Since the advent of NdFeB permanent magnet materials in the 1980s, they have been widely used in various fields such as automobiles, wind power, aerospace, and military industries with excellent magnetic properties. In recent years, the demand for wind power generation and new energy vehicles has b ...

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As the name suggests, sintered NdFeB is an alloy material based on Nd2Fe14B, which is composed of three elements: Nd, Fe and B. However, sintered NdFeB is not single-phase, which is composed of Nd2Fe14B phase, B-rich phase (Nd1.1Fe4B4 phase) and nd rich phase (rare earth rich phase), in which ...

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Since the advent of NdFeB permanent magnet material, it has attracted much attention for its superior magnetic properties. It is called the “magnet king”. With the continuous growth of market demand, the production process and magnet performance of NdFeB have also been continuously deve ...

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China produces a lot of NdFeB wastes every year, and these wastes contain a lot of valuable elements such as rare earths. The recycling of NdFeB waste materials will help improve China’s rare earth resource shortage, environmental pollution and resource waste. The green recycling of NdFeB ...

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Sintered NdFeB permanent magnet materials have excellent performance and are widely used in automobiles, home appliances, wind power, consumer electronics and other fields. They are currently the most important type of permanent magnet materials on the market. In recent years, with the vigorous dev ...

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The performance stability of permanent magnet material is an important index of permanent magnet material. The stability mainly refers to the process of magnetic properties change under the influence of internal and external factors after the magnet is magnetized, which is usually expressed by th ...

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Sintered neodymium iron boron permanent magnetic material products should provide the technical magnetic parameters of the product, including remanence Br, magnetic induction coercive force Hcb, intrinsic coercive force Hcj, magnetic energy product (BH)m, demagnetization curve squareness and BH Dem ...

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The application of sintered neodymium iron boron permanent magnet is mainly to use its magnetic properties, but due to the different use environment and conditions, in addition to the requirements of magnetic properties, there are also requirements for mechanical properties and chemical properties. ...

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Sintered NdFeB permanent magnets, as one of the important materials to promote contemporary technology and social progress, are widely used in the following fields: computer hard disks, nuclear magnetic resonance imaging, electric vehicles, wind power generation, industrial permanent magnet motors, ...

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Neodymium iron boron magnets are important parts of many manufacturing products, such as motors, horns, detection instruments, etc. Users generally have certain requirements for the dimensional tolerance and shape tolerance of neodymium iron boron, because the unqualified product size will cause ne ...

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What is passivation? Passivation refers to a process in which the metal is oxidized by a strong oxidant or electrochemical method to make the surface inactive, that is, passivation. It is a method to transform the metal surface into a state that is not easy to be oxidized and delay the corrosi ...

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What is parylene? Parylene is prepared by a unique vacuum vapor deposition process. A fully conformal polymer film coating is “grown” on the surface of the substrate from active small molecules, which has performance advantages that other coatings cannot match. It can be applied to ...

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