Magnetic and Microstructural Properties of DyF3-Coated Sintered Nd-Fe-B Magnets by Electrophoretic Deposition
文献类型：会议论文
| 作者 | Cao, Xuejing; Chen, Ling; Guo, Shuai; Chen, Renjie; Yan, Gaolin; Yan, Aru |
| 出版日期 | 2015 |
| 会议日期 | MAY 11-15, 2015 |
| 关键词 | BOUNDARY DIFFUSION PROCESS COERCIVITY ENHANCEMENT PERMANENT-MAGNETS DYF3 |
| 卷号 | 51 |
| 期号 | 11 |
| DOI | 10.1109/TMAG.2015.2436923 |
| 英文摘要 | The impact of the effective DyF3 content on the magnetic and microstructural properties of sintered Nd-Fe-B magnets by the grain boundary diffusion process using electrophoretic deposition (EPD) method was investigated. The coercivity increased gradually from 16.10 to 24.04 kOe, and then decreased with increasing the effective DyF3 content. A significant increment in coercivity of similar to 8.0 kOe was achieved with <1.3 wt.% Dy. During diffusion, Dy tended to diffuse into the magnet through the grain boundary and formed Dy-rich (Nd, Dy)(2)Fe14B phase in the outer region of Nd2Fe14B grains by substituting for Nd. The significant enhancement of coercivity was ascribed to the higher magnetocrystalline anisotropy of the core-shell phase and the improved decoupling by the continuous and thick grain boundary phase. The coercivity decreased with increasing the thickness of the magnets, and the increment of the coercivity was similar to 3.26 kOe for the DyF3 EPD-coated magnets with the thickness of 8.5 mm. |
| 学科主题 | Engineering ; Physics |
| ISSN号 | 0018-9464 |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/23508]  |
| 专题 | 会议专题 会议专题_会议论文 |
| 推荐引用方式 GB/T 7714 | Cao, Xuejing,Chen, Ling,Guo, Shuai,et al. Magnetic and Microstructural Properties of DyF3-Coated Sintered Nd-Fe-B Magnets by Electrophoretic Deposition[C]. 见:. MAY 11-15, 2015. |
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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