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Grain boundary sliding in creep

  1. Aug 13, 2014 #1

    kelvin490

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    To prevent grain boundary sliding so that creep is less likely to occur, usually engineers would design components of larger grains or have columnar grain structure to prevent grain-boundary sliding. Why this two method can prevent grain-boundary sliding? For columnar grains, would they be more easy to slide against each other since the grains are parallel?
     
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  3. Aug 19, 2014 #2

    Greg Bernhardt

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    I'm sorry you are not finding help at the moment. Is there any additional information you can share with us?
     
  4. Aug 20, 2014 #3

    kelvin490

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    I would like to know why grain boundary sliding can be prevented by columnar grain arrangement? what does it related to the mechanism of creep?
     
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