Recycling of waste Nd-Fe-B sintered magnets by doping with dysprosium hydride nanoparticles

查看全文 作　　者：[1]刘卫强;[1]李超;ZAKOTNIK [1]Miha;[1]岳明;[1]张东涛;[2,3]黄秀莲

机构地区：[1]College of Materials Science and Engineering, Beijing University of Technology;[2]Earth-panda Advance Magnetic Material Co., Ltd.;[3]Anhui Province Key Laboratories of Rare Earth Permanent Magnet Materials

出　　处：《Journal of Rare Earths》索引2015年第33卷第8期,共4页

基　　金：supported by the National High Technology Research and Development Program of China(2012AA063201);National Natural Science Foundation of China(51001002,51371002) 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 on the microstructure and magnetic properties of the recycled magnets was studied. As the DyH 3 nanoparticles additive increased, the coercivity of recycled magnet increased gradually. The recycled magnets with Dy H3 nanoparticle content between 0.0 wt.% and 1.0 wt.% maintained the remanence(Br), but, with higher additions, the Br began to decrease rapidly. The best recycled magnet produced contained 1.0 wt.% of DyH 3 nanoparticles when compared to the properties of the starting waste sintering magnet. The Hcj, Br and(BH)max values of 101.7%, 95.4%, and 88.58%, respectively, were recovered. 关键词：烧结钕铁硼永磁体废物回收利用纳米颗粒烧结磁体硼掺杂氢化组织性能磁性材料

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Recycling of waste Nd-Fe-B sintered magnets by doping with dysprosium hydride nanoparticles

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