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research-article

Tribological properties of NBR/UHMWPE/Nano-MoS 2 water lubricated bearing material under low speed and heavy duty

[+] Author and Article Information
Kuang Fuming

Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education , Wuhan 430063, China; Reliability Engineering Institute, School of Energy and Power Engineering, Wuhan University of Technology, Wuhan, 430063, P. R. China
fmkuang@whut.edu.cn

Zhou Xincong

Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education , Wuhan 430063, China; Reliability Engineering Institute, School of Energy and Power Engineering, Wuhan University of Technology, Wuhan, 430063, P. R. China
13971020135@139.com

Huang Jian

Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education , Wuhan 430063, China; Reliability Engineering Institute, School of Energy and Power Engineering, Wuhan University of Technology, Wuhan, 430063, P. R. China
316738850@qq.com

Zhou Xiaoran

Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education , Wuhan 430063, China; Reliability Engineering Institute, School of Energy and Power Engineering, Wuhan University of Technology, Wuhan, 430063, P. R. China
18202748895@139.com

Wang Jun

Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education , Wuhan 430063, China; Reliability Engineering Institute, School of Energy and Power Engineering, Wuhan University of Technology, Wuhan, 430063, P. R. China
kuangfuming@126.com

1Corresponding author.

ASME doi:10.1115/1.4039930 History: Received July 07, 2017; Revised April 02, 2018

Abstract

The tribological properties of nitrile rubber(NBR)/ultra-high molecular weight polyethylene (UHMWPE)/nano-molybdenum disulfide (Nano-MoS 2 ) nanocomposites with various contents of Nano-MoS 2 were investigated using a marine stern tube bearing testing apparatus SSB-100V under low-speed and heavy duty conditions with water lubrication. Friction of coefficient (COF), wear rate and surface topographies were compared to anlyse the influence of Nano-MoS 2 and select the optimum Nano-MoS 2 content. The mechanical and physical properties of the rubber-plastic material met the requirements of the Chinese Ship standard CB/T769-2008 and U.S. military standard MIL-DTL-17901C(SH). The results showed that for the nanocomposites with a content of Nano-MoS 2 of 9 phr (parts by weight per hundred parts of rubber materials), exhibited good comprehensive friction and wear properties. It is believed that the knowledge gained from this study can form a theoretical foundation for the modification of rubber-plastic material.

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