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	Friction Properties of OTS SAMs and Silicon Surface under Water Lubrication
	Wang Xin ; Zhang Xiangjun ; Ahmed, Imad ; Liu Ying ; Wen Shizhu
	2010-10-12 ; 2010-10-12
关键词	silicon surface OTS SAMs water lubrication friction wear SELF-ASSEMBLED MONOLAYERS FORCE MICROSCOPY ADHESION CONTACT MICA Materials Science, Multidisciplinary
中文摘要	The friction and wear properties of silicon surface covered with octadecyltrichlorosilane (OTS) self-assembled monolayers (SAMs) were investigated by a UMT-2 microtribometer with and without water as lubricant, and then compared with that of bare silicon surface. Dry friction measurement results show that OTS SAMs have a very low friction coefficient compared to bare silicon surface under lower sliding velocity and normal contact load. However, heavy wear occurs oil OTS SAMs under higher contact stress and sliding velocity. Under water lubrication, OTS SAMs can prevent wear obviously and meanwhile present low coefficient of friction even under high velocities. The improved frictional and anti-wear property on OTS SAMs surface is attributed to the hydrophobic property of OTS and hydrodynamic effect of water. Furthermore, a wear critical phase diagram for OTS SAMs with and without water was proposed, which indicates that OTS SAMs working under water lubrication owns a wider range of available load and velocity to reduce friction and prevent wear.
语种	英语 ; 英语
出版者	JOURNAL WUHAN UNIV TECHNOLOGY ; WUHAN ; WUHAN UNIV TECHNOLOGY, WUHAN 430070, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80339]
专题	清华大学
推荐引用方式 GB/T 7714	Wang Xin,Zhang Xiangjun,Ahmed, Imad,et al. Friction Properties of OTS SAMs and Silicon Surface under Water Lubrication[J],2010, 2010.
APA	Wang Xin,Zhang Xiangjun,Ahmed, Imad,Liu Ying,&Wen Shizhu.(2010).Friction Properties of OTS SAMs and Silicon Surface under Water Lubrication..
MLA	Wang Xin,et al."Friction Properties of OTS SAMs and Silicon Surface under Water Lubrication".(2010).

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