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Question regarding Rolling process

  1. Feb 23, 2013 #1
    In a rolling process, the state of stress of the material undergoing deformation is
    a) pure compression
    b) pure shear
    c) compression and shear
    d) tension and shear

    Which one is the correct option ? Please explain why !
     
  2. jcsd
  3. Feb 23, 2013 #2

    mfb

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    Is this homework?
    What do you think about the problem?
     
  4. Feb 23, 2013 #3
    No.. Its from my entrance exam.. According to me it should be compression and shear.. so ?
     
  5. Feb 23, 2013 #4

    mfb

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    In general, I would expect all 3, depending on the system.
    Compression: Sure, we have gravity
    Shear: With friction
    Tension: At sufficient velocity, at the outer parts (to keep them attached to the rolling object).
     
  6. Feb 23, 2013 #5
    Thanks ! Kinda got an answer ;)
     
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