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【 What is the difference between ferrite and ndfeb magnets.

by:Newland     2020-05-07
【 What is the difference between ferrite and ndfeb magnets. Ndfeb magnet strengths are good mechanical function and cost-effective. Defect is low Curie temperature, temperature characteristic is poor, is easy to be pulverization corrosion. It is necessary to adjust its chemical composition and processing to improve the appearance. In order to satisfied the requirements of actual use. Ferrite is a ferromagnetic metal oxide. In terms of electricity function, ferrite has high dielectric function, its resistivity is greater than the metal & emsp; The resistivity of alloy magnetic materials. Ferrite magnetic characteristics under high frequency also showed high permeability. Therefore, ferrite has become a widely used in high frequency weak current in the field of magnetic material, not of metal. Ndfeb is the third generation of rare earth permanent magnet materials, small size, for & emsp; It is light weight, strong magnetic. It is the best magnet has the best cost performance. It is called the king of the magnetic field of magnetic. The strengths of the high energy density makes the ndfeb permanent magnet materials widely used in modern industry and electronic technology. In the condition of the bare magnetic, magnetic force can reach about 3500 gauss. Ferrite, also known as iron oxide or magnetic porcelain, right and wrong, metal magnetic materials, and is a one or a combination of magnetic iron oxide and other metal oxide compound oxide ( Or is ferrite) 。 Magnetic force in general is 800 - 1000 gauss, commonly used in speaker, such as the speaker & emsp; The speaker. NdFeB magnets and ferrite magnets are as follows: the primary difference between ferrite magnet NdFeB is better than good. In terms of price, much cheaper than the ndfeb magnet ferrite. Ndfeb magnet magnet is heat-resistant, and as long as ordinary ndfeb magnet 80 degrees. Beyond the working temperature, demagnetization will occur. Stability of ferrite is very good, it is the oxide itself, is very stable, ndfeb magnet is alloy, easy oxidation & emsp; Coating maintenance is necessary. Strong magnets, magnets, magnet, magnet, ndfeb magnet, rare earth permanent magnets
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