Electrophoretic Deposition of Barium Titanate Nanopowder Coatings for Corrosive Protection of Carbon Steel
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Abstract
Nanomaterials coatings were developed for corrosion protection of carbon steel. Barium titanate (BaTiO3) possesses a distinctive layered structure that can be effectively utilized to enhance the resistance to corrosion in industrial coating systems. Homogeneous Barium titanate films were deposited successfully by electrophoretic deposition (EPD) using an aqueous suspension under altering deposition time. An investigation was conducted using electrochemical measurements to determine the impact of a Barium titanate BaTiO3 coating on the corrosion resistance of carbon steel. Deposited layers characterizations such as adhesion and wettability have been investigated. X-ray Diffraction (XRD), a field emission scanning electron microscope (FE-SEM), and Energy Dispersive Spectroscopy (EDX) confirmed the successful incorporation of the composites in the coating. The corrosion protection properties of the prepared coatings were evaluated using OCP, Tafel, and Cyclic Voltammetry (CV) measurements. The surface morphology of the coatings after corrosion was studied using Field Emission Scanning Electron Microscopy (FESEM). The scanning electron microscope (SEM) analysis of the deposited thin film shows that the film is adhered, dense, and free of voids. This characteristic allows the coated carbon steel to have a high corrosion resistance.
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