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	The influences of methyl group at c2 position in imidazolium ring on tribological properties
	Zhang, Haobo1,2; Xia, Yanqiu1; Yao, Meihuan1,2; Jia, Zhengfeng1,2; Liu, Zhilu1,2
刊名	Tribology letters
	2009-11-01
卷号	36期号:2页码:105-111
关键词	Ionic liquids Additives Tribology High performance lubricant
ISSN号	1023-8883
DOI	10.1007/s11249-009-9465-z
通讯作者	Xia, yanqiu(xiayanqiu@yahoo.com)
英文摘要	Tribological properties of two kinds of imidazolium ionic liquids (ils) of 1,2-dimethyl-3-hexylimidazolium bis(trifluoromethylsulfonyl)imide (l-f116) and 1-dimethyl-3-hexylimidazolium bis(trifluoromethylsulfonyl)imide (l-f106) were evaluated as lubricant additives in poly(ethylene glycol) (peg) for the steel-steel sliding pair by using an optimol-srv oscillating friction and wear test at the room temperature. at the same time, their electrochemical corrosion behaviors were measured by tafel polarization. the morphologies of the worn surfaces were observed using a scanning electron microscope (sem). the chemical states of several typical elements on the worn surfaces were examined by means of x-ray photoelectron spectroscopy (xps). the results show that corrosion phenomena of peg containing ils on pure copper are negligible compared to peg at room temperature. the 2-substituted imidazolium il l-f116 shows excellent tribological performance and is superior to l-f106 in terms of anti-wear performance and load-carrying capacity. the worn surfaces were characterized to have slight abrasion and the xps results indicated the formation of tribochemical adsorption and chemical reaction films on the worn surfaces.
WOS关键词	TEMPERATURE IONIC LIQUIDS ; FLUORINE-CONTAINING OILS ; STEEL-ALUMINUM CONTACTS ; LUBRICANT ADDITIVES ; PERFORMANCE ; MECHANISM ; BEHAVIOR ; SYSTEM
WOS研究方向	Engineering
WOS类目	Engineering, Chemical ; Engineering, Mechanical
语种	英语
出版者	SPRINGER/PLENUM PUBLISHERS
WOS记录号	WOS:000270201600003
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2397912
专题	中国科学院大学
通讯作者	Xia, Yanqiu
作者单位	1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Haobo,Xia, Yanqiu,Yao, Meihuan,et al. The influences of methyl group at c2 position in imidazolium ring on tribological properties[J]. Tribology letters,2009,36(2):105-111.
APA	Zhang, Haobo,Xia, Yanqiu,Yao, Meihuan,Jia, Zhengfeng,&Liu, Zhilu.(2009).The influences of methyl group at c2 position in imidazolium ring on tribological properties.Tribology letters,36(2),105-111.
MLA	Zhang, Haobo,et al."The influences of methyl group at c2 position in imidazolium ring on tribological properties".Tribology letters 36.2(2009):105-111.

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