戴媛静,李小磊,凌燕丽,邹阳,张继平,张晨辉.非硫磷有机钼的摩擦学性能研究[J].表面技术,2020,49(9):35-44.
DAI Yuan-jing,LI Xiao-lei,LING Yan-li,ZOU Yang,ZHANG Ji-ping,ZHANG Chen-hui.Tribological Properties of Non-thiophosphorous Organic Molybdenum[J].Surface Technology,2020,49(9):35-44
非硫磷有机钼的摩擦学性能研究
Tribological Properties of Non-thiophosphorous Organic Molybdenum
投稿时间:2020-06-29  修订日期:2020-09-20
DOI:10.16490/j.cnki.issn.1001-3660.2020.09.003
中文关键词:  非硫磷有机钼  减摩抗磨  自修复  低黏度润滑油添加剂  添加量  使用温度
英文关键词:SPFMo  anti-friction and anti-wear  self-repairing  low viscosity lubricant additive  SPFMo content  operating temperature
基金项目:
作者单位
戴媛静 1.清华大学 摩擦学国家重点实验室,北京 100084;2.清华大学天津高端装备研究院 润滑技术研究所,天津 300300 
李小磊 1.清华大学 摩擦学国家重点实验室,北京 100084;2.清华大学天津高端装备研究院 润滑技术研究所,天津 300300 
凌燕丽 1.清华大学 摩擦学国家重点实验室,北京 100084 
邹阳 1.清华大学 摩擦学国家重点实验室,北京 100084 
张继平 1.清华大学 摩擦学国家重点实验室,北京 100084 
张晨辉 1.清华大学 摩擦学国家重点实验室,北京 100084;2.清华大学天津高端装备研究院 润滑技术研究所,天津 300300 
AuthorInstitution
DAI Yuan-jing 1.State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China; 2.Research Institute of Lubrication, Tianjin Research Institute for Advanced Equipment, Tsinghua University, Tianjin 300300, China 
LI Xiao-lei 1.State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China; 2.Research Institute of Lubrication, Tianjin Research Institute for Advanced Equipment, Tsinghua University, Tianjin 300300, China 
LING Yan-li 1.State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China 
ZOU Yang 1.State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China 
ZHANG Ji-ping 1.State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China 
ZHANG Chen-hui 1.State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China; 2.Research Institute of Lubrication, Tianjin Research Institute for Advanced Equipment, Tsinghua University, Tianjin 300300, China 
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中文摘要:
      目的 研究非硫磷有机钼的摩擦学性能,以满足发动机润滑油低黏度化发展的需求。方法 实验室合成了一种新型不含硫磷元素的油溶性有机钼添加剂(SPFMo),并将其按照不同质量分数添加到0W20润滑油中,利用四球摩擦磨损试验机,详细分析了不同SPFMo添加量、温度、载荷和速度对SPFMo在0W20中摩擦学性能的影响,并采用3D激光共聚焦显微镜和扫描电子显微镜对磨痕形貌和成分进行分析。 结果 SPFMo具有优异的减摩抗磨性能,可以使0W20的摩擦系数和磨斑直径均减小,摩擦过程中Mo元素会发生富集,生成包含MoS2、MoO3等物质的摩擦化学反应膜,从而实现减摩、抗磨和自修复。确定了SPFMo在0W20中可以发挥良好摩擦学性能的添加量和使用温度区间分别为0.25%~0.5%和100~130 ℃,120 ℃时,0.5%SPFMo能够使0W20润滑油的COF降低27.5%,磨斑直径降低7.8%。0W20+0.5%SPFMo润滑油的COF,随着温度的升高先减小后增大,随着转速的增大而减小,随着载荷的增大而增大;0W20+0.5%SPFMo润滑油的磨斑直径,随着温度的升高先减小后增大,随着转速和载荷的增大而增大。结论 SPFMo的添加可有效提高润滑油的摩擦学性能,研究结果可为新型发动机低黏油润滑添加剂的设计和选择提供参考。
英文摘要:
      The aims to research tribological properties of non-thiophosphorous organic molybdenum, in order to meet the demand of the development of low viscosity lubricating oil of engine, a new kind of sulfur- and phosphorus-free organic molybdenum (SPFMo) was synthesized and added into the lubricating oil 0W20. Moreover, the influence of SPFMo content, temperature, load and rotation speed on the tribological performance of 0W20 was studied in detail. The results show that the SPFMo shows good anti-friction and anti-wear performances, both the COF and wear diameter of 0W20 can be decreased. During the friction process, the Mo is enriched and has the function of lubrication, anti-wear and self-repairing. MoS2 and MoO3 are generated by tribochemical reaction, which is the main part of the lubricating film. The SPFMo content and temperature in which the SPFMo can show great tribological performance is 0.25wt%~0.5wt% and 100~130 ℃, respectively. When the temperature is 120 ℃, the COF and wear diameter can be decreased by 27.5% and 7.8% by the addition of 0.5% SPFMo. The COF of 0W20+0.5%SPFMo decreases firstly and then increases with the increase of temperature, decreases with the increase of rotation speed and friction load. The wear diameter of 0W20+0.5%SPFMo decreases firstly and then increases with the increase of temperature, increases with the increase of rotation speed and friction load. Finally, the results can be helpful for designing and selecting new additives of engine oil with high low viscosity.
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