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) Nd-Fe-B magnets show heterogeneous microstructure composed of coarse and fine grain regions. It is significant to fully understand the influence of this complex microstructure on the magnetization reversal process which can give the guidance for the enhancement of the magnetic properties. In this paper, the heterogeneous microstructure of the(HD) Nd-Fe-B magnets were characterized from......
Investigation of the coercivity mechanism for Nd-Fe-B based magnets prepared by a new technique of strip castingLI Bo;HU Jifan;WANG Dongling;GUO Binglin;WANG Xinlin Department of Functional Materials...; The coercivity mechanism of Nd-Fe-B based magnets prepared by a new technique of strip casting was investi-gated. Different from the traditional magnets, α-Fe phases are difficult to be found in Nd-Fe-B magnets......
Microstructure and magnetic properties of sintered Nd-Fe-B magnets with Ce substitution for Nd by intergranular-alloy methodJian-Xin Huang1,Ying Liu1,Jun Li1,2,Wei Zhao1,Qi Shi11. College... at the comprehensive utilization of the rare-earth resources and the preparation of the high-performance low-cost Nd-Fe-B magnets,sintered magnets with different Ce substitution amounts of 17.2 wt%,24.8 wt% and 31.8 wt......
Recycling of waste Nd-Fe-B sintered magnets by doping with dysprosium hydride nanoparticles刘卫强1,李超1,ZAKOTNIK Miha1,岳明1,张东涛1,黄秀莲2,31. College of Materials Science and Engineering, Beijing University of Technology摘 要:Recycling of waste sintered Nd-Fe-B permanent magnets by doping DyH 3 nanoparticles was investigated. The effect of the Dy H3 nanoparticles......
Recycling of waste Nd-Fe-B sintered magnets by doping with dysprosium hydride nanoparticles刘卫强1,李超1,ZAKOTNIK Miha1,岳明1,张东涛1,黄秀莲2,31. College of Materials Science and Engineering, Beijing University of Technology摘 要:Recycling of waste sintered Nd-Fe-B permanent magnets by doping DyH 3 nanoparticles was investigated. The effect of the Dy H3 nanoparticles......
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碳对烧结Nd-Fe-B永磁体性能的影响 李增峰1,罗建军1,谈萍1 (1.西北有色金属研究院,西安,710016) 摘要:本文采用两种不同碳含量的原料铁棒,按相同的传统烧结Nd-Fe-B永磁体的工艺,制得NdDyAlCuBFe块状永磁体,研究了碳对烧结Nd-Fe-B永磁体性能的影响.结果显示,原料铁棒中C含量增高,磁体的磁性能如剩磁,矫顽力,磁能积以及方形度都下降.SEM和金相显微观察表明...结Nd-Fe-B永磁体; [全文内容正在添加中] ......
纳米复相Nd-Fe-B磁体永磁材料发展新方向 刘伯操1,张少卿1,高彦东1 (1.北京航空材料研究院,北京,100095) 摘要:探讨了纳米复相Nd-Fe-B磁体的理论依据,总结了这种材料的种类,制备工艺以及提高材料磁性能的方法.最后对这种材料的应用前景进行了展望. 关键词:Nd-Fe-B磁体; 纳米复相; 交换藕合; [全文内容正在添加中] ......
Recycled Nd-Fe-B sintered magnets prepared from sludges by calcium reduction-diffusion processXiaowen Yin1,Min Liu1,Baicen Wan1,Yu Zhang1,Weiqiang Liu1,Yufeng Wu2,Dongtao Zhang1,Ming Yue11. College... study, we have developed an effective route to obtain recycled sintered magnets from Nd-Fe-B sintered magnet sludges by calcium reduction-diffusion(RD) process. Compared to conventional recycling......
Recycled Nd-Fe-B sintered magnets prepared from sludges by calcium reduction-diffusion processXiaowen Yin1,Min Liu1,Baicen Wan1,Yu Zhang1,Weiqiang Liu1,Yufeng Wu2,Dongtao Zhang1,Ming Yue11. College... study, we have developed an effective route to obtain recycled sintered magnets from Nd-Fe-B sintered magnet sludges by calcium reduction-diffusion(RD) process. Compared to conventional recycling......
