Influence of electric double layer on thin film lubrication and elastohydrodynamic lubrication

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作者：
HUANG Ping
Patrick LIN Wong
MENG Yonggang Mechatronic Engineering Department South China University of Technology Guangzhou China Manufacturing and Management Department City University of Hong Kong Hongkong China State Key Laboratory of Tribology Tsinghua University Beijing China [1 ,510640 ,2 ,3 ,100084 ]
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Science in China,SerA. | 2001年 / Ser.A.2001(S1)卷 / S1期
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摘要：
<正> In the present paper, the influence of electric double layer (EDL) on thin film lubricationand elastohydrodynamic lubrication is studied. With modified Reynolds equation for electric doublelayer, the effect of zeta-potential on the film thickness and pressure is numerically calculated. Theresults show that the influence of electric double layer on the lubrication film thickness is significantonly for thin film. The minimum film thickness will increase greatly if the influence of EDL is con-sidered. As the initial film thickness increases, the effect will greatly decrease. The existence ofEDL will decrease the friction coefficient of the lubrication film. Furthermore, the above tendency isstill applicable even if the materials of the friction pair are different.
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页码：70 / 77
页数：8
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