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Precipitation hardening

  1. Mar 25, 2012 #1
    how are microstructures of alloys different when slowly cooled and precipitation hardened?
     
  2. jcsd
  3. Mar 25, 2012 #2

    Astronuc

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    Staff: Mentor

    Usually, a slowly cooled structure has a coarse microstructure - larger grains and larger/coarser precipitates. If one wants a fine microstructure and fine, dispersed precipitates, then one must quench below the transition temperature/threshold.

    Then one can anneal at a lower temperature.
     
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