Session Details

[P1]RE-Fe-B Magnets

Mon. Jul 28, 2025 4:30 PM - 6:00 PM JST
Mon. Jul 28, 2025 7:30 AM - 9:00 AM UTC
Green zone, Conference rooms 101 and 102(1F)

[P1-21]Coercivity enhancement of HDDR anisotropic Nd-Fe-B magnetic powder

*Jingzhi Han1, Hui-Dong Qian1, Peng Shen1, Tao Zhu1, Qing Xu1, Qiang Gao1, Shunquan Liu1, Weixing Xia3, Shuai Guo3, Wenyun Yang1, Jinbo Yang1,2, Yingchang Yang1 (1. Institute of Condensed Matter and Material Physics, School of Physics, Peking University (China), 2. State Key Laboratory for Mesoscopic Physics and School of Physics, Peking University (China), 3. Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences (China))

[P1-22]USE THE HDDR AND GBDP APPROUCHES TO PRODUCE HOT-DEFORMED Nd-Fe-B MAGNETS

*Sujuan Wang1,2,4, Ihor I. Bulyk1,2,4, Heping Zhu1,2,4, Munan Yang1,2,3,4 (1. Jiangxi Province Key Laboratory of Magnetic Metallic Materials and Devices (China), 2. National Rare Earth Functional Materials Innovation Center (China), 3. Ganjiang Innovation Academy, Chinese Academy of Science (China), 4. Jiangxi University of Science and Technology (China))

[P1-23]Nd2Fe14B MAGNETS SINTERED BY THE HDDR PROCESS: the first results

*Renhui Liu1,2,3, Ihor I. Bulyk1,2,3, Heping Zhu1,2,3, Munan Yang1,2,3,4 (1. Jiangxi University of Science and Technology (China), 2. Jiangxi Province Key Laboratory of Magnetic Metallic Materials and Devices (China), 3. National Rare Earth Functional Materials Innovation Center (China), 4. Ganjiang Innovation Academy, Chinese Academy of Science (China))

[P1-24]Influence of the Nd-rich phase when processing Nd-Fe-B through the Hydrogen Ductilisation Process (HyDP)

*Patrick Powell1, Oliver Peter Brooks1, Viktoria Kozak1, Safiyah Hussain1, Allan Walton1 (1. University of Birmingham (UK))

[P1-25]Synthesis of Fine (Nd,Ce)2Fe14B Powders via the Reduction-Diffusion Process For Fabricating Ce-substituted Nd-Fe-B Sintered Magnets

*Jeong Hyun Kim1, Kyung-Shik Yoon1, Hyeon Seong Kim1, Hee Yeon Jeon1, Tae-Hoon Kim2, Young-In Lee1 (1. Seoul National University of Science and Technology (Korea), 2. Korea Institute of Materials Science (Korea))

[P1-26]A Novel Methods to Fabricate Fine-grained Nd-Fe-B Sintered Magnets: Reduction-diffusion & Pressless Process

*Sumin Kim1, So-Yeon Kim1, Jae-Ho Byun1, Tea-Hoon Kim1, Jeong-Goo Lee1 (1. Korea Institute of Materials Science (Korea))

[P1-27]Fabrication of fine-grained Nd-Fe-B anisotropic magnets using single-crystalline particles synthesized by reduction-diffusion process

*Keunki Cho1, Seol-mi Lee1, Sumin Kim1, Tae-Hoon Kim1, Jung-Goo Lee1 (1. Department of Magnetic Materials, Korea Institute of Materials Science (Korea))

[P1-28]Recycling of Waste Nd-Fe-B Sintered Magnets via Ca-reduction and two-step washing process

*Seol-mi Lee1, Tae-Hoon Kim1, Ki-Suk Lee2, Sang-hyub Lee3, Dong-Hwan Kim3, Jung-Goo Lee1 (1. Korea Institute of Materials Science (KIMS) (Korea), 2. Ulsan National Institute of Science and Technology (UNIST) (Korea), 3. Star Group Ind. CO., Ltd. (Korea))

[P1-29]Remanufacture of sintered NdFeB magnets via recasting high dysprosium content end-of-life magnets

*Oliver Peter Brooks1, Cem Uyumaz1, Jospeh Gresle Farthing2, Abeshaa Mahendran2, Rob Arnold2, Muhammad Awais1, Vicky Mann1, Richard Stuart Sheridan1, Allan Walton1 (1. University of Birmingham (UK), 2. HyProMag Limited (UK))

[P1-30]Magnetic properties and recovery rate of recycling hundred-kilogram-scale NdFeB sintered magnets with the improved short-loop recycling process

*Chih-Chieh Mo1, Chih-Cheng Kuan1, Yung-Hsiang Wang1 (1. SPIN Sustainable Energy Industry Corporation, Hsinchu Country 30352, Taiwan (Taiwan))

[P1-31]On the Impact of Particle Size and Filling Density on the Magnetic Texture of Recycled Nd-Fe-B Magnets obtained via Pressless Processing

*Wagner Costa Macedo1, Leonardo Antunes1, Caio Ferreira Sampietro1, Marcelo Augusto Rosa1, Luis Torres Quispe1, Paulo Wendhausen1 (1. Federal University of Santa Catarina (Brazil))

[P1-32]Cyclone separation of hydrogen processed NdFeB magnets for improved properties

*Viktoria Kozak1, Lydia Pickering1, Muhammad Awais1, Abeshaa Mahendran2, Jovey Farthing2, Rob Arnold2, Allan Walton1 (1. University of Birmingham (UK), 2. Hypromag Ltd (UK))

[P1-33]Study of microstresses in sintered NdFeB magnets and their effects on magnetic properties

*Shengen Guan1, Zihao Wang1, Ning Wang1, Zhaohong Feng1, Xuexu Gao1, Jiheng Li1, Zhimeng Guo1, Xiaoqian Bao1 (1. University of Science and Technology Beijing (China))

[P1-34]Development of Nd-Fe-B multi-pole magnetized ring magnets with high magnetic properties

*Haruhiro Komura1, Akihiro Yamane1, Kentaro Hanashima1, Toshinori Suzuki1, Yu Okawara1 (1. MINEBEA MITSUMI Inc. (Japan))

[P1-35]Magnetization reversal behavior of die-upset Nd-Fe-B magnets with heterogenous microstructure

*HARIM CHOI1,2, Makoto KOBASHI1, Hossein Sepehri-Amin3, Yusuke HIRAYAMA2 (1. Nagoya university (Japan), 2. National Institute of Advanced Industrial Science and Technology (Japan), 3. National Institute for Materials Science (Japan))

[P1-36]Effect of gallium alloying on hysteresis properties of the Re-(Fe,Co)-Ga-B permanent magnets

*Andrey Vladimirovich Protasov1, Aleksandra Romanovna Soltus1, Denis Aleksandrovich Kolodkin1, Ludmila Alekseevna Stashkova1 (1. M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences (Russia))

[P1-37]Coercivity enhancement of hot deformed NdFeB magnets by doping multicomponent Ce-Tb-Pr-Al-Zn alloys

*HUANG WEI CHANG1, P.H. Lin1, Y.J. Wong1, W.J. Wong1, W.C. Chang1 (1. Department of Physics, National Chung Cheng University (Taiwan))

[P1-38]Improvement of Hk and squareness in d-HDDR-treated Nd-Fe-B powders prepared using modified starting powder

*Takashi Horikawa1,2, Masao Yamazaki1, Masashi Matsuura2, Satoshi Sugimoto2 (1. Aichi Steel Corporation (Japan), 2. Tohoku University (Japan))