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3 method to convert from ferro to parra ?

  1. Apr 10, 2010 #1
    3 method to convert from ferro to parra ?

    Efforts:
    1st:
    when magnetization remain constant and temperature increases then the magnet will convert from ferro to parra because its field strength decreases.
    example:
    the temperature of iron is 770k if it increases from 770k the iron will be converted to parra.

    2nd:
    when temperature is zero and magnetization increases to its maximum.
    example: ?

    Question:
    3rd:
    what is the third one?

    how a magnet could be converted to parra with both magnetization and temperature involving ?
     
    Last edited: Apr 10, 2010
  2. jcsd
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