Nanocrystalline exchange-enhanced hard magnetic alloys (English)

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The effects of microstructural refinement into the nanocrystalline range on the magnetic properties of iron-rare earth alloys are briefly reviewed and discussed. The influence of composition, including departures from the stoichiometric ratio and alloying additions, and of melt spinning process variables on the microstructure and properties are identified and the commercial prospects for nanophase bonded magnets considered