Abstract
Plasma spraying process was carried out to prepare Al2O3+13%TiO2 ceramic coating on AZ9Subscript text1D magnesium alloy by an orthogonal experiment. The microstructural characteristics and properties of coating were investigated. The results reveal that the bonding strength of optimized Al2O3+13%TiO2 coating reach 19.54MPa. The thermal shock failure of the coating is mainly due to fatigue under thermal cycling stress. The corrosion resistance of magnesium alloy is remarkably improved by plasma-sprayed Al2O3+13%TiO2 coating.
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