| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Properties of Carbon Nanotubes/Graphene Conductive Silicone Grease |
| WU Lining1, XIA Yanqiu1, WU Hao1, CHEN Zhongshan1, CAO Ya'nan1,2, HOU Chong3
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1 School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
2 School of Mechanical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China
3 State Grid Beijing Fangshan Electeic Power Company, Beijing 102400, China |
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Abstract Conductive silicon grease was prepared by using polytetrafluoroethylene as thickening agent, polydimethylsiloxane as base oil,different contents of carbon nanotubes and graphene as additive. The dropping point, volume resistivity and tribological behaviors of silicone grease were evaluated by using a SYP4110-I grease wide temperature range dropping point tester, a GEST-121 volume surface resistance tester and a MFT-R4000 reciprocating friction and wear tester, respectively. The results show that both additives can improve the dropping point, conductivity and tribological behaviors of the silicone grease. When the mass fraction addition of the additive is 0.2%, more excellent anti-wear and anti-friction effects can be obtained. XPS analysis results show that the friction protection film which formed on the metal surface is the fundermental reason for raising the anti-wear and anti-friction ability of the friction pair.
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Published: 23 March 2021
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| Fund:Fundamental Research Funds for the Central Universities (2019QN039). |
About author:: Lining Wu received his M.S. degree in April 2013 from North China Electric Power University in engineering. From September 2017, he studied for the doctor's degree of engineering in North China Electric Power University, focusing on the research of machinery and engineering, condition monitoring and fault diagnosis, surface engineering technology, preparation and characte-ristics of conductive grease.
Yanqiu Xia is a professor and doctoral supervisor of School of Energy Power and Mechanical Engineering in North China Electric Power University, focusing on the research of friction characteristics of lubricating oil and additives, lubrication principle and technology of mechanical equipment, preparation and lubrication characteristics of functional materials, lubrication and monitoring of equipment. |
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2021, Vol. 35 
