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Vial, F.; Joly, F.; Nevalainen, E.; Sagawa, M.; Hiraga, K.; Park, K.T.
Journal of magnetism and magnetic materials, 04/2002, Letnik: 242-245Journal Article
The purpose of this study was to better understand the metallurgical transformations that occur during heat treatment of Nd-based magnets. DSC analysis and microstructural investigations of the grain boundaries with SEM and TEM were carried out. DSC permitted to optimize the heat treatment. Microstructural investigations always showed the presence of thin and smooth RE-rich film, associated with the highest coercivity. copyright 2002 Elsevier Science B.V. All rights reserved.
