A novel eco-friendly water lubricant based on in situ synthesized water-soluble graphitic carbon nitride | |
Department | 固体润滑国家重点实验室(LSL) |
Zhang Ligang(张利刚)1; Guo Yuexia(郭月霞)1; Xu Huanfei2; Li Guitao(李贵涛)1; Zhao Fuyan(赵福燕)1; Zhang Ga(张嘎)1,3 | |
The second department | 先进润滑与防护材料研究发展中心 |
2021 | |
Source Publication | Chemical Engineering Journal |
Issue | 420Pages:129891 |
Abstract | Development of high-performance water lubricants in replacement of conventional oil lubricants is of great significance for protecting our environment and ecology. Water-soluble graphitic carbon nitride (g-C3N4) materials (WS-CN) were synthesized in situ by a one-pot green hydrothermal method in deionized (DI) water. For the first time, roles of as-synthesized WS-CN and ionic liquid (IL) grafted WS-CN (IL@WS-CN) as water lubricants on lubrication performance were investigated. Our results demonstrated that even rather small amount of WS-CN, e. g. 0.5 wt%, played an excellent lubrication effect. More interestingly, a striking synergy between IL and WS-CN on friction and wear-reduction was identified. In comparison to lubricating with DI water, IL@WS-CN dispersion reduced the wear by one order of magnitude and decreased the friction by up to 71%. Nanostructures of the friction interface were explored for shedding light on lubrication mechanisms. It was disclosed that WS-CN precipitating at the friction interface improved the load-carrying capability, and particularly triggered growth of a robust tribofilm, greatly improving the boundary lubrication effect. WS-CN opens up a new opportunity for developing mass-producible, low-costing and sufficient-stable water lubricants. |
Keyword | Water-soluble g-C3N4 Eco-friendly lubricant Water lubricant Ionic liquid Synergy |
DOI | https://doi.org/10.1016/j.cej.2021.129891 |
If | 13.273 |
Language | 英语 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/28068 |
Collection | 固体润滑国家重点实验室(LSL) 中国科学院材料磨损与防护重点实验室/先进润滑与防护材料研究发展中心 青岛研发中心/青岛市资源化学与新材料研究中心 |
Corresponding Author | Zhang Ga(张嘎) |
Affiliation | 1.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China 2.College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China 3.Qingdao Center of Resource Chemistry & New Materials, Qingdao 266071, China |
Recommended Citation GB/T 7714 | Zhang Ligang,Guo Yuexia,Xu Huanfei,et al. A novel eco-friendly water lubricant based on in situ synthesized water-soluble graphitic carbon nitride[J]. Chemical Engineering Journal,2021(420):129891. |
APA | Zhang Ligang,Guo Yuexia,Xu Huanfei,Li Guitao,Zhao Fuyan,&Zhang Ga.(2021).A novel eco-friendly water lubricant based on in situ synthesized water-soluble graphitic carbon nitride.Chemical Engineering Journal(420),129891. |
MLA | Zhang Ligang,et al."A novel eco-friendly water lubricant based on in situ synthesized water-soluble graphitic carbon nitride".Chemical Engineering Journal .420(2021):129891. |
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