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Poisson's ratio and its Range!

  1. Jan 2, 2010 #1
    v = [tex]\epsilon[/tex]trans/ [tex]\epsilon[/tex]axial

    where

    ν is the resulting Poisson's ratio,
    [tex]\epsilon[/tex]trans is transverse strain
    [tex]\epsilon[/tex]axial is axial strain
    and Poissions Ratio have range and its not more then 0.5 and not less then -1?

    so my queston is how its value can turn "-1"?

    As its already neative and its axial strain or transverse strain one must be negative so the value of Poissions Ratio will turn positive! what do you say!
     
  2. jcsd
  3. Jan 2, 2010 #2

    tiny-tim

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    Hi I_am_no1! :smile:

    These are auxetic materials … see http://en.wikipedia.org/wiki/Auxetic" [Broken] :wink:
     
    Last edited by a moderator: May 4, 2017
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