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What causes some materials to have upper and lower yield points?

  1. May 5, 2010 #1
    Hey,

    Just wondering how to explain the yield point run-off for low carbon steel. Why does LCS have an upper yield point, followed directly by a lower yield point?

    Thanks,

    -Spoon
     
  2. jcsd
  3. May 5, 2010 #2

    Mapes

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    Answered recently here.
     
  4. May 5, 2010 #3
    Thats what i thought ;)

    Thanks
     
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