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
Mon. Jul 28, 2025 7:30 AM - 9:00 AM UTC
Red zone, Conference rooms 101 and 102(1F)
[P1-1]High performance HREE-free hot-deformed Nd-Fe-B magnets by Nd-Cu grain boundary diffusion
*Kazumasa Fujimura1, Takanori Kajiwara1, Takashi Oikawa1, Hiroshi Miyawaki2 (1. Corporate R&D center, Daido Steel Co., Ltd. (Japan), 2. Material solution dept., Daido Steel Co., Ltd. (Japan))
[P1-2]Development of Heavy Rare-Earth, Co-free Nd-Fe-B Injection Molded Anisotropic Bonded Magnet with High Corrosion Resistance
*Kazuaki Shimba1, Takumi Otaki1, Masaya Shintaku1, Satoshi Sugimoto2, Hironari Mitarai1 (1. Aichi Steel Corporation (Japan), 2. Department of Management Science and Technology, Graduate School of Engineering, Tohoku University (Japan))
[P1-3]Impact of the RFe2 phase in Ce-containing magnets on annealing optimization and magnetic performance
Fengqiao Liu1, *Yunqiao Wang1, Wei Zhu1, E Niu1, Zhan Wang1, Xiaolei Rao1, Boping Hu1 (1. Beijing Zhong Ke San Huan Research (China))
[P1-4]Coercivity Enhancement and Synergistic Suppression of CeFe2 Phase in Ce Magnets with High Ce Content
*Minggang Zhu1,2, Xiaolong Song2, Qisong Sun2, Yikun Fang2, Wei Li2 (1. AT&M North Technology Co.,Ltd (China), 2. Central Iron and Steel Research Institute (China))
[P1-5]Enhanced Magnetic Properties and Microstructural Characterization of Hot-Deformed (Ce,La)-Fe-B Magnets with Eutectic Alloy Incorporation
*Kyungmi Lee1, Ye Ryeong Jang1, Wooyoung Lee1 (1. Yonsei Univ. (Korea))
[P1-6]Simultaneous improvement in coercivity and remanence of (Nd, Pr)-ultra-saving Ce-substituted RE-Fe-B sintered magnets by grain boundary diffusion process using low-melting Nd-Cu-Al-Ga alloy
*Sujin Lee1, Sumin Kim1, Tae-Hoon Kim1, Kyoung-Hoon Bae2, Dong-Hwan Kim2, Jung-Goo Lee1 (1. Korea Institute of Materials Science (Korea), 2. Star Group Ind. CO., Ltd. (Korea))
[P1-7]Microstructural Optimization and Coercivity Enhancement in Nd-Ce-Fe-B Magnets through Grain boundary diffusion of Pr-La Mixed Alloy
*Ye Ryeong Jang1 (1. Yonsei University (Korea))
[P1-8]Hysteretic properties of (Nd,Ce,Tb)-(Fe,Co)-(Al,Cu,Ti)-B permanent magnets prepared by in-situ grain boundary diffusion
*Pavel Alexandrovich Prokofev1, Natalia Borisovna Kolchugina1, Nickolay Andreevich Dormidontov1, Nickolay Vladimirovich Kudrevatykh2, Anna Sregeevna Bakulina1, Mark Vladimirovich Zheleznyi1 (1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences (Russia), 2. Ural Federal University named after the First President of the Russian Federation B. N. Yeltsin (Russia))
[P1-9]Utilization of high-abundance rare earth elements in Tb-Cu-Al alloy for high efficient grain boundary diffusion of Nd-Fe-B magnets
*Mingpeng Kou1, Hongya Yu1, Xichun Zhong1, Zhongwu Liu1 (1. School of Materials Science and Engineering, South China University of Technology (China))
[P1-10]A macroscopic perspective on the sintered Nd-Fe-B magnets prepared by Tb grain boundary diffusion
*Jinghui Di1, Hui Meng2, Chaoyue Zhang3, Min Zou4 (1. Hangzhou Magmax Technology Co., Ltd. (China), 2. Hangzhou Foresee Group Holdings Co., Ltd. (China), 3. Hangzhou Kede Magnetic Components Co., Ltd. (China), 4. Lab Magnetics Inc. (United States of America))
[P1-11]Regulation of Grain Boundary Structure in NdFeCoB Magnets through Grain Boundary Diffusion of DyAlCu Alloy
*Shengzhi Dong1, Haibo Feng1, Jing Liu1, Jiateng Zhang1, Wei Li1 (1. Central lron & Steel Research Institute (China))
