Copper Surface Treatment Method with Antibacterial Performance Using "Super-Spread Wetting" Properties.

In this work, a copper coating is developed on a carbon steel substrate by exploiting the superwetting properties of liquid copper. We characterize the surface morphology, chemical composition, roughness, wettability, ability to release a copper ion from surfaces, and antibacterial efficacy (against and ). The coating shows a dense microstructure and good adhesion, with thicknesses of approximately 20-40 µm.