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The progress of ndfeb magnetic material technology

by:Newland     2020-05-06
Developed in our country biggest specifications of bonded ndfeb magnetic tile, has successfully developed and sent to the test, the bonded ndfeb magnetic tile samples net weight 400 grams, compared with traditional only a few grams of micro bonded ndfeb products, is a big MAC. Ndfeb magnetic material, as a landmark achievement of the development of the rare earth permanent magnet materials, because of their excellent magnetic, known as 'magnetic king'. Ndfeb has a very high magnetic energy product and coercive force, as well as the advantages of high energy density in the application of rare earth permanent magnet ndfeb permanent magnet materials to an extreme, in the modern industry and the wide application of electronic technology, instruments and meters, electronic motor, rare earth permanent magnet in magnetizing equipment such as magnetic materials widely. Rare earth permanent magnet occupy the important position in the strategic emerging industries, the technology of advanced degree is one of the important indicators to measure a national technology level. Ndfeb as the pinnacle of permanent magnets, in the important position in the field of application of rare earth is beyond doubt, the institute of rare earth. but the secretary-general said that in the future in the field of application of rare earth, permanent magnet, respectively, of the fastest growing oil catalytic cracking, auto tail gas purification, to compound growth rate distribution of 10 to 2018. 1%, 8% and 6%, rare earth elements lanthanum, cerium, praseodymium, neodymium and dysprosium and terbium. Analysis points out, in the field of application of rare earth permanent magnet extension, frequency conversion air conditioning, wind power, energy-saving elevator, and other areas of the application is the main driver of growth, permanent magnet car market is a big consumer of permanent magnet, in particular, according to the statistics, each hybrid vehicles for the consumption of ndfeb magnetic material is about 2. 5 kg; Pure electric cars for each 5 kg. Global sales of 80 million units in 2014 passenger cars, if 10% of new energy vehicles, the demand for ndfeb could reach 40000 tons. In fact high performance ndfeb production capacity worldwide last year to more than 30000 tons. Therefore new energy automobile market volume, the demand for high performance ndfeb influence could be disruptive.
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