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Materials - Modulus of polymer and metal

  1. Apr 9, 2014 #1
    1. The problem statement, all variables and given/known data

    Why is there such a large difference between the elastic moduli of metals and polymers?

    2. Relevant equations

    3. The attempt at a solution

    I am thinking because of the different bonding between metals and polymers. Since metals have metallic bonding and polymers have different bonding (Covalent or Hydrogen bond? I am so sure about this) which is much weaker than metallic bonding, so it is much easier to stretch polymers.

    Is this correct?

    Thank you!
  2. jcsd
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