Why we use v-notch in charpy impact test ?

  1. Aug 25, 2013 #1
    Why we use v-notch in charpy impact test ?
     
  2. jcsd
  3. Aug 25, 2013 #2

    Chronos

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    It's a ductility [or toughness] test. A simple hardness test is not representative of structural integrity as it only tests the surface. For heat treated metals, a v-notch test is more representative.
     
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