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24/02/14

Magnet manufacturers tell you why magnets can attract iron but not wood and aluminum?

We must have played with magnets when we were young, and we must have discovered such a phenomenon: magnets can attract iron products such as nails and iron sheets, but they cannot attract wooden tables or aluminum pots. To understand the magnetism in solids, we must first understand the quantum property of electrons-spin. Just like charge and mass, spin is also an intrinsic property of microscopic particles. It is not caused by the rotation of microscopic particles, but an inevitable characteristic of quantization. The spin of the electron will produce a spin magnetic moment, and the movement of the electron around the nucleus will also produce an orbital magnetic moment, the direction of the magnetic moment is perpendicular to the plane of the loop, and the magnetic moment can be regarded as a small magnetic needle. If there is

24/02/14

Toyota's latest magnet has a major structural adjustment, or will get rid of dependence on China's rare earth resources

Neodymium iron boron magnet (NdFeB) is a kind of permanent magnet with small size, light weight and strong magnetism. It is widely used in hybrid electric vehicles, wind power generation and robots and other emerging industries. The most critical material for NdFeB magnets is neodymium (Nd), an expensive rare earth element. Therefore, the price of neodymium can directly affect the profits of many downstream industries. Toyota said recently that for high-energy applications such as motors, it has successfully invented a magnet with only a fraction of the neodymium content of standard NdFeB magnets, which is expected to break the dependence on neodymium. For neodymium, a rare earth element, although increasing demand is leading

24/01/24

Visit the strategy of rare earth talents to build talent development ecology

The 19th National Congress of the Communist Party of China proposed to build China into a prosperous, strong, democratic, civilized, harmonious and beautiful socialist country. In the report of the 19th National Congress of the Communist Party of China, the demand for a "beautiful country" has attracted much attention. Its profound significance lies in the requirement to fully consider the harmonious relationship with the natural environment while economic development, and abandon the wrong concept of sacrificing the environment to promote economic development. In this requirement, my country's mineral industry is the first to face reform opportunities and challenges. In this regard, the reporter interviewed Zhu Qin, chairman of Inner Mongolia Qiangguo Rare Earth Development Co., Ltd. Chairman Zhu Qin emphasized that while pursuing economic interests, corporate development should also consider its own social responsibilities.

24/01/24

Guangxi Cenxi Bureau of Land and Resources to crack down on illegal mining of rare earth resources

In order to further crack down on illegal mining and protect the ecological environment, from March 1 to 2, the land and Resources Bureau of Cenxi City, Guangxi Zhuang Autonomous Region, together with relevant departments, severely cracked down on two illegal mining of rare earth mineral resources, and effectively maintained the order of mineral resources development. On March 1, the bureau, together with the Sanbao town government, organized law enforcement forces to severely crack down on the illegal acts of illegal mining of tail liquid from the original rare earth recovery point in Zhenda Village, Sanbao Town, and destroyed a number of illegal mining equipment and facilities at the scene. On March 2, the bureau, together with the Public Security Bureau, the anti-illegal Office and other departments, as well as the Nuo Dong Town Government, dispatched more than 40 law enforcement personnel to the Dadi Village of Nuo Dong Town in accordance with the law.

24/01/24

The status quo of cheap rare earth exports needs to be reversed

China has always been the world's most important rare earth supplier. Data show that China's rare earth supply accounts for about 80% of the world's rare earth supply. In 2017, China's rare earth ore production was 105000 tons, accounting for 81% of the global rare earth supply. Among the proven rare earth reserves, in addition to China ranking first in the world (37%), Brazil, Vietnam, Russia, India, Australia, the United States and other countries are also relatively rich in rare earth reserves. However, the global supply of rare earths has long been dependent on China. According to the predicted growth of rare earth demand and the current mining speed and scale, China's rare earth resources will be exhausted in the next 25-30 years and become rare earth

24/01/24

In February 2018, rare earth exports 4451.3 tons, with an export value of 0.25 billion yuan, up sharply from the same period last year!

Customs data show that China's rare earth exports in February 2018 were 4451.3 tons, an increase of 35.1 percent over the same period in 2017, and 8268.9 tons in January-February, an increase of 5 percent over the same period in 2017. The export amount in February 2018 was 0.25 billion yuan, an increase of 81.1 compared with the same period in 2017. The cumulative export amount from January to February was 0.49 billion yuan, an increase of 32% compared with the same period in 2017. Source: magnet manufacturer Youlian Magnetic Industry www.youliancy.com Rare Earth Cheap Export Status Needs

24/01/24

Seize the "commanding heights" of the development of rare earth new materials industry"

The development of China's new material industry, as a powerful country strategy, is gradually being promoted in various fields. In order to further promote the development of China's new materials industry, the Ministry of Industry and Information Technology will continue to formulate and issue a series of industrial promotion policies and measures from this year. These include the preparation and implementation of the 2018 new material industry discount project, the establishment of the "Made in China 2025" industry development fund, the formulation of relevant policies to support the promotion and application of the new material industry, and the launch of the implementation of the "key new material research and development and application" major project. It is reported that the Ministry of Industry and Information Technology will also focus on optimizing the development environment of the new material industry, and will speed up the demonstration platform for the production and application of new materials.

24/01/24

Rare Earth Industry Association: Six Major Rare Earth Groups Work Exchange Seminar Held in Beijing

On March 6, 2018, the "Six Rare Earth Groups Related Work Exchange Seminar" organized by the China Rare Earth Industry Association was held in Beijing. Academician Gan Yong, Honorary President of China Rare Earth Industry Association, Academician Zhang Hongjie, President of China Rare Earth Industry Association, relevant leaders of the Rare Earth Division of the Department of Raw Materials of the Ministry of Industry and Information Technology, China Rare Earth Co., Ltd., Minmetals Rare Earth Group Co., Ltd., China North Rare Earth (Group) High-Tech Co., Ltd., Xiamen Tungsten Industry Co., Ltd., China South Rare Earth Group Co., Ltd. and Guangdong Rare Earth Industry Group Co., Ltd. and other six major rare earth groups, heads of main functional departments, China Rare Earth Bank

24/01/19

Basic knowledge of NdFeB magnet

NdFeB magnets, as the latest result of the development of rare earth permanent magnet materials, are called "magnetic kings" due to their excellent magnetic properties ". NdFeB magnets are alloys of neodymium, iron oxide, etc. Also known as magnetic steel. NdFeB material contains a large amount of neodymium and iron, easy to rust. Therefore, NdFeB magnets must be treated with surface coating. Surface chemical passivation is one of the best solutions at present. NdFeB has a very high magnetic energy product and force, while the advantages of high energy density make NdFeB permanent magnet materials in modern industry and electronic technology has been widely used, so that instrumentation, electro-acoustic motors, magnetic separation and magnetization of equipment such as miniaturization, light

24/01/19

Magnet company to judge the quality of sintered NdFeB magnets

Sintered NdFeB permanent magnets, as one of the important substances 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, consumer electronics (CD, DVD, mobile phones, stereos, copiers, scanners, cameras, refrigerators, televisions, air conditioners, etc.) and magnetic machinery, magnetic levitation technology, magnetic transmission and other industries. Since 1985 in Japan, China and Europe and the United States at the same time began industrialization, the past 30 years, the global permanent magnet material industry to flourish, magnetic properties continue to break new records, material varieties and grades continue to increase.

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