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I put 2 parallel silicon steel sheets between magnetic field as below:

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As silicon steel has much bigger permeability than air,magnetic line will go through 2 silicon steel sheets.

What I can do to reduce magnetic field between these 2 silicon steel sheets?

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  • $\begingroup$ What you mean by "reduce"? $\endgroup$
    – Markoul11
    Commented May 23, 2022 at 11:33
  • $\begingroup$ @Markoul11,'reduce' means decrease,attenuate,even remove.For example,reduce 100ut to 10ut. $\endgroup$
    – kittygirl
    Commented May 27, 2022 at 3:49

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The best currently material for magnetostatic shielding of strong magnetic fields (high saturation value needed) is Giron:

Mu-metal material although it has a better magnetic permeability has however a relative small saturation value thus is suitable only for small magnetic field strength, less than one Gauss (i.e. μΤ magnetic field).

For fields one Gauss (i.e. 10 Gauss=1mT) and above go with giron.

For μΤ fields go for mu-metal.

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  • $\begingroup$ Giron is not affordable as for high price,I choose silicon steel to shield magnetic filed. $\endgroup$
    – kittygirl
    Commented May 27, 2022 at 9:46
  • $\begingroup$ Any mechanism to reduce magnetic field when I have only silicon steel?That's what I ask. $\endgroup$
    – kittygirl
    Commented May 27, 2022 at 9:47

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