The magnetic properties of Fe 67-xCo 10Nd 3Y xB 20 ( x=0, 2, 6, 10) alloys prepared by suction casting had been investigated. It was found that a small addition of Y (6%) was very effective in improving glass-forming ability (GFA) of Fe-Co-Nd-Y-B alloys. The as-cast Fe 61Co 10Nd 3Y 6 B 20 alloy presented soft magnetic behavior. However, the alloy showed the hard magnetic behavior due to exchange coupling between soft and hard magnetic phases after annealing at 948K for 30min. The results provide a promising approach for the production of bulk magnets by the simple process of copper mold casting and subsequent heat treatment. [All rights reserved Elsevier]
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