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Determine the Fe-C Equilibrium Diagram

  1. Sep 11, 2008 #1
    Any equations or methods to plot Fe-C equi. diag?
    Thx!
     
  2. jcsd
  3. Sep 11, 2008 #2

    Mapes

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    Hi tututu87, welcome to PF. Are you referring to the iron-carbon phase diagram? If so, there are two strategies: experimental (vary the temperature and the amount of C in Fe and determine the microstructure at each combination) and theoretical (simulate atomic interactions to identify the lowest-energy configuration).

    Fortunately, the importance of steel has motivated decades of research (mostly experimental) in these areas, culminating in an Fe-C phase diagram that you can just look up in the literature.

    A caveat: the most frequently used Fe-C phase diagram is a pseudo-equilibrium (or metastable) phase diagram, containing a phase (cementite) that will eventually decompose, albeit slowly. Will a little extra effort, you can find the true equilibrium diagram.
     
  4. Sep 11, 2008 #3
    thx!
    Really appreciate it!
     
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