Hard magnetic materials is ferrite materials which not easy demagnetization after the magnetization and will keep the magnetic characteristic for a long-term , also known as permanent magnetic material. The hard magnetic ferrite crystal structure are generally hexagonal stone-magnetic lead, is typical of barium ferrite BaFe. This material has better performance, lower cost, not only can be used as telecommunications devices such as audio, telephone and various instruments of the magnets, but in the medical, biological and printing show that such areas have been applied. Hard magnetic materials used to produce permanent magnets, the magnets of the speaker and the electronic circuit memory components and etc.
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Tags: neodymium magnets hard magnetic materials Smco magnets