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纳米二硫化钼作为润滑油添加剂的摩擦学性能研究
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    摘要:

    研究纳米二硫化钼作为润滑油添加剂的摩擦学性能。以不同的表面活性剂和不同的超声波分散时间制备纳米二硫化钼润滑油,考察表面活性剂和超声波分散时间对纳米二硫化钼分散稳定性的影响。采用四球机和描电镜考察纳米二硫化钼在润滑油中的摩擦学性能。结果表明,2%油酸表面活性剂和超声波分散30 min可有效提高纳米二硫化钼在润滑油中的分散稳定性,纳米二硫化钼在润滑油中具有良好的抗磨性能、减摩性能,特别是0.01%二硫化钼在润滑油中的抗磨性能和高负荷下的减磨性能更为突出。

    Abstract:

    The tribological properties of nano-MoS2 as additive in lubricating oils were studied. The nano-MoS2 based lubricating oil was prepared by dispersing nano-MoS2 in the base oil with different surface modifier and at different ultrasonic dispersion time, and the effect on dispersion stability of nano-MoS2 by the different surface modifier and different ultrasonic dispersion time was investigated. The tribological properties of nano-MoS2 based lubricating oil were studied by Four-Ball Test Machine and SEM. The results show that nano-MoS2 has good dispersion stability in the base oil when with 2% oleic acid as surface modifier and at the ultrasonic dispersion time of 30 min. Nano-MoS2 as additive in lubricating oils has good property of anti-wear and friction reducing properties, especially for 0.01% nano-MoS2 based lubricating oil, which is best in anti wear and friction reducing property under high load.

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李 斌,谢 凤,张蒙蒙,李 磊.纳米二硫化钼作为润滑油添加剂的摩擦学性能研究[J].润滑与密封,2014,39(9):91-95.
.[J]. Lubrication Engineering,2014,39(9):91-95.

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  • 在线发布日期: 2014-11-25
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