Development of lotus-like hydroxyapatite coating on HELCDEB treated titanium by pulsed electrodeposition
2013
Gōpi, Ḍi. | Karthika, A. | Sekar, M. | Kavitha, L. | Pramod, R | Dwivedi, Jishnu
Pure titanium (Ti) was irradiated using high energy low current electron beam (HELCDEB) with a concentrated energy flow of 500keV at 1.5mA beam current. The irradiated Ti surface was coated with hydroxyapatite (HAP) by pulsed electrodeposition (PED) with the optimum concentration of 2000ppm H₂O₂ at current density 1mA/cm². The HRSEM characterization of HAP coating on the HELCDEB treated Ti substrate exhibited lotus flower-like morphology. The corrosion resistivity of HAP coating on the HELCDEB treated Ti was investigated by the potentiodynamic polarization technique, which shows desired bioresistivity in simulated body fluid (SBF). The as-coated HAP can immensely serve as a potential candidate for biomedical applications.
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