Title:
永久磁石用合金及びその製造方法並びに永久磁石及びその製造方法
Document Type and Number:
Japanese Patent JP7425451
Kind Code:
B2
Abstract:
A permanent magnet alloy according to the present disclosure contains Mn at a content not lower than 41% by atom and not higher than 53% by atom; Al at a content not lower than 46% by atom and not higher than 53% by atom; and Cu at a content not lower than 0.5% by atom and not higher than 10% by atom. The alloy contains a stable phase, having a tetragonal structure, at a ratio not lower than 50%.
Inventors:
Ryosuke Kainuma
Toshihiro Ohmori
許 ▲キョウ▼
Naoki Hashimoto
Tomohito Maki
Toshihiro Ohmori
許 ▲キョウ▼
Naoki Hashimoto
Tomohito Maki
Application Number:
JP2022514550A
Publication Date:
January 31, 2024
Filing Date:
September 10, 2021
Export Citation:
Assignee:
Tohoku University
Proterial Co., Ltd.
Proterial Co., Ltd.
International Classes:
B22F1/00; H01F1/047; B22F3/00; C22C22/00; H01F41/02
Domestic Patent References:
| JP5328014A | ||||
| JP63104405A | ||||
| JP4121965B1 | ||||
| JP372454B1 | ||||
| JP3810007B1 | ||||
| JP392362B1 | ||||
| JP5438206A | ||||
| JP521216A |
Foreign References:
| CN106997800A | ||||
| US4342608 |
Attorney, Agent or Firm:
Seiji Okuda
Shuichi Kita
Shuichi Kita