Description
Bonded neodymium iron boron, composed of Nd2Fe14B, is a synthetic magnet.
Bonded neodymium iron boron magnets are magnets made by mixing rapidly quenched NdFeB magnetic powder and binder through "compression molding" or "injection molding".
The size accuracy of bonded magnets is high, and they can be made into magnetic components with relatively complex shapes, and have characteristics such as one-time molding and multipole orientation.
Bonded neodymium iron boron has high mechanical strength and can be formed in one go with other supporting components during molding.
NdFeB bonded permanent magnet materials are made by adding NdFeB magnetic powder with adhesive. Since the successful development of this material in 1988, its development has been quite rapid and its production has doubled. As a high-performance permanent magnet material, it conforms to the trend of short, small, light, and thin development in contemporary electronic products.
The production and application development of bonded neodymium iron boron permanent magnet materials were relatively late, with limited application scope and small usage. They are mainly used in office automation equipment, electrical installation machinery, audio-visual equipment, instruments and meters, small motors and measuring machinery, as well as in mobile phones, CD-ROM, DVD-ROM drive motors, hard disk spindle motors HDD, other micro DC motors and automation instruments and meters. In recent years, the application proportion of bonded neodymium iron boron permanent magnet materials in China is 62% for computers, 7% for the electronics industry, 8% for office automation equipment, 7% for automobiles, 7% for appliances, and 9% for others.
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