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Material of Sintered NdFeB magnet

Material of  Sintered NdFeB magnet
 
Sintered NdFeB magnet is made of intermetallic compound Nd2Fe14b. Nd2Fe14b consists of two rare earth atoms, one boron atom and 14 iron atoms. In addition to the main phase Nd2fe14b (in NdFeB materials), there are a small amount of rare earth rich phase (soil rich phase) and boron rich phase. The sintered Nd-Fe-B magnets have high coercivity due to the rich earth phase needle domain wall. At present, commercially available NdFeB magnets have many partially alloyed Nd and Fe substitution combinations, which lead to various properties. In addition, most magnets are anisotropic, which means they can be magnetized in the direction. The new magnet is the third generation rare earth magnet and the most advanced and powerful commercial magnet on the market today.
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