Future development of new magnetic materials, materials

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Ferrite permanent magnet material, the market demand is growing at an annual growth rate of about 15%, and its composition and process technologies are constantly improved and perfected is still in development stage, to predict the future 20 to 30 years, ferrite permanent Gansu Materials is still widely used) permanent magnetic material. Rare earth magnet material, namely Nd-Fe-B permanent magnetic material life How? See if there is no magnetic polarization of people, the magnetic anisotropy constant KI, Curie, dish degrees' and the price is more than Nd2Fe14B compound good new material appears. 1983 Nd-Fe-B l permanent magnetic materials produced by the day, people have begun to study alternative Nd-Fe-B-based magnet material is new material. ndfeb magnet

        In the EC countries to Dublin university laboratories, the number of one million U.S. dollars investment, has gone through more than ten years, to 1995, Professor in South Korea at the 3rd International Symposium magnetic physics says that after 10 years Research is currently not discovered a new material that can now NdFeB material with new and better materials. Over the last decade to discover new materials with intrinsic magnetic parameters of Nd2Fe14B compound. magnetic knife holder
     
         Metastable Fe3B people and the 'close to the corresponding values ??of Nd2Fe14B, but the magnetic low; Fe23B6 is metastable, Fe16N2 people reach 28 ~ 30T, which is the highest currently known human material. Be recovered from existing problems, namely 8e16 N2 people are using VSM, or Ili, -, Ge sbauer measuring film obtained, measurement accuracy of a suspect. Chunks of Fe16 N2 manufactured still water, Fe16 N2 is metastable transition phase, which has square structure, but it is not the measured magnetic anisotropy. 3:29-type nitrogen compound Nd3Fe27V2N4 gap 0, the (mass magnetization) and D 'is higher than that of Nd2Fe14B, HA Nd2Fe14B also close, but 3:29 nitride phase and 2:17 nitride phase and 1: nitride spider 12 with the same problem . Magnetic Head Pulley