以硅烷偶联剂KH-570为表面改性剂,采用机械球磨法制备了不同粒径的锑纳米颗粒.将不同粒径的锑纳米颗粒添加到900SN基础油中作为试验润滑油.通过测试润滑油的吸光度考察了锑纳米颗粒在润滑油中的分散稳定性;利用往复式摩擦实验研究锑纳米颗粒作为润滑油添加剂的摩擦学性能.研究结果表明:表面改性的锑纳米颗粒由于具有空间位阻效应,表现出良好的分散性.粒径越小,分散性越好;由于锑纳米颗粒可填补到磨损表面的微坑处,其在900SN润滑油中具有优良的减摩润滑效果.粒径越小,其对磨损表面的修复效果越好.当锑纳米颗粒粒径为40 nm时,其在试验润滑油中具有很好的分散性,并表现出优异的减摩抗磨性能.
参考文献
| [1] | 杨广彬;柴单淘;熊秀娟;张晟卯;余来贵;张平余.表面修饰Cu纳米微粒的制备及摩擦学性能[J].中国有色金属学报（英文版）,2012(2):366-372. |
| [2] | 刘谦;徐滨士;许一;史佩京.摩擦磨损自修复润滑油添加剂研究进展[J].润滑与密封,2006(2):150-154. |
| [3] | De-Xing Peng;Yuan Kang;Shih-Kang Chen;Fu-Chun Shu;Yeon-Pun Chang.Dispersion and tribological properties of liquid paraffin with added aluminum nanoparticles[J].Industrial Lubrication and Tribology,20106(6):341-348. |
| [4] | 邓晓臣;罗江山;唐永建;李凯;韩尚君;张洪亮.纳米铜粉在无水乙醇中的分散稳定性[J].中国粉体技术,2010(3):54-57. |
| [5] | 薛茹君;吴玉程.硅烷偶联剂表面修饰纳米氧化铝[J].应用化学,2007(11):1236-1239. |
| [6] | Lin Yu;Lin Zhang;Fei Ye;Ming Sun;Xiaoling Cheng;Guiqiang Diao.Preparation and tribological properties of surface-modified nano-Y_2O_3 as additive in liquid paraffin[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2012:655-659. |
| [7] | Xiaoyun Song;Shaohua Zheng;Jun Zhang;Wei Li;Qiang Chen;Bingqiang Cao.Synthesis of monodispersed ZnAl_2O_4 nanoparticles and their tribology properties as lubricant additives[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,201212(12):4305-4310. |
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