润滑油
摩擦学
热稳定性
吸附
X射线光电子能谱
触变性
材料科学
化学工程
复合材料
化学
有机化学
工程类
作者
Jiaying Zhang,Luyao Bao,Qiangliang Yu,Zhengfeng Ma,Rui Dong,Chaoyang Zhang,Yanyan Bai,Meirong Cai,Feng Zhou,Weimin Liu
标识
DOI:10.1016/j.triboint.2020.106777
摘要
A novel and simple method for the preparation of two-component gel lubricant and some evaluation of its physicochemical and lubricating properties are reported. The addition of two-component gelator including bis(2-ethylhexyl) sulfosuccinate and cholesterol to white oil can result in self-assembly to form a gel. The gelation mechanism was characterized by the combination of atomistic molecular dynamics simulation and experiment. It not only has excellent thermal stability, but also possesses thermal reversibility, creep recovery and thixotropic properties. Noticeably, the gel can significantly enhance lubricous and AW performances of base oil. Obtained by FIB-TEM, EDS, XPS and QCM characterization, we speculate that the gelator forms an effective adsorption and tribochemical reaction film, so it can protect the contact surface from being worn.
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