Abstract
Improving the property of coating is the focus of current marine protection research. In this paper, the Zn-Al-Mg-TiO2 and ZnAl coatings were prepared by cold spraying. The wear, electrochemical experiment and methyl blue degradation tests were carried out to study the tribological, anticorrosive and antifouling properties of coatings. The microstructure, composition, and wear scar of coatings were analyzed by scanning electron microscope (SEM), energy dispersive spectrometer (EDS), and white-light interferometer. The results showed that the wear mechanism of the Zn-Al-Mg-TiO2 coating was mainly abrasive wear, and the wear property of the Zn-Al-Mg-TiO2 coating was better than ZnAl coating. Compared with the ZnAl coating, Zn-Al-Mg-TiO2 coating had lower corrosion current density. In addition, the Zn-Al-Mg-TiO2 coating can rapidly degrade methyl blue in a UV-rich environment, but ZnAl coating did not.
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