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Magnet vs Temperature

  1. Jun 24, 2014 #1
    What is the effect of temperature on a Magnet. I am not talking about curie temp. Just a higher temperature than room temp, say 150C.
    Magnetism will probably decrease due to heat. But what is the long term effect, say after a few months.
    Will the Magnet be back to its full power when bought back to room temp.
     
  2. jcsd
  3. Jun 24, 2014 #2

    CWatters

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    Depends on the material. Neodymium magnets are quite sensitive to heat. If you heat one to more than about 80C it will lose some of it's strength permanantly but the curie temperature is a lot higher, about 300C.
     
  4. Jun 25, 2014 #3
    The material is samarium–cobalt magnet. curie temp 800C.
    will the magnet continue to loose its property slowly or will it stabilize and hold after some period of time.
     
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