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What are the absorbing materials?

Author:admin   AddTime:2021-03-29

According to the loss mechanism of absorbing materials, it can be roughly divided into the following categories:

1. Resistive loss
This kind of absorption mechanism is related to the resistive loss related to the conductivity of the material, that is, the greater the conductivity, the greater the macro current (including the current caused by the electric field change and the eddy current caused by the magnetic field change) caused by the carrier, which is beneficial to electromagnetic energy. Converted into heat energy.

2. Dielectric loss

It is a kind of dielectric loss absorption mechanism related to the electrode, that is, the electromagnetic energy is converted into heat and energy consumption is dissipated by the "friction" effect generated by the repeated polarization of the medium. The dielectric polarization process includes: electron cloud displacement polarization, polar dielectric moment turning polarization, electric ferrite domain turning polarization, and wall displacement.



3. Magnetic loss
This kind of absorption mechanism is a kind of magnetic loss related to the dynamic magnetization process of ferromagnetic medium. This kind of loss can be refined into: hysteresis loss, gyromagnetic eddy current, damping loss and magnetic aftereffect, etc. The main sources are and Magnetic domain turning, magnetic domain wall displacement, and natural resonance of magnetic domains with similar hysteresis mechanisms. In addition, the microwave loss mechanism of nanomaterials is a hot spot in the analysis of absorbing materials today.

Absorbing Material:https://www.goodsmaterial.com/

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