The X-ray analysis revealed that the calcium hydroxyapatite coatings have preferred crystal orientation in the 002 direction. © 2001 Kluwer Academic Publishers

Language: English

Document Type: Regular paper

Affiliations: 1: Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Sts. Cyril and Methodius University, POB 162, Arhimedova 5, 91000 Skopje, Republic of Macedonia 2: Department of Chemical, Bio, and Materials Engineering, Arizona State University, Tempe, Arizona 85287-6006, USA

Publication date: 2001-06-01