Abstract
TiSiN and TiSiN/Ag coatings were prepared by multi ion arc plating and annealed at 650 °C for 5 h. It was found that the annealed coatings had the better corrosion and tribocorrosion properties than as-deposited coatings. The annealed TiSiN coatings exhibited a slower failure process in electrochemical impedance spectroscopy in test due to the reduction of porosities. Moreover, the annealing process can decrease the residual stresses in the coating which can lead to the low coefficient of friction during tribocorrosion tests. What's more, Ag played an important role in tribocorrosion experiment in TiSiN/Ag multilayer coatings. In general, the thermal treatment can improve the corrosion and tribocorrosion properties of the coatings and annealed TiSiN/Ag coatings exhibited the best tribocorrosion performance.
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