Affiliation:
1. School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, P. R. China
2. Graduate School of Science and Technology, Gunma University, Gunma 376-8515, Japan
Abstract
A series of ZrN–Cu nano-composite films were deposited using the RF magnetron sputtering system. The microstructure, mechanical properties and tribological properties were investigated. The results showed that ZrN–Cu films were composed of face-centered cubice (fcc)-ZrN and face-centered cubic (fcc)-Cu. With the increase of Cu content, the hardness of ZrN–Cu composite film increased slowly first and then decreased rapidly. The maximum hardness value was 34.6[Formula: see text]GPa at 16[Formula: see text]at.% Cu. At room temperature, the coefficient of friction (Cof.) of ZrN–Cu films were lower than the ZrN film. When the content of Cu was lower than 39[Formula: see text]at.%, the wear rate of ZrN–Cu films were lower than the ZrN film. When the temperature of tribological testing was between 200–700[Formula: see text]C, the Cof. of ZrN–Cu films at 16[Formula: see text]at.% Cu were lower than ZrN film, while the wear rates were higher than the ZrN film. In summary, the addition of Cu improved the hardness and tribological properties of the ZrN–Cu film at room temperature, and decreased the Cof. of the ZrN-Cu during 200–700[Formula: see text]C.
Funder
National Natural Science Foundation of China
Postgraduate Research & Practice Innovation Program of Jiangsu Province
Research Fund of Jiangsu University of Science and Technology
Publisher
World Scientific Pub Co Pte Lt
Subject
Condensed Matter Physics,General Materials Science
Cited by
9 articles.
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