Influence of Ag target current on the structure and tribological properties of CrMoSiCN/Ag coatings in air and water

被引：14
|
作者：
Zhang, Maoda [1 ]
Zhou, Fei [1 ]
Fu, Yongqiang [1 ]
Wang, Qianzhi [1 ]
Zhou, Zhifeng [2 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Natl Key Lab Sci & Technol Helicopter Transmissio, Nanjing 210016, Peoples R China
[2] City Univ Hong Kong, Hong Kong Branch, Natl Precious Met Mat Engn Res Ctr NPMM, Kowloon, 83 Tat Chee Ave, Hong Kong, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2021年 / 160卷
基金：
中国国家自然科学基金;
关键词：
CrMoSiCN; Ag coating; Structure; Hardness; Friction; Wear; MECHANICAL-PROPERTIES; WEAR PROPERTIES; ANTIBACTERIAL ACTIVITY; CRN COATINGS; N COATINGS; TIN-AG; MICROSTRUCTURE; CARBON; PERFORMANCE; FRICTION;
D O I：
10.1016/j.triboint.2021.107059
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
CrMoSiCN/Ag coatings with various Ag contents were deposited using unbalanced closed-field magnetron sputtering by adjusting Ag target current. There were (Cr, Mo)N solid solution, Ag nano-crystals and amorphous Si-C-N in coatings. As Ag target current increased, the morphological characteristics were changed from refined grains to agglomerate Ag particles on surfaces, and then the surface roughness of coatings increased, while the coating hardness first raised and then declined, while the contact angles of water on coatings decreased. When Ag target current was 0.4 A, the coating presented the lowest friction coefficient and lowest wear rate. The frictionreduced mechanism of CrMoSiCN/Ag coatings with high Ag content was due to the tribo-layer of Ag, MoO3 and Ag2MoO4 in air and hydroxide in water.
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收藏
页数：18
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