| Effects of Nano-Particles on the Tribological and Thermal Properties of Piston Ring-Cylinder Liner |
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| 引用本文： | 刘小君 刘焜 焦明华 王伟 丁曙光. Effects of Nano-Particles on the Tribological and Thermal Properties of Piston Ring-Cylinder Liner[J]. 清华大学学报, 2004, 9(3): 286-289 |
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| 作者姓名： | 刘小君 刘焜 焦明华 王伟 丁曙光 |
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| 作者单位： | SchoolofMechanicalandAutomobileEngineering,HefeiUniversityofTechnology,Hefei230009,China |
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| 基金项目： | Supported by the National Natural Science Foundation of China (No. 50275046) |
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| 摘 要： | The effects of ultra-dispersed diamond (UDD) on the friction force, wear, and temperature of tribological pairs have been investigated. The experimental tests were carried out on a modified piston ringcylinder liner bench tester with different particle mass fractions of 0, 0.02%, and 0.10%. The results show that compared with a pure fluid, the mixture of the fluid and UDD not only reduces the friction and wear, but also reduces the bulk temperature of the specimen. The mechanism by which the UDD lubricant improves the tribological properties has some relationship with surface topography, because it can increase the bearing capability of surfaces.
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| 关 键 词： | 纳米粒子 摩擦学 热性质 活塞环 气缸衬垫 超分散金刚石 磨损 |
Effects of Nano-Particles on the Tribological and Thermal Properties of Piston Ring-Cylinder Liner |
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| LIU Xiaojun,LIU Kun ),JIAO Minghua WANG Wei,DING Shuguang ) School of Mechanical and Automobile Engineering,Hefei University of Technology,Hefei ,China. Effects of Nano-Particles on the Tribological and Thermal Properties of Piston Ring-Cylinder Liner[J]. Tsinghua Science and Technology, 2004, 9(3): 286-289 |
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| Authors: | LIU Xiaojun LIU Kun ) JIAO Minghua WANG Wei DING Shuguang ) School of Mechanical Automobile Engineering Hefei University of Technology Hefei China |
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| Affiliation: | LIU Xiaojun,LIU Kun )**,JIAO Minghua WANG Wei,DING Shuguang ) School of Mechanical and Automobile Engineering,Hefei University of Technology,Hefei 230009,China |
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| Abstract: | The effects of ultra-dispersed diamond (UDD) on the friction force, wear, and temperature of tri-bological pairs have been investigated. The experimental tests were carried out on a modified piston ring-cylinder liner bench tester with different particle mass fractions of 0, 0.02%, and 0.10%. The results show that compared with a pure fluid, the mixture of the fluid and UDD not only reduces the friction and wear, but also reduces the bulk temperature of the specimen. The mechanism by which the UDD lubricant improves the tribological properties has some relationship with surface topography, because it can increase the bearing capability of surfaces. |
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| Keywords: | ultra-dispersed diamond wear surface topography piston ring cylinder liner |
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