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Shaft Material

  1. Nov 21, 2013 #1
    If iam using a magnetic material as a shaft. The rotating shaft in a magnetic field can cause the flow of current? resulting current flow in shaft?? please clarify me...
     
  2. jcsd
  3. Nov 21, 2013 #2

    NascentOxygen

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    Staff: Mentor

    The shaft doesn't need to be of a magnetic material, any material that conducts electricity will do. Unless your shaft is an odd shape, there should not be much to worry about. A long thin solid metal cylindrical shape spinning on its longitudinal axis won't have much circulating current. If the shaft were made of layers and strips of a conductor separated by an insulating material in a really strong field this might cause problem voltages and currents.

    Do you have an unusual application in mind?
     
  4. Nov 21, 2013 #3
    Thanks for your valuable reply. whatever you said is good but really i have a different thought please clear me what the major differences when i use the shaft materials as iron & Stainless steel.
     
  5. Nov 21, 2013 #4

    NascentOxygen

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    Staff: Mentor

    They would have quite different mechanical capabilities, but I can't imagine the electrical differences (if any) would be significant in this respect.

    Do you have an unusual application in mind?
     
  6. Nov 21, 2013 #5
    can i define iron as a magnetic material & ss as a non magnetic material ??? If so What about the leakage currents condition in shaft Materials of both magnetic & non magnetic materials???

    Please answer with patience dont think as foolish bcoz i m poor in this......
     
  7. Nov 21, 2013 #6

    NascentOxygen

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    Staff: Mentor

    Do you have a magnet you can test to see whether it attracts one of your kitchen SS knives?

    A shaft could be made of a non-magnetic material such as brass, or fibreglass.

    It seems that I'm not going to have my question answered?
     
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