期刊
INDUSTRIAL LUBRICATION AND TRIBOLOGY
卷 73, 期 1, 页码 82-87出版社
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/ILT-05-2020-0187
关键词
PTFE-NBR; Friction; Self-lubrication; Water-lubricated bearing
资金
- National Key RAMP
- D Program of China [2017YFB1300604]
- General Projects of Basic Science and Frontier Technology Research of Chongqing [cstc2018jcyjAX0442]
This study experimentally investigated the tribological properties of adding PTFE particles to NBR water-lubricated bearing materials under water lubrication conditions. The results showed that the PTFE particles can form a lubricating film, enhancing load capacity and lubrication performance.
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/
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