期刊
TRIBOLOGY INTERNATIONAL
卷 179, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2022.108179
关键词
Magnetron sputtering; Carbonitride; Microstructure; Tribo-corrosion
High-entropy carbonitrides have excellent properties in friction and corrosion. The tribo-corrosion response of (CrNbTiAlV)CxNy coating was studied in 3.5 wt.% NaCl solution. The doping of carbon makes the coating structure dense. The coating with 40% carbon content has the best performance in terms of hardness, friction coefficient, and wear volume loss, effectively protecting the substrate in tribo-corrosion conditions.
High-entropy carbonitrides exhibit excellent properties in friction and corrosion. Here, the tribo-corrosion response of (CrNbTiAlV)CxNy coating were studied in 3.5 wt.% NaCl solution at room temperature. The doping of carbon makes the coating structure dense. When the carbon content of the coating is 40%, the coating exhibits maximum hardness (20.21 GPa). As the carbon content increases, the synergistic effect of tribo-corrosion on the coating gradually weakens, and friction coefficient decreases. The coating with 40% carbon content has the smallest change in static and dynamic current density (0.14 x10-8 A/cm2), the smallest friction coefficient (0.28), and the smallest wear volume loss. These results show that the coating can effectively protect the sub-strate in case of tribo-corrosion.
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