Influence of misch metal content on microstructure and magnetic properties of R-Fe-B magnets sintered by dual alloy method
文献类型:期刊论文
作者 | Shen, Bao-Gen; Shang, Rong-Xiang; Xiong, Jie-Fu; Liu, Dan; Zuo, Shu-Lan; Zhao, Xin; Li, Rui; Zuo, Wen-Liang; Zhao, Tong-Yun; Chen, Ren-Jie |
刊名 | CHINESE PHYSICS B
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出版日期 | 2017 |
卷号 | 26期号:5页码:57502 |
ISSN号 | 1674-1056 |
英文摘要 | MM14Fe79.9B6.1/Nd13.5Fe80.5B6 magnets were fabricated by dual alloy method (MM, misch metal). Some magnets have two Curie temperatures. Curie temperatures T-c1 corresponds to the main phase which contains more LaCe, and Tc1 decreases from 276.5 degrees C to 256.6 degrees C with the content of MM increasing from 30.3 at.% to 50.6 at.%. The variation of Br with the increase ofMMindicates the existence of inter-grain exchange coupling in the magnets. When MM/R <= 30.3 at.%, the magnetic properties can reach the level of the intrinsic coercivity Hcj >= 7.11 kOe and the maximum energy product (BH)(max) >= 41 MGOe. Compared with Nd, La and Ce are easier to diffuse to the grain boundaries in the sintering process, and this will cause the decrease of H-cj. Due to the diffusion between the grains, the atomic ratio of La, Ce, Pr, and Nd in each grain is different and the percentage of Nd in all grains is higher than that in misch metal. |
公开日期 | 2017-12-25 |
源URL | [http://ir.nimte.ac.cn/handle/174433/13843] ![]() |
专题 | 2017专题 |
推荐引用方式 GB/T 7714 | Shen, Bao-Gen,Shang, Rong-Xiang,Xiong, Jie-Fu,et al. Influence of misch metal content on microstructure and magnetic properties of R-Fe-B magnets sintered by dual alloy method[J]. CHINESE PHYSICS B,2017,26(5):57502. |
APA | Shen, Bao-Gen.,Shang, Rong-Xiang.,Xiong, Jie-Fu.,Liu, Dan.,Zuo, Shu-Lan.,...&Sun, Ji-Rong.(2017).Influence of misch metal content on microstructure and magnetic properties of R-Fe-B magnets sintered by dual alloy method.CHINESE PHYSICS B,26(5),57502. |
MLA | Shen, Bao-Gen,et al."Influence of misch metal content on microstructure and magnetic properties of R-Fe-B magnets sintered by dual alloy method".CHINESE PHYSICS B 26.5(2017):57502. |
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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