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Is ductility associated with the manifestation of yield phenomenon?

  1. Oct 12, 2008 #1
    Hi everybody, I have a doubt about a question on my future exam of Materials Science.

    Is ductility associated with the manifestation of yield phenomenon?

    * TRUE
    *FALSE

    I have doubts because I think I could answer this question in both ways... Any help will be more than welcome!
     
  2. jcsd
  3. Oct 13, 2008 #2

    Astronuc

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    Staff: Mentor

    Re: Ductility

    Well what is the nature of a brittle material.

    Ductile implies the ability of a material to deform without failure, i.e. the material can be stretch over a relatively large displacement without a flaw developing, particular one leading to failure/fracture.

    Think of the elastic deformation and plastic deformation, and the load-displacement or stress-strain curve.
     
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