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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The corrosion sensitivity of sintered NdFeB permanent magnet materials limits its application in complex working conditions. Improving the corrosion resistance of magnets and developing excellent protective coatings are the key directions in the field of development. Although a lot of work has ...

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Today we mainly introduce rare earth and magnetic materials, mainly rare earth. Rare earth related topics are very broad. We will focus on magnetic materials to introduce why rare earth is important and its significance. Rare earth is an important strategic resource Rare earth is called “s ...

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With the promotion of national policies and the enhancement of people’s awareness of environmental protection, the popularity of new energy vehicles is gradually deepening. Of course, this situation is inseparable from the progress of new energy vehicle technology, one of which is new energy ...

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