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Can the life of NdFeB magnet be increased by 2 times?
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Can the life of NdFeB magnet be increased by 2 times?

It is reported that the new technology of coating the surface of rare earth magnets with "nickel-copper-semi-bright nickel-bright nickel" as the plating layer has put on the "armor" of the NdFeB magnet. This technology can effectively improve the consistency and stability of rare earth magnet products, and the potential difference generated between semi-bright nickel and bright nickel can promote the surface of the magnet to change from longitudinal corrosion to lateral corrosion during the corrosion process, thereby improving the product The service life is increased by more than 2 times. In addition, ultrasonic cleaning is added to each process of the coating, which can effectively remove the surface impurities of the coating and reduce the thickness of the coating from 15 microns to 10 microns, making the product more refined and stronger. NdFeB permanent magnet material is a permanent magnet material based on the intermetallic compound Nd2Fe14B. It has excellent magnetic properties and is widely used in electronics, electric machinery, medical equipment, toys, packaging, hardware machinery, aerospace and other fields. Common ones are permanent magnet motors, speakers, magnetic separators, computer disk drives, magnetic resonance imaging equipment and meters. As we all know, the chemical properties of rare earth elements are relatively active. Without the surface coating technology, extending the rare earth terminal industry chain is just empty talk. Therefore, the industry has already condensed the consensus of "no high-end electroplating". It is reported that the new rare earth magnet surface coating technology not only significantly improves the corrosion resistance of neodymium iron boron magnets, but also saves 80% of labor costs compared with ordinary electroplating. In addition, the salt spray time of metal surface coating can be increased by 33.3%.
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