Corrosion Protection of Mg Alloy by a TiO2 Coating Prepared by Sol-Gel Method

Yi Zhang; Cai Li Zhang; Xiang Meng; Guo Qin Cao; Chuan Shuai Li

doi:10.4028/www.scientific.net/AMR.740.473

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 740Corrosion Protection of Mg Alloy by a TiO2 Coating...

Corrosion Protection of Mg Alloy by a TiO₂ Coating Prepared by Sol-Gel Method

Abstract:

TiO₂ films were prepared on the AZ31 Mg alloy substrate by sol-gel method. The morphology was characterized via X-ray diffractometer (XRD), scanning electron microscopy (SEM) and energy disperses spectroscopy (EDS). The corrosion rate of the coated AZ31 mg alloy was tested with the method of orthogonal experiment design. The influence of the hydrolysis temperature, coating times, calcinations temperature and time was investigated.