19 August 2005 New viscosity measurement for magnetorheological polishing fluid
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Abstract
In Magnetorheological Finishing (MRF) a magnetic field is applied to a stream of abrasive magnetorheological fluid, in order that the fluid behaves as the polishing tool. The process may be used to finish the surface of high quality optical lenses. The fluid viscosity is one important parameter the polishing tool characteristic depends on. At the University of Applied Sciences Deggendorf a new viscosity measurement, which uses the inductance of the fluid had been tested. The result of the research is a close relationship between viscosity and inductance. The new viscosity measurement is not an absolute, but a comparative system, based on inductance of the flowing fluid and the fluid age.
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Markus Schinhaerl, Markus Schinhaerl, Elmar Pitschke, Elmar Pitschke, Andreas Geiss, Andreas Geiss, Rolf Rascher, Rolf Rascher, Peter Sperber, Peter Sperber, Richard Stamp, Richard Stamp, Lyndon Smith, Lyndon Smith, Gordon Smith, Gordon Smith, } "New viscosity measurement for magnetorheological polishing fluid", Proc. SPIE 5869, Optical Manufacturing and Testing VI, 58690L (19 August 2005); doi: 10.1117/12.616690; https://doi.org/10.1117/12.616690
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