Ndfeb permanent magnetic materials can be divided into bonded ndfeb permanent magnetic materials and sintered ndfeb permanent magnetic materials. Neodymium-iron-boron magnet has the characteristics of small size, light weight and strong magnetism, which is the best magnet with the best performance-to-price ratio so far. The main raw materials for the production of ndfeb magnets are neodymium, pure iron, ferroboron alloys and other additives.
super strong neodymium magnets N52 made in China
Ndfeb is generally divided into sintered ndfeb and bonded ndfeb, what are the differences between these two, they have the
essential difference from the process, bond magnet is injection molding, and sintering miscellaneous high temperature heating
Sintered ndfeb permanent magnets are made by powder metallurgy process.The main processes are smelting, powder making, forming orientation, sintering, mechanical processing, surface treatment and so on.The control of oxygen content is an important index to measure the technological level.
So what factors can affect the magnetic properties of ndfeb, usually temperature and humidity.Both the instantaneous maximum
temperature and the continuous high temperature may cause the magnet to be demagnetized;The higher the humidity, the more
susceptible the magnet is to corrosion. To improve the service life of the magnet, it must be kept in a dry environment.
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