Tribological and physical properties of PTFE-NBR self-lubricating composites under water lubrication

被引：12
作者：
Feng, Wei [1 ,2 ]
Yin, Lei [1 ,2 ]
Han, Yanfeng [1 ,2 ]
Wang, Jiaxu [1 ,2 ]
Xiao, Ke [1 ,2 ]
Li, Junyang [1 ,2 ]
机构：
[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing, Peoples R China
[2] Chongqing Univ, Coll Mech Engn, Chongqing, Peoples R China
来源：
INDUSTRIAL LUBRICATION AND TRIBOLOGY | 2021年 / 73卷 / 01期
关键词：
PTFE-NBR; Friction; Self-lubrication; Water-lubricated bearing; NITRILE BUTADIENE RUBBER; WEAR BEHAVIOR; FRICTION; BEARINGS;
D O I：
10.1108/ILT-05-2020-0187
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Purpose - This paper aims to explore the possibility of converting the nitrile butadiene rubber (NBR) water-lubricated bearing material into a self-lubricating bearing material by the action of polytetrafluoroethylene (PTFE) particles and water lubrication. Design/methodology/approach - A group of experimental studies was carried out on a ring-on-block friction test. The physical properties, tribological properties and interface structure of PTFE-NBR self-lubricating composites filled with different percentages of PTFE particles were investigated. Findings - The experimental results indicated that the reduction in friction and wear is a result of the formation of the lubricating film on the surface of the composites. The lubricating film was formed of a large amount of PTFE particles continuously supplied under water lubrication conditions and the PTFE particles here can greatly enhance the load capacity and lubrication performance. Originality/value - In this study, the tribological properties of PTFE particles added to the NBR water-lubricated bearing materials under water lubrication were investigated experimentally, and the research was carried out by a ring-on-block friction test. It is believed that this study can provide some guidance for the application of PTFE-NBR self-lubricating. Peer review - The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-05-2020-0187/
引用
收藏
页码：82 / 87
页数：6
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