4.7 Article

High coercivity in Sm5Fe17 melt-spun ribbon

Journal

JOURNAL OF ALLOYS AND COMPOUNDS
Volume 440, Issue 1-2, Pages 315-318

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2006.09.011

Keywords

permanent magnets; liquid quenching; magnetic measurements

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Sm-Fe binary alloy with the hard magnetic Sm5Fe17 phase was produced by melt-spinning followed by heat treatment. The magnetic properties of the Sm-Fe melt-spun ribbon depended on the annealing temperature. The highest coercivity, H-i(c) = 1.90 MA m(-1), was obtained by annealing the Sm-Fe melt-spun ribbon for 1 h at 923 K. The coercivity of the Sm5Fe17 melt-spun ribbon was attributed to the grain size of the hard magnetic Sm5Fe17 phase. (c) 2006 Elsevier B.V. All rights reserved.

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