Microstructures of Co-Zr-B alloys produced by melt-spinning technique
Microstructures of Co-Zr-B alloys produced by melt-spinning technique
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DOI：
10.1016/j.jallcom.2013.03.250
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发表时间：
2013-09
影响因子：
6.2
通讯作者：
T. Saito;M. Itakura
中科院分区：
文献类型：
--
作者：
T. Saito;M. Itakura
研究了高矫顽力 Co-Zr-B 熔纺薄带的微观结构，以确定 Co-Zr-B 合金中的硬磁相。通过 X 射线衍射 (XRD) 和磁性研究，以及扫描电子显微镜 (SEM)、透射电子显微镜 (TEM) 和扫描透射电子显微镜 (STEM) 的微观结构研究，在 Co-Zr-B 熔纺带材中没有发现 Co5Zr 相。仅检测到 CoxZr (x≈5) 相，表明 Co-Zr-B 合金中的硬磁相是 CoxZr 相。 TEM 和 STEM 研究表明，Co-Zr-B 合金具有直径约 200 nm 的非常细小的 CoxZr 晶粒，并且硬磁 CoxZr 相被软磁 Co 晶界相包围。
The microstructures of high-coercivity Co–Zr–B melt-spun ribbons were examined in order to determine the hard magnetic phase in the Co–Zr–B alloys. Throughout X-ray diffraction (XRD) and magnetic studies, as well as microstructural studies by scanning electron microscope (SEM), transmission electron microscope (TEM), and scanning transmission electron microscope (STEM), no Co5Zr phase was found in the Co–Zr–B melt-spun ribbons. Only the CoxZr (x≈5) phase was detected, indicating that the hard magnetic phase in the Co–Zr–B alloys was the CoxZr phase. The TEM and STEM studies revealed that the Co–Zr–B alloys had very fine CoxZr grains of around 200nm in diameter and that the hard magnetic CoxZr phase was surrounded by the soft magnetic Co grain boundary phase.