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Special magnet magnetic materials species characteristics

by:Newland     2020-04-25
1. Permanent magnetic material: magnet magnetized thick except to still has strong magnetic field, alien species is characterized by high coercive force magnet magnetic materials and magnetic energy product. Can be divided into three categories, metal permanent magnet, powerful magnets example, aluminum nickel and cobalt, cobalt and rare earth rubidium iron boron, etc. Ferrite permanent magnet, cases, barium ferrite, strontium ferrite and other permanent magnet, such as plastic, etc. 2. Soft magnetic materials: easy magnetization and demagnetization of materials. Manganese zinc ferrite soft magnetic materials, its operating frequency in k - 1 Between 10 m. Nickel zinc ferrite soft magnetic materials, special-shaped magnet work frequency in 1 - in general 6 metal soft magnetic material: 300 MHZ compared with ferrite with high saturation magnetic induction intensity and low coercive force, such as pure iron, iron alloy, iron, cobalt alloy iron nickel alloy, etc. , often used in transformers, etc. 3. Ferromagnetic materials: refers to has a ferromagnetic material. Iron nickel, cobalt and their alloys, for example, some rare earth yuan electric magnet grain of the alloy. Below the Curie temperature, outside the magnet and magnetic abnormity material has great magnetization. 4. Ferrous magnetic material: refers to a ferrous magnetic materials, such as all kinds of ferrite, at a temperature below that at which Neil, plus external magnetic materials has great magnetization. Magnet, powerful magnets, magnet manufacturers, special-shaped magnet
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