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Influence of graphene/copper hybrid nanoparticle additives on tribological properties of solid cellulose lubricants
Surface & Coatings Technology ( IF 5.3 ) Pub Date : 2020-03-19 , DOI: 10.1016/j.surfcoat.2020.125655
Shih-Chen Shi , Shao-Zhe Jiang

As solid lubricant additives, graphene and copper nanostructures improve the tribological behavior. In this study, hybrid nanoparticles are synthesized for application in HPMC lubricating films. The synthesis mechanisms of the various synthetic parameters (growth temperature, growth time, and methane flow) on the growth of graphene on nanocopper particles and the effect on the quality after parameter modulation are discussed. Furthermore, the tribological properties of graphene/copper hybrid particles and HPMC prepared into composite solid lubricating coatings are investigated. The addition of hybrid particles to the solid lubricant effectively reduces the friction coefficient by 35% and the wear volume by at least 50%. The addition of hybrid particle additives and the changes in the tribological mechanism are discussed in detail, in addition.



中文翻译:

石墨烯/铜杂化纳米颗粒添加剂对固体纤维素润滑剂摩擦学性能的影响

作为固体润滑剂添加剂,石墨烯和铜纳米结构改善了摩擦性能。在这项研究中,杂化的纳米颗粒被合成用于HPMC润滑膜。讨论了各种合成参数(生长温度,生长时间和甲烷流量)的合成机理对石墨烯在纳米铜颗粒上的生长以及参数调制后对质量的影响。此外,研究了制备复合固体润滑涂层的石墨烯/铜杂化颗粒和HPMC的摩擦学性能。向固体润滑剂中添加杂化颗粒可有效地将摩擦系数降低35%,并将磨损量降低至少50%。此外,还详细讨论了混合颗粒添加剂的添加以及摩擦机理的变化。

更新日期:2020-03-19
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