Abstract
In this study, the photoelectrochemical behavior of the carbon steel with TiO2 coating by sol-gel method were investigated to preventing or minimizing the atmospheric corrosion. Various oxide structure of carbon steel and the TiO2 annealing process were also investigated in this study.The crystallinity of TiO2 was analyzed with grazing incident X-ray diffraction (GIXRD) and the interfacial oxide layer composition and thickness were analyzed via the Raman spectroscopy and SEM, respectively. Potential dynamic analyses and open circuit potential (OCP) measurement were carried out under a designated solution to evaluate the corrosion mitigation of the TiO2 coated carbon steel with or without UV illumination. These results indicated that the TiO2 treatment with UV illumination would effectively reduce the carbon steel corrosion rate in atmospheric environments.
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