PROCESS FOR THE PRODUCTION OF MACROSCOPIC NANOSTRUCTURED PERMANENT MAGNETS WITH HIGH DENSITY OF MAGNETIC ENERGY AND CORRESPONDING MAGNETS
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United States of America Patent
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May 5, 2011
app pub date -
Jun 11, 2009
filing date -
Jun 13, 2008
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Abstract
Process for the production of permanent magnets, of the kind that allows the production of nanostructured alloys (containing a volume fraction lower than 10% of the rare-earth-based stoichiometric compound) in the form of a multilayered material, comprising a stoichiometric hard phase containing rare earths localized in a series of stacked layers intercalated by soft ferromagnetic layers. According to the invention, comprises producing nanostructured elements along a respective vertical axis by means of an inkjet printing system and the parallelization of such productive phase, by means of matrices of productive elements.
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