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Abstract
A new optical EHD machine is described which allows traction to be applied while measuring the film thickness. A range of 13 pure fluids with well characterized physical properties was studied. A convenient way of plotting friction coefficient f against slide/roll ratio Σ was found to be log (1 - f/fmax)˜Σ as linear plots are achieved. The value of the peak friction coefficient fmax varied between 0.011 and 0.09. The glass transition temperature gave the best correlation with this, though not a very satisfactory one, and the pressure viscosity coefficient was next best.
Presented at an American Society of Lubrication Engineer paper at the ASLE/ASME Lubrication Conference held in Montreal, Canada, October 8–10, 1974
Notes
Presented at an American Society of Lubrication Engineer paper at the ASLE/ASME Lubrication Conference held in Montreal, Canada, October 8–10, 1974
