Abstract:Double-glow plasma (DGP) coatings are recommended for metallic components to mitigate the damage induced by complex loading conditions. In this paper, Cr-Nb alloyed layer was formed onto the TiAl substrate via a double-glow plasma process to enhance its anti-fretting wear performance. Nano-indentation and scratch tests were used to evaluate the mechanical properties of the coating. The fretting wear behavior of the coating was investigated using a pin-on-plate fretting rig by rubbing against the Si3N4 ball. Th… Show more
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