Uses strongest magnet alloy, a rare earth metal neodymium belongs, including iron and boron. These three are facing rare earth supply crisis on account of growing demand, along with China, the production of almost all of the country will probably restrict the export of rare earth metals. Preparation of nanocomposite magnet materials using metal nanoparticles, these particles include today's magnet alloy. These artificial materials, for example, is to make neodymium iron-based particles Nano particles are mixed. How these nanostructures magnetic interaction region, will develop a greater magnetic over traditional magnetic alloys. What's so great about the nano composite material is really a double magnet: nanocomposite using a similar weight of besides a stronger magnetic magnet, plus they use diminished amount of rare earth metals.

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