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MoS2 nanowires as additives of PFPE for enhanced tribological properties under high vacuum
Journal of Physics and Chemistry of Solids ( IF 4.3 ) Pub Date : 2021-05-15 , DOI: 10.1016/j.jpcs.2021.110172
Kaifeng Zhang , Lixia Huo , Junqin Duan , Xiaoying Lu , Xuehu Men , Cailing Xu , Hui Zhou

The morphology of additives has strong effects on the tribological performance of lubricant. In this work, molybdenum disulfide (MoS2) nanowires (NWs) prepared by electrospinning method are used as an additive in perfluoropolyether (PFPE) base oil for the first time. The influence of MoS2 NWs on the tribological properties of PFPE oil is evaluated using a four-ball tester. The results show that PFPE oil containing 1.0 wt% MoS2 NWs exhibits significant improvements in reducing friction and anti-wear properties with the minimal friction coefficient (0.11) and wear scar diameter (452 μm) under high vacuum due to the unique NW morphology and good dispersion of MoS2 NWs in PFPE.



中文翻译:

MoS 2纳米线作为PFPE的添加剂,可在高真空下增强摩擦学性能

添加剂的形态对润滑剂的摩擦学性能有很大的影响。在这项工作中,通过静电纺丝法制备的二硫化钼(MoS 2)纳米线(NWs)首次用作全氟聚醚(PFPE)基础油中的添加剂。使用四球测试仪评估MoS 2 NWs对PFPE油的摩擦学性能的影响。结果表明,由于独特的NW形貌和化学性质,含有1.0 wt%MoS 2 NWs的PFPE油在降低摩擦和抗磨性能方面具有显着改善,在高真空下具有最小的摩擦系数(0.11)和磨损痕迹直径(452μm)。 MoS 2 NW在PFPE中的良好分散。

更新日期:2021-05-26
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