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What are powerful magnets little common sense?

by:Newland     2020-04-09
Powerful magnet means can produce magnetic field of an object, or material, usually made of metal alloy, with strong magnetism. Traditionally can be divided into 'permanent magnet' and 'non permanent magnet'. Permanent magnet can be a natural product, also called lodestone, can also be made by artificial ( Strong magnet ndfeb magnet) 。 Non permanent magnet heated to a certain temperature will suddenly lose magnetism, this is due to the composition of many 'yuan magnets' magnet arrangement from order to disorder caused by; Lose magnetic magnet into the magnetic field, when the magnetization reaches a certain value, it is magnetized, 'yuan magnets' from disorderly to orderly arrangement. When the magnetization reaches a certain value, it is magnetized, 'yuan magnets' from disorderly to orderly arrangement. A: what are the factors influencing the ndfeb magnet demagnetization? A: what are the nature of the magnet?
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