21 September 2007 The role of nanodiamonds in the polishing zone during magnetorheological finishing (MRF)
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Abstract
In this work we discuss the role that nanodiamond abrasives play in magnetorheological finishing. We hypothesize that, as the nanodiamond MR fluid is introduced to the magnetic field, the micron sized spherical carbonyl iron (CI) particles are pulled down towards the rotating wheel, leaving a thin layer of nanodiamonds at the surface of the stiffened MR fluid ribbon. Our experimental results shown here support this hypothesis. We also show that surface roughness values inside MRF spots show a strong correlation with the near surface mechanical properties of the glass substrates and with drag force.
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Jessica E. DeGroote, Anne E. Marino, John P. Wilson, Amy L. Bishop, Stephen D. Jacobs, "The role of nanodiamonds in the polishing zone during magnetorheological finishing (MRF)", Proc. SPIE 6671, Optical Manufacturing and Testing VII, 66710Z (21 September 2007); doi: 10.1117/12.731233; https://doi.org/10.1117/12.731233
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