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How to consider the specifications and types of magnets

When choosing NdFeB magnets, customers should choose the magnet trademark suitable for them according to their working temperature. If the working temperature is higher than the...

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Surface treatment of neodymium iron boron

With the unfreezing of patented technology for sintered neodymium iron boron in Japan, Germany, the European Union, and other countries, and the collaborative efforts of major sintering manufacturers in China, the grade of sintered neodymium iron boron products has significantly increased. As a high-tech application field, the continuous improvement of its comprehensive performance has also greatly increased the requirements for its surface treatment of sintered neodymium iron boron. Traditional treatment methods can no longer meet the requirements of industrial chain progress. Scientific research institutions such as University of Electronics, Sichuan University, Jiaotong University, and Ruishi Rice, etc, Starting from the micro molecular structure, the principle of surface treatment and the development of industrial application process have been improved in essence. After four years of efforts, breakthroughs have been made in key technologies. The nano (3010) chelating film is treate

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2023-07

Surface treatment of neodymium iron boron

With the unfreezing of patented technology for sintered neodymium iron boron in Japan, Germany, the European Union, and other countries, and the collaborative efforts of major sintering manufacturers in China, the grade of sintered neodymium iron boron products has significantly increased. As a high-tech application field, the continuous improvement of its comprehensive performance has also greatly increased the requirements for its surface treatment of sintered neodymium iron boron. Traditional treatment methods can no longer meet the requirements of industrial chain progress. Scientific research institutions such as University of Electronics, Sichuan University, Jiaotong University, and Ruishi Rice, etc, Starting from the micro molecular structure, the principle of surface treatment and the development of industrial application process have been improved in essence. After four years of efforts, breakthroughs have been made in key technologies. The nano (3010) chelating film is treate

21

2023-07

Introduction to Neodymium magnet

Neodymium magnet, also known as NdFeB magnet, is a Tetragonal crystal system crystal formed by Nd2Fe14B. In 1982, Sumitomo special metal Masato Sagawa discovered Neodymium magnet. The magnetic energy product (BHmax) of this magnet was larger than that of the Samarium–cobalt magnet, and it was the material with the largest magnetic energy product in the world at that time. Later, Sumitomo Special Metals successfully developed the powder metallurgy process, while General Motors successfully developed the melt spraying process, which can prepare neodymium iron boron magnets. This kind of magnet is a permanent magnet whose magnetism is second only to Absolute zero holmium magnet, and it is also the most commonly used Rare-earth magnet. Neodymium iron boron magnets are widely used in electronic products, such as hard drives, mobile phones, headphones, and battery powered tools.To avoid corrosion damage, it is necessary to perform protective treatment on the surface of permanent magnet mater

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2023-07

NdFeB

Neodymium magnet, also known as NdFeB magnet, is a Tetragonal crystal system crystal formed by neodymium, iron and boron (Nd2Fe14B), which is a kind of rare earth permanent magnetic material. Masato Sagawa of Sumitomo Special Metals Company discovered Neodymium magnet in 1982.The magnetic energy product (BHmax) of neodymium iron boron is larger than that of Samarium–cobalt magnet, and it was the material with the largest magnetic energy product in the world in 1982. Later, Sumitomo Special Metals successfully developed the powder metallurgy process, while General Motors successfully developed the melt spraying process, which can prepare neodymium iron boron magnets. This kind of magnet is a permanent magnet whose magnetism is second only to Absolute zero holmium magnet, and it is also the most commonly used Rare-earth magnet. Because of its excellent characteristics of high remanence, high Coercivity, and high magnetic energy product, it is widely used in devices and equipment with per

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2023-07

Teaching magnet

Teaching magnet is a teaching tool mainly used for teaching experiments and demonstrations (science popularization experiments in primary schools and physics experiments in middle schools). It can also be used for student stationery, children's toys, etc It can not only allow students to intuitively feel the true existence and changes of magnetic fields, but also express their physical characteristics in a concrete and vivid manner. It can also stimulate students' interest in learning, focus their attention, and stimulate their thinking and imagination. This will greatly help and promote the understanding and cognition of magnetic fields among primary and secondary school students and children. Magnetic fields are beneficial and harmless to the human body, and children can also use the N of magnets; The principle of the same polarity repelling the Earth's magnetic field and the opposite polarity attracting is to make a magnet into a compass. To fully mobilize and explore ch

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2023-07

Magnetic gas experience

Researchers at the Massachusetts Institute of Technology used lithium-6 isotopes. Lithium -6 contains three protons, three neutrons and three electrons. It belongs to Fermion (Half-integer spin particle), and has similar characteristics with electrons, which can be used to simulate the behavior of electrons. They used an infrared laser beam to capture the ultracold lithium atomic air mass and cool it to only 15 billionths of a Kelvin higher than Absolute zero. As the atomic repulsion gradually increases, several phenomena observed by researchers indicate that the gas has become highly magnetic. The atomic gas mass first grows and then suddenly contracts. When atoms are released from the trap, they suddenly expand rapidly. These phenomena are completely consistent with the theoretical predictions of magnetic phase conversion.Laser cooling is the preferred method used by physicists to reduce the temperature of gas close to Absolute zero. In order to cool the gaseous lithium to the ideal

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2023-07
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