Effect of TiO Concentration on Microstructure and Properties of Composite Cu-Sn-TiO Coatings Obtained by Electrodeposition.

In this work, Cu-Sn-TiO composite coatings were electrochemically obtained from a sulfate bath containing 0-10 g/L of TiO nanoparticles. The effect of TiO particles on kinetics of cathodic electrodeposition has been studied by linear sweep voltammetry and chronopotentiometry. As compared to the Cu-Sn alloy, the Cu-Sn-TiO composite coatings show rougher surfaces with TiO agglomerates embedded in the metal matrix.

Ultrasonic-assisted electrodeposition of Cu-Sn-TiO nanocomposite coatings with enhanced antibacterial activity.

Copper-based coatings are known for their high antibacterial activity. In this study, nanocomposite Cu-Sn-TiO coatings were obtained by electrodeposition from an oxalic acid bath additionally containing 4 g/dm TiO with mechanical and ultrasonic agitation. Ultrasound treatment was performed at 26 kHz frequency and 32 W/dm power.