NDLI: Electrolytic deposition of hydroxyapatite coating on thermal treated Ti-40Zr

Content Provider	Springer Nature Link
Author	Hsu, Hsueh Chuan Wu, Shih Ching Lin, Chih Hung Ho, Wen Fu
Copyright Year	2009
Abstract	In this study, hydroxyapatite (HA) was coated on both thermal treated and untreated Ti-40Zr substrates by means of electrolytic deposition. It was predicted that the HA layer would increase the bioactivity and osteoconductivity of the Ti-40Zr substrate, and a thermal treatment would improve the bonding strength between the HA layer and Ti-40Zr substrate, and prevent the corrosion of the Ti-40Zr substrate. First, the Ti-40Zr samples were annealed at various temperatures (200, 300, 400, 500 and 600°C respectively). After annealing, samples were immersed in a Ca(NO$_{3}$)$_{2}$ · 4H$_{2}$O and (NH$_{4}$)$_{3}$PO$_{4}$ · 3H$_{2}$O solution for the electrolytic deposition of the HA coating. Various analyses of the coating were conducted, including surface morphology, phase structure, corrosion resistance, biocompatibility, and bond strength between HA and Ti-40Zr. Experimental results indicated that the bonding strength of the HA coating on the thermal treated Ti-40Zr was markedly improved when compared to that of the HA coating on an untreated Ti-40Zr alloy. The corrosion resistance of Ti-40Zr was also improved by the use of the thermal treatment, as shown by a potentiodynamic polarization test. Finally, osteoblast-like cells cultured on the HA coating surface were found to have proliferated on all samples.
Starting Page	1825
Ending Page	1830
Page Count	6
File Format	PDF
ISSN	09574530
Journal	Journal of Materials Science: Materials in Medicine
Volume Number	20
Issue Number	9
e-ISSN	15734838
Language	English
Publisher	Springer US
Publisher Date	2009-04-29
Publisher Place	Boston
Access Restriction	Subscribed
Subject Keyword	Surfaces and Interfaces, Thin Films Characterization and Evaluation of Materials Metallic Materials Ceramics, Glass, Composites, Natural Methods Polymer Sciences Biomaterials
Content Type	Text
Resource Type	Article
Subject	Biomaterials Biophysics Bioengineering Biomedical Engineering

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