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Ndfeb magnetic materials and high-end products N45 grades are _ ndfeb strong magnet manufacturers

by:Newland     2020-04-06
N45 magnets are belong to the high-end products of ndfeb magnetic material, its main function is to provide a more stable even permanent magnet magnetic field, is indispensable for all kinds of instruments, meters, motors and other functional materials. It is one of the application of a wide range of functional materials, commonly used in aerospace, aviation, motor, oil, defense and other fields. Product main technical performance indicators: Br is greater than or equal to 1. 35 t; Hcb is greater than or equal to 875. 8KA/m; Hcj is greater than or equal to 955. 4 ka / m; ( BH) Max is greater than or equal to 348 kj/m< ” 3> 。 Innovative projects: 1, improved formula, add metal Tb, Cn and other elements, improve the magnet structure, achieve the goal of improving performance; 2, by improving the pulverizing process, decrease the oxygen content of magnetic powder, increase the magnet main phase composition; 3, improve the sintering process, through the special secondary aging treatment, to improve the magnet performance. The advanced nature of the project: when compared with similar products at home and abroad: 1, the product has high coercive force, to over 130000 e; 2, good temperature tolerance, can work under 90 degrees Celsius. Market analysis report of the project: industrial production of high performance ndfeb magnet with the application of advanced technology are inseparable. In recent years, Japan, Europe and the United States and other countries invested heavily developed thin tape casting technology, hydrogen alloy ingot casting pieces + jet mill powder preparation technology, rubber film pulse magnetic field orientation and molding technology, such as low oxygen wet pressing molding technology, dual alloy technology, etc. , and applied to industrial production, to rapidly improve the comprehensive performance of sintered ndfeb magnet. Currently supply market for VCM, magnetic resonance imaging (MRI) and high performance permanent magnet motor applications N45, N48M, N46H, N42SH, are N35EH contour of sintered ndfeb magnet is mainly Japan, Europe and the United States and other countries products. Sintered ndfeb magnets in China and Japan, Europe and the United States and other countries of sintered ndfeb magnetic compared to his body, the gap is very obvious. In China product performance level is low, poor consistency, machinability and plating is bad. Sintered ndfeb magnets in China performance level is low, market competitiveness is not strong, the selling price is not high, not only affects the application of rare earth sintering magnetic steel products, also affect the industry's economic benefit. In 2000, the world world of ndfeb magnet production is 15090 tons, China's output of 5550 tons, accounting for 37%, Japan's output of 7700 tons, accounting for 51%. Although China's production of sintered ndfeb magnet close to Japan, is one of the world's main production base of sintered ndfeb magnet, but because of product performance level is low, the added value is not high, production value is less than a third of Japan. Mass production performance is low, lack of market competitiveness of products, has not obtained corresponding economic benefits. In a sense, a waste of China's rare earth resources, also does not favor the healthy development of sintered ndfeb magnet industry in China. 1996 - In 2003, China, Japan, the United States and Europe and other countries and regions, the change of the annual production of sintered ndfeb magnet is as follows. Among them, 2003 years is predicted. China's production of sintered ndfeb magnet will increase by a wide margin, and by 2003 China will yield more than Japan to become the world's first position. Japan is a major production base of high performance sintered ndfeb magnet, is also in sintered ndfeb magnets used in the world and the development level of the leading countries. Most of Japan's production of sintered ndfeb magnets are high performance products, so the Japanese product and technology largely reflects the usage of high performance sintered ndfeb magnets in the world and its development trend. In addition, the world of ndfeb magnet production remained substantial growth. This suggests that the market demand of sintered ndfeb magnet is still very strong. Applied in the MRI of sintered ndfeb magnet, the high residual magnetism and high magnetic energy product performance requirements, in order to ensure the high resolution and high resolution. Each MRI volume on the application of high performance sintered ndfeb magnet for 5 - 6 tons. In addition, the production of various motor more than 5 billion units worldwide each year, of which a large part of the permanent magnet motor, such as luxury cars start motor, are now using high performance sintered ndfeb magnet, if each car with only 100 grams of high performance computing of sintered ndfeb magnet, is in the field of auto demand each year thousands of tons of high performance sintered ndfeb magnet, for tens of millions of car use. In communications technology, especially the rapid development of the mobile phone has become another important application of high performance sintered ndfeb magnet field. High performance sintered ndfeb magnets with high added value, therefore, the market demand is very big. Estimated according to the customs, now every year in China needs to import about 1000 tons of rare earth magnet ( Do processing) 。 Therefore, development of high-grade ndfeb magnets have broad market prospect, can replace the import of high-grade rare earth magnets, saving a large amount of foreign exchange to the nation, and to take advantage of China's rare earth resources, for high-grade ndfeb products export.
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