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Determination of coefficient of friction between two spherical particles

  1. Jan 22, 2010 #1
    I have some very small spherical particles with diameter of 1 mm and i would like to know coefficient of friction between them. Can anyone suggest an experiment/device that would help me?

    In order to get friction between a plate and particle i can use tilt test and measure the angle at which a group of connected particles slips.
  2. jcsd
  3. Feb 2, 2010 #2
    maybe glue a bunch on piece of paper then slide them down a plane made of that material , and use the tilt test like you said.
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