Carbon dots as an additive for improving performance in water-based lubricants for amorphous carbon (a-C) coatings
Department先进润滑与防护材料研究发展中心
Jinzhu Tang1; Shuqing Chen1; Yulong Jia1; Ying Ma1; , Hongmei Xie1; Xin Quan1; Qi Ding1
The second department特种油脂与密封材料课题组(605)
2020
Source PublicationCarbon
Issue156Pages:272-281
Abstract

As a new type of carbon material, carbon dots (CDs) with exceptional properties are regarded as a type of potential water-based lubricant additive. In this study, it is first demonstrated that CDs perform excellently when used as lubricant additives for water-lubricated amorphous carbon (a-C) contacts. The results show that the introduction of CDs into water at a concentration of 0.1 wt% could reduce friction and wear in a-C contacts by 33% and 80%, respectively. Additionally, the lubricating performance of CDs is highly sensitive to its adding concentration. The excellent tribological performance of CDs results from the minimized CDs sediment particles (deposited in situ on worn a-C surfaces) and the reduced friction and wear via nano-bearing and nano-filling mechanisms. With high CDs concentrations, however, micron and submicron-sized sediment particles form when friction occurs and cause undesirable abrasive wear. For water-lubricated a-C contacts, therefore, the CDs concentration is the crucial determinant of lubrication performance that has to be appropriately controlled.

MOST Discipline Catalogue工学::材料科学与工程(可授工学、理学学位)
DOI10.1016/j.carbon.2019.09.055
Indexed BySCI
If7.466
Language英语
compositor第二作者单位
Citation statistics
Cited Times:64[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/25581
Collection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
Corresponding AuthorJinzhu Tang; Xin Quan; Qi Ding
Affiliation1.a College of Materials Science and Engineering, Yangtze Normal University, Chongqing, 408100, China
2.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
3.Qingdao Center of Resource Chemistry and New Materials, Qingdao, China
Recommended Citation
GB/T 7714
Jinzhu Tang,Shuqing Chen,Yulong Jia,et al. Carbon dots as an additive for improving performance in water-based lubricants for amorphous carbon (a-C) coatings[J]. Carbon,2020(156):272-281.
APA Jinzhu Tang.,Shuqing Chen.,Yulong Jia.,Ying Ma.,, Hongmei Xie.,...&Qi Ding.(2020).Carbon dots as an additive for improving performance in water-based lubricants for amorphous carbon (a-C) coatings.Carbon(156),272-281.
MLA Jinzhu Tang,et al."Carbon dots as an additive for improving performance in water-based lubricants for amorphous carbon (a-C) coatings".Carbon .156(2020):272-281.
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