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题名:
MoS2/WS2 Quantum Dots as High-Performance Lubricant Additive in Polyalkylene Glycol for Steel/Steel Contact at Elevated Temperature
作者: Wu XH(吴新虎)1,2; Gong KL(宫奎亮)1,3; Zhao GQ(赵改青)1,3; Lou WJ(娄文静)1,3; Wang XB(王晓波)1,3; Liu WM(刘维民)1
所属部门: 固体润滑国家重点实验室
第二所属部门: 青岛研发中心/青岛市资源化学与新材料研究中心
所属课题: 工业润滑研究组;空间润滑材料研究组
通讯作者: 娄文静
学科分类: 材料科学与物理化学
关键词: friction reduction and antiwear ; high-temperature lubricant ; lubricant additive ; MoS2/WS2 quantum dots
刊名: Advanced Materials Interfaces
DOI: 10.1002/admi.201700859
ISSN号: 2196-7350
发表日期: 2018
卷: 5, 期:1, 页:1700859(1-10)
收录类别: SCI
英文摘要:

Herein, molybdenum disulfide (MoS2) and tungsten disulfide (WS2) quantum dots (QDs) are prepared by a facile and green technique, and characterized by microscopy and spectroscopy. The resulting products display exceptional stability in polyalkylene glycol (PAG) base oil, and are used for the first time as friction reducing and antiwear additives in PAG for steel/steel contact. Tribological measurements indicate that the stable dispersion consisting of PAG mixed with MoS2/WS2 QDs exhibits significant tribological properties compared with pure PAG and PAG containing MoS2/WS2 QDs nanosheets under different loads at elevated temperatures. The excellent tribological behaviors of MoS2/WS2 QDs are attributed to the formation of a boundary lubrication film, which can be generated not only by the physical entrapment of MoS2/WS2 QDs at the ball-disk contact surfaces, but also by tribochemical reaction between MoS2/WS2 and the iron atoms/iron oxide species.

资助者: “973” Program (2013CB632301);the National Natural Science Foundation of China (NSFC 51475445;51775536)
语种: 英语
兰州化物所论文排名: 第一作者单位
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.licp.ac.cn/handle/362003/22853
Appears in Collections:固体润滑国家重点实验室_期刊论文
青岛研发中心/青岛市资源化学与新材料研究中心_期刊论文

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作者单位: 1.State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical Physics Chinese Academy of Sciences Lanzhou 730000, China
2.Lanzhou Institute of Chemical Physics University of Chinese Academy of Sciences Beijing 100049, China
3.Qingdao Center of Resource & New Materials Qingdao 266000, China

Recommended Citation:
Wu XH,Gong KL,Zhao GQ,et al. MoS2/WS2 Quantum Dots as High-Performance Lubricant Additive in Polyalkylene Glycol for Steel/Steel Contact at Elevated Temperature[J]. Advanced Materials Interfaces,2018-01-01,5(1):1700859(1-10).
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