| Effect of cobalt substitution on magnetic properties and microstructure of nanocrystalline （NdDyTb）12.3（FeZrNbCu）81.7B6.0 ribbons |
| |
| 引用本文： | 包小倩,高学绪,张茂才,朱洁,周寿增.Effect of cobalt substitution on magnetic properties and microstructure of nanocrystalline （NdDyTb）12.3（FeZrNbCu）81.7B6.0 ribbons[J].中国稀土学报(英文版),2009,27(3):501-505. |
| |
| 作者姓名： | 包小倩 高学绪 张茂才 朱洁 周寿增 |
| |
| 作者单位： | State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China
|
| |
| 摘 要： |
|
| 关 键 词： | 磁性质 振动样品磁强计 扫描电子显微镜 色带 微观 纳米 差示扫描量热 X射线衍射 |
| 收稿时间： | 29 July 2008 |
Effect of cobalt substitution on magnetic properties and microstructure of nanocrystalline (NdDyTb)12.3(FeZrNbCu)81.7B6.0ribbons |
| |
| BAO Xiaoqian,GAO Xuexu,ZHANG Maocai,ZHU Jie,ZHOU Shouzeng.Effect of cobalt substitution on magnetic properties and microstructure of nanocrystalline (NdDyTb)12.3(FeZrNbCu)81.7B6.0ribbons[J].Journal of Rare Earths,2009,27(3):501-505. |
| |
| Authors: | BAO Xiaoqian GAO Xuexu ZHANG Maocai ZHU Jie ZHOU Shouzeng |
| |
| Affiliation: | State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China |
| |
| Abstract: | Effect of Co substitution and annealing treatment on the formation, magnetic properties and microstructure of (NdOyTb)12.3(FeZrNbCu)81.7CoxB6(x=0-15) ribbons prepared by rapid quenching and subsequent annealing was systematically investi-gated by means of differential scanning calorimeter (DSC), X-ray diffraction (XRD), high resolution scanning electron microscopy (HRSEM) and vibrating sample magnetometer (VSM). Phase analysis revealed single-phase material. The remanence polarization Jr and maximum en-ergy product (BH)max increased with increasing x from 0 to 12 and then decreased for x=lS. The intrinsic coercivity Hci of (NdDyTb)12.3 (FeZrNbCU)81.7-xCoxB6 ribbons optimally processed decreased from 1308.7 kA/m for x=0 to 817.4 kA/m for x=15. Optimum magnetic properties with Jr=1.041 T, Hci=944.9 kA/m and (BH)max=155.1 kJ/m3 were achieved by annealing melt-spun ribbon (x=-12) at 675℃ for 10 min. There was no significant influence of Co substitution on microstructure. |
| |
| Keywords: | nanocrystalline Nd-Fe-B magnets Co substitution magnetic properties rare earths |
| 本文献已被 维普 万方数据 ScienceDirect 等数据库收录！ |
