earth permanent magnet, from an alloy of neodymium, iron andboron to form the Nd2Fe14B tetragonal crystalline structure. Developed in 1982 by General Motors and Sumitomo Special Metals, neodymium magnets are the strongest type of permanent magnet commercially available. They are an essential part of a modern society and widely used in electric motors, loudspeakers and different type of sensors.
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Br And (BH)Max High,. Corrosion Resistance Is Poor, Generally Need To Coating, And The Temperature Coefficient Is Big.
Bonded NdFeB Magnet can be magnetized via any direction. Multi poles or even countless poles can be realized in bonded NdFeB.