Abstract
A novel hydroxyapatite/Al2O3 (anodic) biocomposite coating has been successfuly fabricated on titanium using a multi-step technique including physical vapor deposition (PVD), anodization, electrodeposition and hydrothermal treatment. Scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), and X-ray diffraction (XRD) were employed to investigate morphologies and compositions of the pre- and post-hydrothermally treated hydroxyapatite/Al2O3 (anodic) biocomposite coatings. The results showed that plate-like Ca-deficient hydroxyapatite coating was directly elctrodeposited onto anodic Al2O3 at a constant current density of 2.0 mA/cm2 using NaH2PO4 as the phosphorous source. The plate-like Ca-deficient hydroxyapatite was converted into network-like Ca-rich hydroxyapatite after hydrothermal treatment.
Original language | English |
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Pages (from-to) | 257-262 |
Number of pages | 6 |
Journal | Key Engineering Materials |
Volume | 312 |
DOIs | |
Publication status | Published - 2006 |
Externally published | Yes |
Keywords
- Anodization
- Biocomposite coating
- Electrodeposition
- Hydrothermal treatment
- Hydroxyapatite
ASJC Scopus subject areas
- General Materials Science
- Mechanics of Materials
- Mechanical Engineering