Synopsis Nd-Fe-B permanent magnet is the most excellent permanent magnet at present. For the permanent magnet with excellent parameters, high cost performance and the best comprehensive quality, the use of sintered NdFeB magnet can greatly reduce the use of magnetic materials, reduce the v ...

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NdFeB magnets can be divided into bonded NdFeB magnets and sintered NdFeB magnets. Bonding is actually injection molding, while sintering is vacuum molding through high temperature heating. NdFeB magnet is the most powerful permanent magnet so far. The material grade is N35-N52; various shapes can ...

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Rare Earth (RE) is a group of 17 metal elements formed by Group III (SC, Y) and lanthanum (La-Lu). Rare earth elements are usually divided into two groups, namely cerium group (light rare earth) and yttrium group (heavy rare earth). Rare earth elements show very similar properties, that is, they ge ...

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In this paper, two main phases (Nd, The heat treatment process, microstructure and coercivity of TbF3 sintered with Dy) – Fe-B sintered magnets were studied. The optimal primary and secondary heat treatment temperature of TbF3 sintered with Dy) – Fe-B sintered magnets were 900 ͍ ...

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Rare earth permanent magnet material is an indispensable part of today’s human society. It has been playing an important role in production and life since it came out in the 1960s. With the progress of science and technology and the improvement of living standards, people put forward high ...

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As one of the key strategic materials with the most resource characteristics in china, rare earth functional materials support a new generation of information technology, aerospace and modern weapons and equipment, advanced rail transit, energy-saving and new energy vehicles, high-performance medic ...

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Neodymium iron boron magnet and samarium magnet are two important rare earth permanent magnet materials. With the rapid development of new energy vehicles, wind power generation, electronic equipment, medical equipment, aviation industry, national defense and war, permanent magnet motor and other i ...

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The excellent magnetic properties of sintered NdFeB promote the development of miniaturization and high energy efficiency of permanent magnet synchronous motor. However, the reverse magnetic field, abnormal temperature rise and mechanical vibration in the working environment may lead to irrever ...

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The corrosion mechanism and four kinds of surface protection technologies of NdFeB permanent magnet materials were introduced, including electroplating, electroless plating, organic coating and composite coating. The current application status and problems of these four kinds of surface protect ...

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Since the beginning of the 21st century, the energy problem has become the core topic of global concern, and building a resource-saving and environment-friendly society has become the trend of globalization. This paper analyzes the current situation and development trend of rare earth permanent ...

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Rare earth permanent magnetic material is a kind of special material with high performance, which is widely used in electronic technology and communication products. From digital cameras, computer hard disk, to automobile, motor and other equipment, rare earth permanent magnetic material can be ...

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The application of rare earth permanent magnetic materials has become increasingly widespread, and has become an important symbol of the development level of modern civilized society, and has played an important supporting role in the successful implementation of “Made in China 2025”. A ...

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