Journal
JOURNAL OF APPLIED PHYSICS
Volume 117, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4906757
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In this study, we investigated intermediate-heat treatment (IHT) at temperatures between those of sintering and solution treatment, and evaluated the effects on the macrostructure, microstructure, and magnetic properties of Sm(CobalFe0.35Cu0.06Zr0.018)(7.8). We found that squareness was clearly improved by adopting the IHT, which promotes grain growth. These results indicate that reducing the fraction of grain boundaries by increasing the grain size affects the behavior of domain-wall motion. Magnetic properties of M-r 1.22 T, H-cJ 1580 kA/m, and (BH)(max) 282 kJ/m(3) (> 35 MGOe) were obtained for Sm(Co-bal. Fe0.35Cu0.06Zr0.018)(7.8) subjected to IHT at 1453K. (C) 2015 AIP Publishing LLC.
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