Microstructures and friction-wear behaviors of cathodic arc ion plated CrN coatings at high temperatures

[+] Author and Article Information
Zhu Shouyu

School of Mechanical Engineering, Changzhou University, Changzhou 213164, P.R. China

Kong dejun

School of Mechanical Engineering, Changzhou University, Changzhou 213164, P.R. ChinaChangzhou high technology research key laboratory of mould advanced manufacturing, Changzhou University, Changzhou 213164, P.R. China

1Corresponding author.

ASME doi:10.1115/1.4038101 History: Received August 29, 2016; Revised September 24, 2017


A Chromium nitride (CrN) coating was deposited on YT14 cemented carbide using a cathodic arc ion plating (CAIP). The high temperature friction and wear of the obtained coating at were investigated using a wear test. The results show that the Cr and N form the atom-rich zones in the coating. The average COF of CrN coatings at 300, 400, and 500 °C is 0.50, 0.62, and 0.43, respectively. The wear mechanism of CrN coating at 300 and 400 °C is abrasive wear, and that at 500 °C is abrasive wear, accompanied by slight oxidation wear.

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