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Coefficients of friction

  1. Jul 7, 2014 #1
    Does anyone know the value of the coefficients of friction between the following surfaces? (I've searched all over internet and literature but cannot find them :( )

    1) Aluminium on concrete.

    2) Steel on concrete.

    3) Iron on concrete.

    Thanks a lot!
  2. jcsd
  3. Jul 7, 2014 #2


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  4. Jul 8, 2014 #3


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    I might be wrong but I suspect the difference between them is small compared to that due to the surface of the concrete (eg it is rough or smooth concrete will probably make more difference than is it aluminium or steel).
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