高分散稳定纳米金刚石润滑油的制备及其摩擦学性能

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李川，吴凯，吴波，凤维民，胡献国*

合肥工业大学机械工程学院，安徽合肥 230009

收稿日期:2018-12-04修回日期:2019-01-15出版日期:2019-08-22发布日期:2019-08-15
通讯作者:胡献国

基金资助:国家自然科学基金资助项目 (U1302274);安徽省科技重大专项资助项目

Synthesis and tribological properties of lubricant oil with highly dispersed and stable nanodiamond

Chuan LI, Kai WU, Bo WU, Weimin FENG, Xianguo HU*

School of Mechanical Engineering, Hefei University of Technology, Hefei, Anhui 230009, China

Received:2018-12-04Revised:2019-01-15Online:2019-08-22Published:2019-08-15

Supported by:Projects (U1302274) supported by the National Science Foundation of China

摘要/Abstract

摘要： 为了改善纳米金刚石颗粒(NDPs)在抗磨液压油(AHO)中的分散性，制备了酸氧化?高温热处理的NDPs (T-NDPs)，将其与添加剂(油胺、聚异丁烯丁二酰亚胺T154和高碱值合成磺酸钙T106)混合后加入AHO中，制得含T-NDPs的AHO。用FESEM及Zeta电位仪、FT-IR和静态沉降法对其分散性进行表征，用四球摩擦磨损试验机、3D激光扫描显微镜和SEM/EDS对含T-NDPs的AHO的摩擦学性能和磨痕区域进行了分析。结果表明，酸氧化?高温热处理后，NDPs的平均粒径从270.2 nm降至153.5 nm，吸附添加剂后的T-NDPs的平均粒径为101.5 nm，添加剂可提高T-NDPs的油溶性并抑制其团聚，因而含T-NDPs的AHO具有良好的分散稳定性；T-NDPs含量为0.04wt%时，AHO的摩擦系数和磨斑直径比不加T-NDPs时分别降低13.2%和17.8%；T-NDPs作为润滑添加剂的减摩抗磨功效归因于其在摩擦界面起到支撑和滚动轴承的作用及在摩擦副表面参与润滑膜形成。

引用本文

李川吴凯吴波凤维民胡献国. 高分散稳定纳米金刚石润滑油的制备及其摩擦学性能[J]. 过程工程学报, 2019, 19(4): 809-816.
Chuan LI Kai WU Bo WU Weimin FENG Xianguo HU. Synthesis and tribological properties of lubricant oil with highly dispersed and stable nanodiamond[J]. Chin. J. Process Eng., 2019, 19(4): 809-816.

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