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NdFeB Magnet

Neodymium Iron Boron Magnet (NdFeB magnet) is mainly formed by Neodymium, iron, and boron. It is the most powerful permanent magnet. Its (BH)max value is 5-12 times of ferrite magnets and 3-10 times of AlNiCo magnets; Its hcj has 5-10 times of ferrite magnets and 5-15 times of AlNiCo magnets. Its potential magnetism is so high that it can lift up to 640 times its own weight. NdFeB is divided into two kinds of sintered NdFeB andbonded NdFeB. Bonded Ndfeb in all directions are magnetic, corrosion resistant; And sintered Ndfeb because of easy corrosion, the surface needs coating. Generally, the common coating is NiCuNi, Znic, Epoxy. And sintered Ndfeb generally axial magnetization and diameter magnetization, according to the required working face to determine.  

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Characteristics:
①Strong pull force
②The strongest magnetic properties
③easy to process
④Corrosion resistance after surface coating
⑤wide application

Applications:
①Aeronautics and astronautics  
②Electronics  
③Mechanical hardware  
④Wind power generation  
⑤Medical instruments  
⑥Automobile industry  
⑦Industrial automation  
⑧others  

Production process:   
whisking or melting →hydrogen breaking →powdering →pressing →vacuum sintering →grinding →slicing 

→electroplating →magnetizing → packaging & shipping


Coating

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Magnetic property: