Abstract
Two closed field unbalanced magnetrons with aluminium and molybdenum targets were used for the codeposition of Al-Mo coatings with different compositions. A pin on disc machine and a computer controlled potentiostat were used to evaluate the tribological and corrosion properties of the deposited alloys respectively. Results show that introducing molybdenum into aluminium coatings improves their poor tribological properties; Al-Mo coatings with different compositions showed low wear behaviour and for coatings with high molybdenum contents (> 80%) friction coefficients against steel as low as 0·18 were obtained. The addition of molybdenum to aluminium coatings reduced their tendency to corrode and corrosion current density in a marine environment.
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