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Characteristics And Application Of Permanent Magnets

Permanent magnets (permanent magnets), permanent magnets, can be natural products, also known as natural magnets, can also be manufactured (the strongest magnet is neodymium iron boron magnet). With a wide hysteresis loop, high coercivity, high remanence, once magnetized, it can sustain a constant magnetic material. Also known as permanent magnetic materials, hard magnetic materials. In application, the eternal magnet work in the second quadrant demagnetization part of intense magnetic saturation and magnetized Reynolds loop. Permanent magnets should have as high coercivity Hc, remanence Br and maximum magnetic energy product (BH) m as possible to ensure maximum magnetic energy storage and stable magnetism.

Permanent magnets
are commonly used in various fields such as ironic electronics, electrical, mechanical, transportation, medical and daily necessities. For example, the permanent magnet of loudspeaker and telephone receiver; the magnetic system of magnetoelectricity meter; the magnetic pole of generator and permanent magnet motor; the permanent magnet devices (such as permanent magnet chuck of plane grinder) and magnetic suspension system and magnetic bearing used in machine manufacturing industry; magnetic separation system, magnetic separation system, magnetic purifying water system, magnetron, proton addition system. The magnetic system of the speeder, etc.
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