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김원우(Won-Woo Kim),김욱배(Wook-Bae Kim),최두선(Doo-Sun Choi) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
The MR fluid jet polishing system for the correction of surface profile and nano finish of ultraprecision parts is studied. When the stiffened MR fluid by external magnetic field is ejected from nozzle, very stable interface between jet and surrounding air with zero spray angle is shown. Due to such jet feature, constant and predictable material removal profile can be obtained. Experimentally, normal incidence of ceria-based MR fluid jet on glass produces very smooth and W-shaped removal profile which can be fitted by mathematical function which is used as tool function in deterministic polishing process.