Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 320, Issue 3-4, Pages 96-99Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2007.05.010
Keywords
Nd-Fe-B; coercivity; impact toughness; sintered magnet
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The effects of Nb on the coercivity and impact toughness of sintered Nd-Fe-B magnets have been investigated. The results show that the addition of Nb enhances the coercivity of sintered magnets, improves the microstructure and impact toughness of sintered magnets. The optimum impact toughness of sintered magnets was achieved when 1.5 at% Nb was incorporated. The reasons for improving the coercivity and impact toughness of sintered magnets are analyzed. (C) 2007 Elsevier B.V. All rights reserved.
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