Biofunctionalization Of Ti6al4v Surface With Ag Modified Hap Coatings Via Electrochemical Deposition

The current study aim is to biofunctionalized the Ti6Al4V medical alloy with undoped (HAp) and Ag doped hydroxyapatite (Ag-HAp) coating by pulsed electrochemical deposition. The morphology of HAp has modified after Ag addition, revealing a surface made from thinner and wider plate crystals, on which small bright particles attributed to Ag were noted. Ag addition has increased the Ca/P ratio up to 1.62 from 1.58 in the case of undoped HAp. XRD and FTIR analysis have confirmed that both coatings consist in HAp phase and that the Ca from HAp structure was partially substituted by Ag. Nevertheless, the electrochemical measurements and in bioactivity assays, showed that the proposed coatings are enhancing the behavior of Ti6Al4V in simulated media, indicating their potential as biomaterials for medical applications.