A combination technology of the solid lubricant and the laser surface texturing (LST) can significantly improve the tribological properties of friction pairs. The plate sample was textured by fiber laser and composite lubricant of polyimide (PI) and molybdenum disulfide (MoS2) powders were filled in the microdimples. Sliding friction performances of micron-sized composite lubricant and nano-sized composite lubricant were investigated by ring-plate tribometer at temperatures ranging from room temperature (RT) to 400 °C. On the one hand, the results of the micron-sized composite lubricant show that the friction coefficient of the textured surface filled with composite lubricant (TS) exhibits the lowest level and the highest stability compared to a textured surface without solid lubrication, smooth surface without lubrication, smooth surface burnished with a layer of composite solid lubricant. The better dimple density range is 35–46%. The friction coefficients of the sample surface filled with micron-composite solid lubricant with the texture density of 35% are maintained at a low level (about 0.1) at temperatures ranging from RT to 300 °C. On the other hand, the results of the nano-sized composite lubricant show that these friction properties are better than those of MoS2-PI micron-sized composite. The friction coefficients of MoS2-PI-CNTs nano-sized composite solid lubricant are lower than those of the MoS2-PI composite lubricant at temperatures ranging from RT to 400 °C. In addition, the possible mechanisms involving the synergetic effect of the surface texture and the solid lubricant are discussed in the present work.
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July 2016
Research-Article
Tribological Properties of Laser Microtextured Surface Bonded With Composite Solid Lubricant at High Temperature
Xijun Hua,
Xijun Hua
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
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Jianguo Sun,
Jianguo Sun
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
e-mail: 15751010096@163.com
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
e-mail: 15751010096@163.com
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Peiyun Zhang,
Peiyun Zhang
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Search for other works by this author on:
Kai Liu,
Kai Liu
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
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Rong Wang,
Rong Wang
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
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Jinghu Ji,
Jinghu Ji
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
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Yonghong Fu
Yonghong Fu
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Search for other works by this author on:
Xijun Hua
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jianguo Sun
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
e-mail: 15751010096@163.com
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
e-mail: 15751010096@163.com
Peiyun Zhang
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Kai Liu
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Rong Wang
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jinghu Ji
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Yonghong Fu
School of Mechanical Engineering,
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
Jiangsu University,
Zhenjiang, Jiangsu 212013, China
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received July 14, 2015; final manuscript received January 15, 2016; published online April 25, 2016. Assoc. Editor: Daniel Nélias.
J. Tribol. Jul 2016, 138(3): 031302 (11 pages)
Published Online: April 25, 2016
Article history
Received:
July 14, 2015
Revised:
January 15, 2016
Citation
Hua, X., Sun, J., Zhang, P., Liu, K., Wang, R., Ji, J., and Fu, Y. (April 25, 2016). "Tribological Properties of Laser Microtextured Surface Bonded With Composite Solid Lubricant at High Temperature." ASME. J. Tribol. July 2016; 138(3): 031302. https://doi.org/10.1115/1.4032522
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