Abstract
The finishing mechanism of the ball end Magnetorheological finishing (BEMRF) process mainly depends on the stiffened hemispherical ball of Magnetorheological polishing (MRP) fluid formed at the tool tip. MRP fluid imparts strength to the polishing spot with the effect of magnetic field strength. Behaviour of this polishing fluid mainly depends on the size and shape of its constituents, volume concentration, particle size distribution and applied magnetic field strength. Rheological properties such as yield stress and viscosity of MRP fluid play a very important role while finishing the work piece surfaces. Evaluation of the behaviour of MR polishing fluid for silicon polishing was attempted through designing and fabrication of parallel plate magnetorheometer.
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