[P1-12]Coercivity enhancement of Nd-Fe-B sintered magnet through grain boundary restructuring using Dy80Ga20 eutectic alloy
*PAULRAJ S1, VIVEKANANDHAN P1, VIJAYARAGAVAN G1, SADHASHIVAM M2, PRADEEP K. G.2, PRABHU D1, GOPALAN R1 (1. Centre for Automotive Energy Materials, International Advanced Research Centre for Powder Metallurgy and New Materials, Chennai – 600 113, Tamil Nadu, India (India), 2. Deptartment of Metallurgical and Materials Engineering, Indian Institute of Technology Madras (IITM), Chennai – 600 036, Tamil Nadu, India (India))
[P1-13]Nb assisted grain boundary pinning in Nd-Cu diffused Nd-Fe-B magnets for enhancing the Coercivity
Sivakumar Munibhaskar1, Prabhu Delhi Babu2, Pradeep KG1, *Gopalan Raghavan2 (1. Indian Institute of Technology, Madras, Chennai-600036 (India), 2. International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), IITMadras Research Park, Chennai-600113 (India))
[P1-14]Effects of trace elements on the grain boundary diffusion of sintered NdFeB magnets
*Chaochao Zeng1, Jiayi He1, Xichun Zhong1, Hongya Yu1, Zhongwu Liu1 (1. School of Materials Science and Engineering, South China University Of Technology (China))
[P1-15]Effect of Coating Methods on the Magnetic Properties of Grain Boundary Diffusion Processed Nd-Fe-B Sintered Magnets
*Jaehyuk Kim1,2, Ye Ryeong Jang1, Dong Hyun Lee4, Seong Chan Kim2, Ju Young Beak2, Donghwan Kim5, Sang Hyub Lee5, Sumin Kim6, Jong Wook Roh4, Dalhyun Do3, Dong Hwan Kim2, Jeongmin Kim2, Wooyoung Lee1 (1. Yonsei Univ. (Korea), 2. DGIST (Korea), 3. Keimyung Univ. (Korea), 4. Kyungpook National Univ. (Korea), 5. Star Group (Korea), 6. KIMS (Korea))
[P1-16]Magnetization reversal of core-shell structured grain of GBDP Nd-Fe-B sintered magnet
Minghe Liu1, Shuai Cao1, Xinlong Yang1, Wenhe Liu1, *Weixing Xia1, Renjie Chen1, Aru Yan1, Wei Li1 (1. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences (China))
[P1-17]Novel Aspects in Nd-Fe-B Grain Boundary Engineering: Integrating (Electro)chemistry and Materials Science
*Kristina Zuzek1, Tomaz Tomse1, Mihaela Rebernik1, Fabian Burkhardt1, Amit Mishra1, Crt Saksida1, Laurence Schieren2, Carlo Burkhardt2, Johann Fischbacher3, Thomas Schrefl3, Sourur Semsari Parapari1, Saso Sturm (1. Jozef Stefan Institute (Slovenia), 2. Pforzheim University (Germany), 3. Danube University Krems (Austria))
[P1-18]Influence of the infiltrating additives of R-Cu-Co type on magnetic hysteresis properties and intergrain exchange interaction of the Nd-Fe-B alloys
*Aleksandra A. Golubiatnikova1, Sergey V. Andreev1, Ilia A. Ivanov1, Arkadiy N. Shalaginov1, Alexey S. Volegov1 (1. UrFU (Russia))
[P1-19]Features of the magnetization reversal processes in sintered permanent magnets Nd-Fe-B and Sm-Co type
*Andrey Urzhumtsev1,2, Viktoria Maltseva1, Alexey Volegov1 (1. Ural Federal University (Russia), 2. POZ-Progress LLC (Russia))
[P1-20]Potential of Cryogenic Treatment Applications on Rare-Earth-Based Functional Magnetic Materials
*Rafael Gitti Tortoretto Fim1, Matic Jovičevič-Klug1, Dierk Raabe2, Patricia Jovičevič-Klug3 (1. Sustainable Magnets and Recycling Group, Physics of Microstructure and Alloy Design Department, Max-Planck-Institute for Sustainable Materials (MPI-SusMat),Düsseldorf (Germany), 2. Physics of Microstructure and Alloy Design Department, Max-Planck-Institute for Sustainable Materials (MPI-SusMat), Düsseldorf (Germany), 3. Surface Science for Future Materials Group, Department of Interface Chemistry and Surface Engineering, Max-Planck-Institute for Sustainable Materials (MPI-SusMat), Düsseldorf (Germany))