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research-article

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
54531533@qq.com

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
kong-dejun@163.com

1Corresponding author.

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

Abstract

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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