9 records found.
Recent advances in the development of high-performance HRE-free and RE-lean permanent magnets
- Conference presentation
- Creator
-
SEPEHRI AMIN Hossein (author) (Search by this author)Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science
;
KULESH Nikita (author) (Search by this author)International Center for Young Scientists, National Institute for Materials Science
;
;ZHANG Jiasheng (author) (Search by this author)Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials ScienceKAUTSAR Zulfa Hilmi (author) (Search by this author)Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science
;
BOLYACHKIN Anton (author) (Search by this author)Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science
;
TANG Xin (author) (Search by this author)Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science
;
;H. Nakamura (author) (Search by this author)Shin-Etsu ChemicalOHKUBO Tadakatsu (author) (Search by this author)Research Center for Magnetic and Spintronic Materials, National Institute for Materials Science
;
HONO Kazuhiro (author) (Search by this author)National Institute for Materials Science
- Keyword
- Hard magnets, Microstructure, Coercivity
- Date published
- Updated at
- 2026-01-14 15:01:40 +0900
Development of magnetic materials for green energy conversions
- Conference presentation
- Creator
-
SEPEHRI AMIN Hossein (author) (Search by this author)Research Center for Magnetic and Spintronic Materials/Green Magnetic Materials Group, National Institute for Materials Science
- Keyword
- Magnetic Materials, Soft Magnets, Coercivity, Core Loss, Nanostructure
- Date published
- Updated at
- 2025-12-11 08:30:03 +0900
Toward Maximum Utilization of Heavy Rare Earths in Sintered Nd–Fe–B Magnets by Grain Boundary Diffusion Source and Application Area Optimization
- Journal article
- Creator
-
;Abdullatif Durgun (author) (Search by this author)Dominik Ohmer (author) (Search by this author)
https://orcid.org/0000-0002-7129-331X
(unauthenticated)
;
;Matthias Katter (author) (Search by this author)Andreas Thul (author) (Search by this author)
https://orcid.org/0000-0001-6930-3999
(unauthenticated)
;
Simon Steentjes (author) (Search by this author)
https://orcid.org/0000-0002-3346-4560
(unauthenticated)
;
Hossein Sepehri Amin (author) (Search by this author)
;
Oliver Gutfleisch (author) (Search by this author)
https://orcid.org/0000-0001-8021-3839
(unauthenticated)
;
Imants Dirba (author) (Search by this author)
https://orcid.org/0000-0002-5335-2152
(unauthenticated)
- Keyword
- Permanent Magnet, Nd-Fe-B, Coercivity, Diffusion process
- Date published
- 2025-09-26
- Updated at
- 2025-09-30 12:30:19 +0900
Regulation of Grain Boundary Structure in NdFeCoB Magnets through Grain Boundary Diffusion of DyAlCu Alloy
- Conference poster
- Collection
- The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025)
- Creator
-
;Shengzhi Dong (author) (Search by this author)Central lron & Steel Research Institute, China;Haibo Feng (author) (Search by this author)Central lron & Steel Research Institute, China;Jing Liu (author) (Search by this author)Central lron & Steel Research Institute, China;Jiateng Zhang (author) (Search by this author)Central lron & Steel Research Institute, ChinaWei Li (author) (Search by this author)Central lron & Steel Research Institute, China
- Keyword
- REPM2025, Grain Boundary Diffusion, NdFeCoB Magnet, Nd2Co17, Coercivity, Low melting-point alloy
- Date published
- Updated at
- 2025-09-11 16:30:41 +0900
Coercivity engineering in Sm(Fe0.8Co0.2)12B0.5 thin films by Si grain boundary diffusion
- Journal article
- Creator
-
A. Bolyachkin (author) (Search by this author)National Institute for Materials Science
;
H. Sepehri-Amin (author) (Search by this author)National Institute for Materials Science
;
;M. Kambayashi (author) (Search by this author);Y. Mori (author) (Search by this author)T. Ohkubo (author) (Search by this author)National Institute for Materials Science
;
Y.K. Takahashi (author) (Search by this author)National Institute for Materials Science
;
;T. Shima (author) (Search by this author)K. Hono (author) (Search by this author)National Institute for Materials Science
- Keyword
- Hard magnetic material, SmFe12-based this film, Coercivity, Micromagnetic simulations
- Date published
- 2022-02-05
- Updated at
- 2024-10-15 12:30:27 +0900
High coercivity permanent magnets without reliance on scarce elements
- Journal article
- Creator
-
Sepehri-Amin H. (author) (Search by this author)
;
Bolyachkin A. (author) (Search by this author)National Institute for Materials Science
;
Tang Xin (author) (Search by this author)National Institute for Materials Science
- Keyword
- Permanent Magnets, Coercivity, Microstructure
- Date published
- Updated at
- 2025-08-01 08:30:41 +0900
High-coercivity SmFe12-based anisotropic sintered magnets by Cu addition
- Journal article
- Creator
-
;A.K. Srinithi (author) (Search by this author)Xin Tang (author) (Search by this author)National Institute for Materials Science
;
H. Sepehri-Amin (author) (Search by this author)National Institute for Materials Science
;
;J. Zhang (author) (Search by this author)National Institute for Materials ScienceT. Ohkubo (author) (Search by this author)National Institute for Materials Science
;
K. Hono (author) (Search by this author)National Institute for Materials Science
- Keyword
- Hard magnets, SmFe12 sintered magnets, Coercivity, Microstructure
- Date published
- 2023-06-26
- Updated at
- 2025-07-08 15:15:26 +0900
Thermodynamic properties of R2Fe14B (R=Dy, Nd) and dysprosium random substitution effect on coercivity in neodymium permanent magnets
- Journal article
- Creator
-
Masamichi Nishino (author) (Search by this author)National Institute for Materials Science
;
Hiroshi Hayasaka (author) (Search by this author)
https://orcid.org/0000-0001-5847-9948
(unauthenticated)
National Institute for Materials Science
;
Seiji Miyashita (author) (Search by this author)
https://orcid.org/0000-0003-0681-3910
(unauthenticated)
- Keyword
- R2Fe14B, Atomistic model, Coercivity, Dy substitution effect, Thermodynamic properties, Monte Carlo simulation, Stochastic LLG simulation
- Date published
- 2024-07-21
- Updated at
- 2024-07-24 16:30:21 +0900
Process parameters and magnetic properties (coercivity, remanence, squareness, maximum energy product) of data-driven fabrication of Nd-Fe-B anisotropic magnets by direct hot extrusion.
- Dataset
- Creator
-
Lambard, Guillaume (author) (Search by this author)
;
Sasaki, Taisuke (author) (Search by this author)
;
Sodeyama, Keitaro (author) (Search by this author)
;
Ohkubo, Tadakatsu (author) (Search by this author)
;
Hono, Kazuhiro (author) (Search by this author)
- Keyword
- Maximum energy product, Coercivity, Squareness, Machine learning, Remanence, Process, Bayesian Optimization, Hot extrusion, Active learning, Nd-Fe-B magnet
- Date published
- 2021-10-11
- Updated at
- 2022-10-03 02:01:08 +0900