Abstract
Dry sliding friction and wear behavior of TiN and CrN deposited on 2024 aluminum alloy by arc ion plating was investigated using the ball-on-disk wear test. The effects of normal load and ceramic coating on the friction coefficient and wear-resistance of 2024 aluminum alloy were studied. The worn surfaces were observed by scanning electron microscopy (SEM). The results show that wear volume increases while the friction coefficient decreases with an increase in normal load. The wear resistance of CrN is higher than that of TiN. The wear mechanism of TiN-coated 2024 Al is related to the oxidation of TiN coating and plastic deformation of 2024 Al. Conversely, the wear mechanism of CrN-coated 2024 Al is related to the fatigue fracture of the coating, which was affected by residual stress and plastic deformation of 2024 Al.
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Zhou, F., Suh, CM., Kim, SS. et al. Sliding-Wear Behavior of TiN- and CrN-Coated 2024 Aluminum Alloy Against an Al2O3 Ball. Tribology Letters 13, 173–178 (2002). https://doi.org/10.1023/A:1020103908345
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DOI: https://doi.org/10.1023/A:1020103908345