Tribological Properties of Mo/MoS2-Pb-PbS Composite Films in Vacuum Environments

doi:10.3969/j.issn.1004-132X.2022.12.009

China Mechanical Engineering ›› 2022, Vol. 33 ›› Issue (12): 1477-1483.DOI: 10.3969/j.issn.1004-132X.2022.12.009

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Tribological Properties of Mo/MoS2-Pb-PbS Composite Films in Vacuum Environments

HAN Cuihong1,2,3;MA Guozheng4;LI Guolu1;SHI Jiadong1;WANG Haidou3，4

1.School of Materials Science and Engineering,Hebei University of Technology,Tianjin,300401
2.School of Mechanical Engineering,Tianjin University of Technology and Education,Tianjin,300222
3.National Engineering Research Center for Remanufacturing,Army Academy of Armored Forces,Beijing,100073
4.National Key Laboratory for Remanufacturing,Army Academy of Armored Forces,Beijing,100072

Online:2022-06-25 Published:2022-07-07

Mo/MoS2-Pb-PbS复合薄膜的真空摩擦学行为研究

韩翠红1,2,3;马国政4;李国禄1;石佳东1;王海斗3,4

1.河北工业大学材料科学与工程学院，天津，300401
2.天津职业技术师范大学机械工程学院，天津，300222
3.陆军装甲兵学院机械产品再制造国家工程研究中心，北京，100073
4.陆军装甲兵学院装备再制造技术国防科技重点实验室，北京，100072

通讯作者: 王海斗（通信作者），男，1969年生，教授、博士研究生导师。研究方向为装备再制造，表面工程。E-mail:whaidou2021@163.com。
作者简介:韩翠红，女，1981年生，博士研究生。研究方向为表面工程、摩擦磨损。E-mail:hanmutou@163.com。
基金资助:
国家自然科学基金（52105200,52122508,52130509）

Abstract

Abstract: The performance of lubricating films under harsh working conditions might be improved by multicomponent compounding.Composite process of “radio frequency magnetron sputtering + low-temperature ion sulfide” was adopted to deposit Mo/MoS2-Pb-PbS composite films on 9Cr18 bearing steels. Tribological properties of Mo/MoS2-Pb-PbS composite films were evaluated by MSTS-1 vacuum tribometer under different normal loads and sliding speeds at 8×10-5 Pa. The friction coefficient of the film decreases slowly with the increase of sliding rate, and the wear rate of the film gradually stabilized after running-in stage. With the increase of normal load, the friction coefficient of the film increases approximately parabolically, and the variation range is at the range of 0.03~0.24, and the wear scar width of the film surfaces also increases with the increase of load correspondingly.

Key words: Mo/MoS2-Pb-PbS, composite film, vacuum, wear, lubrication

摘要： 多组元复合是提高润滑薄膜苛刻工况下服役性能的有效方法。采用“射频磁控溅射+低温离子渗硫”复合工艺，在9Cr18轴承钢表面制备了Mo/MoS2-Pb-PbS复合固体润滑薄膜；利用自主研制的MSTS-1型多功能真空摩擦磨损试验机研究了8×10-5 Pa真空条件下法向载荷和滑动速率对Mo/MoS2-Pb-PbS复合薄膜摩擦学性能的影响。结果表明，在所设定的5种滑动速率下，Mo/MoS2-Pb-PbS薄膜的摩擦因数随滑动速率的增大而缓慢减小，磨损率经一定周次的跑合后逐渐趋于稳定；在不同的法向载荷下，随着载荷的增大，薄膜的摩擦因数呈近似抛物线增大，变化范围在0.03～0.24之间;薄膜表面的磨痕宽度同样随着载荷的增大而增大。

关键词: Mo/MoS2-Pb-PbS, 复合薄膜, 真空, 磨损, 润滑

CLC Number:

TG13

HAN Cuihong, MA Guozheng, LI Guolu, SHI Jiadong, WANG Haidou, . Tribological Properties of Mo/MoS2-Pb-PbS Composite Films in Vacuum Environments[J]. China Mechanical Engineering, 2022, 33(12): 1477-1483.

韩翠红, 马国政, 李国禄, 石佳东, 王海斗, . Mo/MoS2-Pb-PbS复合薄膜的真空摩擦学行为研究[J]. 中国机械工程, 2022, 33(12): 1477-1483.

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Tribological Properties of Mo/MoS2-Pb-PbS Composite Films in Vacuum Environments

Mo/MoS2-Pb-PbS复合薄膜的真空摩擦学行为研究

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