Abstract
Nano-sized calcium phosphate film was formed on Ti–6Al–4V alloy using simple electrochemical deposition. Pre-treatment of Ti–6Al–4V alloy was carried out by galvanostatic treatment step which acted as anchorage for growth of the hydroxyapatite during subsequent pulsed electrochemical deposition process at 40 and 85 °C. The phase and morphologies of deposited calcium phosphate were influenced by the electrolyte temperature and electrolyte ratio (Ca/P). The nano needle-like precipitates were formed under 1.67 Ca/P ratio in solution. The needle-like deposits were transferred to the plate-like precipitates in the case of Ca-deficient or Ca-rich electrolyte.
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