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Chemical Composition Of NdFeB

NdFeB permanent magnet materials are intermetallic compounds RE2FE14B based permanent magnet materials. The main component of a rare earth (Re), iron (Fe), boron (B). Wherein the rare earth ND usable portion in order to obtain different properties of dysprosium (Dy), praseodymium (Pr) and other rare earth metal substitute, can also be iron, cobalt (Co), the other metal portion of the aluminum (Al), etc. Alternatively, the boron content is small, but the but then a tetragonal crystal structure is formed between the metal compound plays an important role in making the compound having a high saturation magnetization, high uniaxial anisotropy and high Curie temperature. 

The third generation of rare earth permanent magnet NdFeB magnets are the strongest contemporary performance permanent magnet, its main raw materials are rare earth metal neodymium 29% -32.5% elemental iron 63.95-68.65% non-metallic elements add a small amount of boron 1.1-1.2% dysprosium 0.6-1.2% 0.3-0.5% Al 0.3-0.5% niobium 0.05-0.15% copper and other elements.


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