Tribological and Electrochemical Behavior of CrN/ZrN multilayer Coatings Produced by Arc-PVD
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJMSEI-19-1_008
تاریخ نمایه سازی: 16 بهمن 1401
Abstract:
In this study, CrN/ZrN multilayer nanostructured coatings with different bilayers (۱۰, ۲۰, and ۳۰) were created by the cathodic arc evaporation. The electrochemical behavior of samples was evaluated by polarization and impedance spectroscopy tests in the Ringer medium and the pin on disk test was used to investigate the tribological behavior of the samples. The results of measurements showed that the electrochemical and tribological behavior of the coatings depends on the number of bilayers and by rising the number of bilayers, the coating shows higher corrosion resistance and better tribological performance. Field emission scanning electron microscopy (FE-SEM) images of the specimens after exposure to the corrosion medium showed that the number of surface cavities were formed by the coating that had the highest number of bilayers comparing with other coatings were quite fewer in number and smaller in diameter. The results of the pin on disk test showed that by increasing the number of bilayers from ۱۰ to ۳۰, the coefficient of friction and wear rate decreased and the ۳۰L coating showed better wear resistance.
Keywords:
multilayer nanostructure , bilayers , CrN/ZrN , cathodic arc evaporation-physical vapor deposition (Arc-PVD) , tribological behavior
Authors
Parviz Parviz Mohamadian Samim
Department of Materials Engineering, Technical and Vocational University (TVU), Tehran, Iran
Arash Fattah-alhosseini
Department of Materials Engineering, Bu-Ali Sina University, Hamedan ۶۵۱۷۸-۳۸۶۹۵, Iran
Hassan Elmkhah
Department of Materials Engineering, Bu-Ali Sina University, Hamedan ۶۵۱۷۸-۳۸۶۹۵, Iran
Omid Imantalab
Department of Materials Engineering, Bu-Ali Sina University, Hamedan ۶۵۱۷۸-۳۸۶۹۵, Iran
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