A facile and effective method to improve the dispersibility of WS2 nanosheets in PAO8 for the tribological performances

被引：30
|
作者：
Zhang, Ruochong [1 ,2 ]
Qiao, Dan [1 ]
Liu, Xuqing [3 ]
Guo, Zhiguang [1 ,4 ]
Cai, Meirong [1 ]
Shi, Lei [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Gansu, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Univ Manchester, Sch Mat, Oxford Rd, Manchester M13 9PL, Lancs, England
[4] Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Minist Educ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Hubei, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2018年 / 118卷
基金：
中国国家自然科学基金;
关键词：
Dispersibility; WS2; nanosheets; Tribological performance; Lubricating mechanism; RAMAN-SPECTROSCOPY; NANOPARTICLES; FRICTION; BEHAVIOR; CARBON; IRON; LUBRICANTS; RESONANCE; SPECTRA; PROTEIN;
D O I：
10.1016/j.triboint.2017.09.012
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The sedimentation of WS2 nanosheets in PAO8 is resolved by a facile method with the immobilization function of 1-methyl-2, 4-bis (N-octadecylurea) benzene (MOB), and tribological performances and mechanism of the composite lubricant are systematically investigated. Compared with blank PAO8, the composite lubricants have excellent tribological performance, which is attributed to the synergistic effect of WS2 and MOB. The immobilization function of MOB because of the network structure prevents the agglomeration and sedimentation of WS2 nanosheets. The boundary films, including tribochemical reaction film and physical absorbing film are formed on the surfaces of the friction pair during the friction process.
引用
收藏
页码：60 / 70
页数：11
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