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What is the difference between ndfeb magnets and ferrite magnet? _ ndfeb strong magnet manufacturers

by:Newland     2020-04-04
Ndfeb magnets and the difference between the ferrite magnet mainly include the following: 1. Ferrite magnet performance ndfeb. 2. Ferrite low price, high temperature resistant, not easy oxidation, magnetic deviation. Summary of the price is higher, low temperature resistance, easy oxidation but magnetic strength. 3. Ndfeb magnet heat resistance is very good, ordinary ndfeb usually only 80 degrees, more than the working temperature of demagnetization will happen. 4. Stability of ferrite is very good, it itself is oxide, is stable, ndfeb alloy, and its easy oxidation, coating protection must do. 5. Ferrite volume is bigger, transport problems, slow speed of products before shipment. Ndfeb smaller, transportation is convenient, fast delivery. 6. Ndfeb is mainly used in printing and packaging, electronics, electrical appliances, mining equipment, etc. The main use in large machinery ferrite. Ndfeb magnet blank production tools and performance testing tools: a melting furnace, jilt belt furnace, a broken machine, jet mill, pressing molding machine, vacuum packaging machine, such as static pressure machine, sintering furnace, vacuum heat treatment furnace, magnetic tester, gauss meter. Ndfeb magnetic material, as the latest result of the development of rare earth permanent magnet materials, because of their excellent magnetic known as & other; The king of magnetic & throughout; 。 Ndfeb magnetic material is neodymium, an alloy of iron oxide, etc. Also called magnetic steel. Ndfeb has a very high magnetic energy product and JiaoLi, at the same time, the advantages of high energy density makes the ndfeb permanent magnet material in modern industry and the wide application of electronic technology, so that the instruments and meters, electronic motor, the miniaturization of magnetization of the magnetic separation equipment, thin become possible. Ndfeb has the advantage of good mechanical properties; Lack of Curie temperature in low point, temperature characteristic is poor, and is easy to be pulverization corrosion, must through the adjust its chemical composition and take surface treatment methods to improve, to reach the requirements of practical application. The advantage of ndfeb is cost-effective, good mechanical properties; Lack of Curie temperature in low point, temperature characteristic is poor, and is easy to be pulverization corrosion, must through the adjust its chemical composition and take surface treatment methods to improve, to reach the requirements of practical application. Ferrite is a ferromagnetic metal oxide. In terms of electrical characteristics, the resistivity of ferrite magnetic material is much bigger than metals and alloys, but also high dielectric properties. Ferrite magnetic can also performance in high frequency with high magnetic permeability. Therefore, ferrite has become a high-frequency weak current widely used in the field of magnetic material, not of metal. Ndfeb belongs to the third generation of rare earth permanent magnet materials with the characteristics of small volume, light weight and strong magnetic, is currently the best price-performance magnets, the magnetic field is known as the king of magnetic. The advantages of high energy density of nd-fe-b materials in modern industry and obtained widespread application in electronic technology. Under the conditions of bare magnetic, magnetic force can reach about 3500 gauss. Ferrite or as a ferrite magnetic porcelain, is belong to nonmetallic magnetic materials, magnetic ferric oxide and other one or more metal oxide compound oxide ( Or is ferrite) 。 Magnetic usually is 800 - 1000 gauss, often used in the speakers, speakers and other devices.
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