Effect of annealing temperature on coercivity of Nd-Fe-B magnets with TbFeAl doping by process of hot-pressing
文献类型：期刊论文
| 作者 | Shu, Ze-Teng; Zheng, Bo; Ding, Guang-Fei; Liao, Shi-Cong; Di, Jing-Hui; Guo, Shuai; Chen, Ren-Jie; Yan, A-Ru; Shi, Lei |
| 刊名 | CHINESE PHYSICS B
 |
| 出版日期 | 2020 |
| 卷号 | 29期号:5 |
| 关键词 | BOUNDARY STRUCTURE MODIFICATION SINTERED MAGNETS ENHANCEMENT DIFFUSION |
| DOI | 10.1088/1674-1056/ab7b57 |
| 英文摘要 | The Nd-Fe-B magnets are pre-sintered and then processed with hot-pressing, and the resulting magnets are called the hot-pressed pretreated (HPP) magnets. The coercivity of the HPP magnets increases as the annealed temperature increases. When the annealing temperature is 900 degrees C, the coercivity of the magnet is only 17.6 kOe (1 Oe = 79.5775 A.m(-1)), but when the annealing temperature rises up to 1060 degrees C, the coercivity of the magnet reaches 23.53 kOe, which is remarkably increased by 33.7%. The microstructure analysis indicates that the grain surface of the HPP magnet becomes smoother as the annealed temperature increases. The microstructure factor alpha is changed according to the intrinsic coercivity model formula. The alpha of the magnet at 900 degrees C is only 0.578, but it is 0.825 at 1060 degrees C. Microstructural optimization is due mainly to the increase of coercivity of the HPP magnet. |
| 学科主题 | Physics |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/19687]  |
| 专题 | 2020专题 2020专题_期刊论文 |
| 作者单位 | 1.Guo, S (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China. 2.Zheng, B |
| 推荐引用方式 GB/T 7714 | Shu, Ze-Teng,Zheng, Bo,Ding, Guang-Fei,et al. Effect of annealing temperature on coercivity of Nd-Fe-B magnets with TbFeAl doping by process of hot-pressing[J]. CHINESE PHYSICS B,2020,29(5). |
| APA | Shu, Ze-Teng.,Zheng, Bo.,Ding, Guang-Fei.,Liao, Shi-Cong.,Di, Jing-Hui.,...&Shi, Lei.(2020).Effect of annealing temperature on coercivity of Nd-Fe-B magnets with TbFeAl doping by process of hot-pressing.CHINESE PHYSICS B,29(5). |
| MLA | Shu, Ze-Teng,et al."Effect of annealing temperature on coercivity of Nd-Fe-B magnets with TbFeAl doping by process of hot-pressing".CHINESE PHYSICS B 29.5(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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