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What are the advantages of absorbing materials and shielding materials?

Author:admin   AddTime:2020-07-16

This paper mainly explains the advantages of absorbing materials and shielding materials, mainly from their respective introduction and application.

1. Absorbing materials

1) Introduction of absorbing materials

Absorbing material is a kind of material which can absorb the electromagnetic wave energy projected on its surface. It can absorb electromagnetic wave by transforming the incident electromagnetic wave into heat energy or other energy forms through various loss mechanisms of materials.

2) Application of absorbing materials

In engineering application, in addition to high absorption rate of electromagnetic wave in a wide frequency band, it is also required to have the properties of light weight, temperature resistance, humidity resistance and corrosion resistance. The absorbing effect of absorbing materials is determined by various electromagnetic mechanisms in the medium, such as Debye relaxation, resonance absorption, interfacial relaxation, resonance relaxation of magnetic medium domain walls, electron diffusion and micro eddy current.

2. Shielding material

1) Introduction to shielding materials

It is a kind of material that can isolate the metal between two space areas to control the induction and radiation of electric field, magnetic field and electromagnetic wave from one area to another.

2) Application of shielding materials

Specifically, it is the material used to make shielding body. The shielding body surrounds the interference sources of components, circuits, assemblies, cables or the whole system to prevent the interference electromagnetic field from spreading outwards; the shielding body is used to surround the receiving circuit, equipment or system to prevent them from being affected by the external electromagnetic field.

Absorbing material: www.goodsmaterial.com

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