| 二硫化钨纳米粉体作为锂基润滑脂添加剂的摩擦学研究 |
| |
| 引用本文： | 陈汉林,陈国需,杜鹏飞,杨皛,邵毅,田忠利.二硫化钨纳米粉体作为锂基润滑脂添加剂的摩擦学研究[J].摩擦学学报,2015,35(6):651-657. |
| |
| 作者姓名： | 陈汉林 陈国需 杜鹏飞 杨皛 邵毅 田忠利 |
| |
| 作者单位： | 后勤工程学院 军事油料应用与管理工程系, 重庆 401311;后勤工程学院 军事油料应用与管理工程系, 重庆 401311;后勤工程学院 军事油料应用与管理工程系, 重庆 401311;后勤工程学院 军事油料应用与管理工程系, 重庆 401311;后勤工程学院 军事油料应用与管理工程系, 重庆 401311;中国石化润滑油有限公司 重庆分公司, 重庆 400039 |
| |
| 基金项目： | 重庆市博士后基金(Rc201355, Xm201318)资助. |
| |
| 摘 要： | 制备了二硫化钨纳米粉体作为添加剂的锂基润滑脂,采用SRV-Ⅳ摩擦磨损试验机考察了二硫化钨对锂基润滑脂摩擦学性能的影响,利用扫描电子显微镜(SEM)、能量色散X射线光谱仪(EDAX)、X射线光电子能谱仪(XPS)对磨损表面的微观形貌、元素含量和价态进行了表征,分析了其润滑机理.结果表明:二硫化钨纳米粉体能够显著提高锂基润滑脂的摩擦学性能.摩擦过程中,二硫化钨纳米粉体在摩擦副表面产生吸附沉积,并在高温高负荷条件下生成含有Fe_2O_3、FeSO_4、WO_3和Fe_3O_4的化学反应膜,从而共同产生润滑作用.
|
| 关 键 词： | 二硫化钨纳米粉体 锂基润滑脂 摩擦学性能 润滑机理 |
Tribology of Nano-Tungsten Disulfide Powder as an Lubricating Additive for Lithium Grease |
| |
| CHEN Han-lin,CHEN Guo-xu,DU Peng-fei,YANG Xiao,SHAO Yi and TIAN Zhong-li.Tribology of Nano-Tungsten Disulfide Powder as an Lubricating Additive for Lithium Grease[J].Tribology,2015,35(6):651-657. |
| |
| Authors: | CHEN Han-lin CHEN Guo-xu DU Peng-fei YANG Xiao SHAO Yi and TIAN Zhong-li |
| |
| Institution: | Department of Petrochemisty, Logistical Engineering University, Chongqing 401311, China;Department of Petrochemisty, Logistical Engineering University, Chongqing 401311, China;Department of Petrochemisty, Logistical Engineering University, Chongqing 401311, China;Department of Petrochemisty, Logistical Engineering University, Chongqing 401311, China;Department of Petrochemisty, Logistical Engineering University, Chongqing 401311, China;Chongqing Branch, Sinopec Lubricant Co Ltd, Chongqing 400039, China |
| |
| Abstract: | Lithium grease with nano-tungsten disulfide as lubricating additive was prepared in this study. The optimal SRV- tribometer was employed to investigate the influence of nano-tungsten disulfide powder on the tribological properties of lithium grease. The micro-morphology, chemical composition and chemical state of worn surface were characterized by using scanning electron microscope, energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. And the lubricating mechanism was analyzed. The results show that the tribological performances of lithium grease were greatly improved by adding nano-tungsten disulfide powder. In the friction process, adhesion and deposition of the nano-tungsten disulfide powder on the tribo-surface gave birth to the tribo-chemical film composed of Fe2O3, FeSO4, WO3 and Fe3O4 at high local temperature and heavy load. The good tribological performance was contributed by the tribo-chemical film. |
| |
| Keywords: | nano-tungsten disulfide powder lithium grease tribological properties lubrication mechanism |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《摩擦学学报》浏览原始摘要信息 |
| 点击此处可从《摩擦学学报》下载免费的PDF全文 |
|
