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How to shield the magnetic field? _ ndfeb strong magnet manufacturers

by:Newland     2020-04-06
How to shield the magnetic field? Generally we use the ordinary iron shielding the magnetic field. Magnetic shielding requires high permeability material, meet the requirements of the material is iron nickel alloy, this material has a high magnetic conductivity & ensp; Rate. When you need to shield the magnetic field is very strong, only use single layer shielding materials, is not short of shielding requirements, will happen is saturated. At this time, a method is to increase the thickness of the material. But more effective method is to use a combination of shielding, a shield on another screen, leave any wind gap between them. Inside the air gap can fill any non magnetic permeability material, such as aluminum. Composite shielding shielding effectiveness than single shield is much higher, so the composite shielding to magnetic field attenuation to very low levels.
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