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Friction Effects in Metalworking

  1. Apr 27, 2015 #1
    1. The problem statement, all variables and given/known data

    Show how a constant interfacial shear stress mk < k decreases the forces required for uniaxial upsetting using mohr circles with decreasing m (<1). Assume a slab force balance.

    2. Relevant equations

    Mohr Circle Equations

    x/dx = 2mk/h

    σx + P = 2k

    3. The attempt at a solution

    Attached. What I have shows what the question asks but I'm not sure I did it right.
     

    Attached Files:

  2. jcsd
  3. May 2, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
     
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