Influence of intermediate-heat treatment on the structure and magnetic properties of iron-rich Sm(CoFeCuZr)Z sintered magnets
Influence of intermediate-heat treatment on the structure and magnetic properties of iron-rich Sm(CoFeCuZr)Z sintered magnets
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DOI：
10.1063/1.4906757
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发表时间：
2015-05-07
影响因子：
3.2
通讯作者：
Sakurada, Shinya
中科院分区：
文献类型：
--
作者：
Horiuchi, Yosuke;Hagiwara, Masaya;Sakurada, Shinya
在这项研究中，我们研究了在烧结和固溶处理温度之间的中间热处理（IHT），并评估了对Sm（CobalFe0.35Cu0.06Zr0.018）（7.8）的宏观结构，微观结构和磁性能的影响。我们发现，方形度明显改善，采用IHT，促进晶粒生长。这些结果表明，通过增加晶粒尺寸来减少晶界的分数会影响畴壁运动的行为。Sm（Co-bal）的磁性能为M-r 1.22 T，H-cJ 1580 kA/m，（BH）（max）282 kJ/m（3）（> 35 MGOe）。Fe0.35Cu0.06Zr0.018）（7.8）在1453 K下进行IHT。(C)2015 AIP Publishing LLC.
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.