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A Study on the Surface Finishing Technique using Electrorheological Fluid  

Park, Sung-Jun (Center for Nano Technology, Yonsei University)
Kim, Wook-Bae (School of Mechanical Engineering, Yonsei University)
Lee, Sang-Jo (School of Mechanical Engineering, Yonsei University)
Publication Information
International Journal of Precision Engineering and Manufacturing / v.5, no.2, 2004 , pp. 32-38 More about this Journal
Abstract
The electrorheological(ER) fluid has been used to the ultraprecision polishing of single crystal silicon as new polishing slurry whose properties such as yield stress and particle structure changed with the application of an electric field. In this work, it is aimed to find the effective parameters in the ER fluid on material removal in the polishing system whose structure is similar to that of the simple hydrodynamic bearing. The generated pressure in the gap between a moving wall and a workpiece, as well as the electric field-induced stress of the mixture of ER fluid-abrasives, is evaluated experimentally, and their influence on the polishing of single crystal silicon is analyzed. Moreover, the behavior of abrasive and ER particles is described.
Keywords
Electrorheological fluid; Surface finishing; Shear stress; Bingham lubrication; Hydrodynamic pressure;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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