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      Combined effect of the use of carbon fiber and seawater and the molecular structure on the tribological behavior of polymer materials

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          Abstract

          The combined effect of the use of carbon fiber and seawater and the molecular structure on the tribological behavior of various polymer materials under natural seawater lubrication was investigated. After the investigation, the wear morphology of the contact surface was observed by a laser scanning confocal microscope, and the texture of the wear scars and tracks were presented in 3D profiles. Moreover, the mechanism of mixed lubrication and wear resistance was analyzed. The results demonstrated that the friction coefficient of carbon fiber-reinforced polyetheretherketone (CFRPEEK) is the lowest and fluctuates at approximately 0.11. Moreover, the seven polymer materials in ascending order of friction coefficients are CFRPEEK, carbon fiber-reinforced polyamide-imide, polytetrafluoroethylene, polyoxymethylene, polyetheretherketone (PEEK), acrylonitrile butadiene styrene resin, and glass fiber–epoxy resin. More critically, the simultaneous incorporation of deposition, polymeric scrap, hydrophilic groups, and seawater resulted in a decrease in the friction and wear of polymer materials under seawater lubrication. This observation implies that a synergistic friction-reducing and wear-resistant effect exists between carbon fiber, seawater, and the molecular structure of PEEK. As a result, a highly effective polymer material was discovered, CFRPEEK, which has the lowest friction coefficient of 0.11 and lowest wear rate of 2 × 10 –5 mm 3·(N·m) −1 among the polymer materials; this validates the selection of dual friction pairs for seawater hydraulic components.

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          Most cited references 38

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          Molecular mechanisms of aqueous boundary lubrication by mucinous glycoproteins

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            Comparative investigation on the tribological behaviors of CF/PEEK composites under sea water lubrication

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              Water-Lubricated Ni-Based Composite (Ni–Al2O3, Ni–SiC and Ni–ZrO2) Thin Film Coatings for Industrial Applications

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                Author and article information

                Journal
                Tsinghua Science and Technology
                Friction
                Tsinghua University Press (Xueyuan Building, Tsinghua University, Beijing 100084, China )
                2223-7690
                05 June 2018
                : 06
                : 02
                : 183-194 (pp. )
                Affiliations
                [ 1 ] School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
                [ 2 ] State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310058, China
                [ 3 ] College of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
                Author notes
                * Corresponding author: Zhiqiang WANG, E-mail: wangzq@ 123456hdu.edu.cn

                Zhiqiang WANG. He received his PhD degree from Yanshan University, China, in 2014. He joined School of Mechanical Engineering at Hangzhou Dianzi University from 2014. His current position is a lecturer of the school. His research interests include lubrication mechanism and friction and wear of seawater hydraulic motor. He has participated in numerous research projects like “the National Natural Science Foundation of China”, “the National Natural Science Foundation of Zhejiang Province”, “the Foundation of State Key Laboratory of Fluid Power and Mechatronic Systems”, and a few cooperative businesses projects. He has published more than sixteen papers in international and Chinese journals during the past three years.

                Jing NI. He received his PhD degree in 2006 from Zhejiang University. He joined School of Mechanical Engineering at Hangzhou Dianzi University from 2006. His current position is a professor and the deputy director of the School. His work has focused primarily on machine tool and surface engineering. He successively presided over and participated in numerous research projects such as “the National Natural Science Foundation of China”, “the National Natural Science Foundation of Zhejiang Province”, and a few cooperative businesses projects. He has published more than 30 papers in Chinese academic journals, international journals, as well as international conferences. Moreover, he has been authorized fifteen national invention patents.

                Dianrong GAO. He received his PhD degree in 2001 from Yanshan University. His current position is a professor of Yanshan University. During this period, he was invited to visit Louisiana State University as a senior visiting scholar in 2003. Then, he was invited to visit Abdus Salam International Centre for Theoretical Physics (ICTP) as a senior visiting scholar in 2014. He is a member of Chinese Mechanical Engineering Society, Chinese Society of Theoretical and Applied Mechanics, and Fluid Power Transmission and Control of China. His research areas of interest include CFD, PIV and new types of fluid components and devices, and anti- wear and self lubrication. He successively presided and participated in numerous research projects like the National Basic Research Program of China (973), the National Natural Science Foundation of China, and few cooperative businesses projects. He has published more than 130 papers on Chinese academic journals, international journals, as well as international conferences. Moreover, he has been authorized twenty national invention patents.

                Article
                2223-7690-06-02-183
                10.1007/s40544-017-0164-8

                This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Page count
                Figures: 9, Tables: 3, References: 41, Pages: 12
                Categories
                Research Article

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