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首页> 外文期刊>Nanomaterials >Synergistic Effect of MoS 2 and SiO 2 Nanoparticles as Lubricant Additives for Magnesium Alloy–Steel Contacts
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Synergistic Effect of MoS 2 and SiO 2 Nanoparticles as Lubricant Additives for Magnesium Alloy–Steel Contacts

机译：MoS 2和SiO 2纳米颗粒作为镁合金-钢触点润滑剂添加剂的协同效应

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The tribological performances of the SiO 2 /MoS 2 hybrids as lubricant additives were explored by a reciprocating ball-on-flat tribometer for AZ31 magnesium alloy/AISI 52100 bearing steel pairs. The results demonstrated that the introduction of SiO 2 /MoS 2 hybrids into the base oil exhibited a significant reduction in the friction coefficient and wear volume as well as an increase in load bearing capacity, which was better than the testing results of the SiO 2 or MoS 2 nanolubricants. Specifically, the addition of 0.1 wt % nano-SiO 2 mixed with 1.0 wt % nano-MoS 2 into the base oil reduced the friction coefficient by 21.8% and the wear volume by 8.6% compared to the 1.0 wt % MoS 2 nanolubricants. The excellent lubrication behaviors of the SiO 2 /MoS 2 hybrid nanolubricants can be explained by the micro-cooperation of different nanoparticles with disparate morphology and lubrication mechanisms.
机译：通过往复式球上摩擦计对AZ31镁合金/ AISI 52100轴承钢对，研究了SiO 2 / MoS 2杂化物作为润滑剂添加剂的摩擦学性能。结果表明，在基础油中引入SiO 2 / MoS 2杂化物表现出摩擦系数和磨损量的显着降低以及承载能力的提高，这比SiO 2或MoS 2的测试结果更好。 MoS 2纳米润滑剂。具体地，与1.0重量％的MoS 2纳米润滑剂相比，向基础油中添加与1.0重量％的纳米MoS 2混合的0.1重量％的纳米SiO 2降低了摩擦系数21.8％和磨损量8.6％。 SiO 2 / MoS 2杂化纳米润滑剂的优异润滑性能可以通过具有不同形态和润滑机理的不同纳米颗粒的微配合来解释。

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