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What is rare earth permanent magnet material?
Latest company news about What is rare earth permanent magnet material?

    Rare earth permanent magnet materials, that is, permanent magnet materials contain rare earth metals as alloying elements. Permanent magnet material refers to the magnetic field that can be maintained for a long time by removing the external magnetic field after magnetization.

    Rare earth permanent magnets are divided into: samarium cobalt (SmCo) permanent magnets and neodymium iron boron (NdFeB) permanent magnets. Among them, the magnetic energy product of SmCo magnet is between 15-30MGOe, and the magnetic energy product of NdFeB magnet is between 27-50MGOe. Although samarium cobalt permanent magnets have excellent magnetic properties, they contain rare rare earth metal samarium and cobalt, a scarce and expensive strategic metal cobalt. Therefore, its development has been greatly restricted.

    The development of my country's rare earth permanent magnet industry began in the late 1960s. The leading product at that time was samarium-cobalt permanent magnets. The world's sales volume of samarium-cobalt permanent magnets was 630 tons, and my country's was 90.5 tons (including SmCo magnetic powder), mainly used in military industry. Technology.

Pub Time : 2022-07-27 10:19:17 >> News list
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