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The third generation of rare earth permanent magnet NdFeB is the most powerful permanent magnet in the contemporary magnet. Its potential high magnetic properties, can absorb the weight equivalent to a thousand times its own weight. The mechanical properties of neodymium-iron-boron magnets are better than those of other magnets, making them easier to cut and drill and complex shapes. The disadvantage is the poor temperature performance, the use of magnetic loss at high temperatures, the maximum operating temperature is lower. Generally80Celsius, after special treatment, the maximum working temperature up to200Celsius. As the material contains a lot of neodymium and iron, so easy to rust is also a major weakness. Therefore, NdFeB magnets must be surface coating. Electroless nickel(Ni),Zinc(Zn),gold(Au),chromium(Cr),Epoxy resin(Epoxy)
Update time：20181129102521
