Origin of low coercivity of high La-Ce-containing Nd-Fe-B sintered magnets
文献类型：期刊论文
| 作者 | Li, Zhi; Li, Yu-Qing; Liu, Wei-Qiang; Wu, Dan; Chen, Hao; Xia, Wei-Xing; Yue, Ming |
| 刊名 | RARE METALS
 |
| 出版日期 | 2020 |
| 关键词 | MICROSTRUCTURE MAGNETIZATION SUBSTITUTION DIFFUSION NANOTUBE MM |
| DOI | 10.1007/s12598-020-01556-5 |
| 英文摘要 | The origin of low coercivity of high La-Ce-containing Nd-Fe-B sintered magnets was analyzed based on characterization of the microstructure, magnetic domain structure, and magnetization reversal process. It can be found that the coercivity of magnet decreases sharply and the ratio value of coercivity (H-cj) to anisotropic field (H-A) is below the theoretical value when the amount of La-Ce substitution for Nd is more than 40 wt%. The grain boundaries with poor magnetic isolation in the high La-Ce-containing Nd-Fe-B sintered magnets play an important role in reducing the coercivity of the magnet. In addition, a larger proportion of the reversible portions can be found for the magnet with a large content of La-Ce, which will lead to the low performance of the magnet. Graphic abstract |
| 学科主题 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/20511]  |
| 专题 | 2020专题 2020专题_期刊论文 |
| 作者单位 | Yue, M (corresponding author), Beijing Univ Technol, Minist Educ China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing 100124, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Li, Zhi,Li, Yu-Qing,Liu, Wei-Qiang,et al. Origin of low coercivity of high La-Ce-containing Nd-Fe-B sintered magnets[J]. RARE METALS,2020. |
| APA | Li, Zhi.,Li, Yu-Qing.,Liu, Wei-Qiang.,Wu, Dan.,Chen, Hao.,...&Yue, Ming.(2020).Origin of low coercivity of high La-Ce-containing Nd-Fe-B sintered magnets.RARE METALS. |
| MLA | Li, Zhi,et al."Origin of low coercivity of high La-Ce-containing Nd-Fe-B sintered magnets".RARE METALS (2020). |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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