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Variation of youngs modulus with temperature

  1. Oct 20, 2011 #1
    Does youngs modulus of elasticity depend upon temperature?
  2. jcsd
  3. Oct 20, 2011 #2
  4. Oct 21, 2011 #3
    But why??
  5. Oct 24, 2011 #4


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    Roughly, the force holding atoms together in bonds decreases as the bond length increases, which happens during thermal expansion. This force is the origin of the macro-scale elastic modulus.
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