Title:
PERMANENT MAGNET ALLOY, METHOD FOR MANUFACTURING SAME, PERMANENT MAGNET, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/065089
Kind Code:
A1
Abstract:
The permanent magnet alloy according to the present disclosure comprises 41 to 53 atomic % inclusive of Mn, 46 to 53 atomic % inclusive of Al, and 0.5 to 10 atomic % inclusive of Cu, wherein the ratio of the stable phase having a tetragonal structure is greater than or equal to 50%.
Inventors:
KAINUMA RYOSUKE
OMORI TOSHIHIRO
XU XIAO
HASHIMOTO NAOKI
MAKI TOMOHITO
OMORI TOSHIHIRO
XU XIAO
HASHIMOTO NAOKI
MAKI TOMOHITO
Application Number:
PCT/JP2021/033394
Publication Date:
March 31, 2022
Filing Date:
September 10, 2021
Export Citation:
Assignee:
UNIV TOHOKU (JP)
HITACHI METALS LTD (JP)
HITACHI METALS LTD (JP)
International Classes:
H01F1/047; B22F3/00; B22F9/04; C22C1/04; C22C22/00; C22F1/00; C22F1/16; H01F1/08; H01F41/02
Foreign References:
| CN106997800A | 2017-08-01 | |||
| JPS5328014A | 1978-03-15 | |||
| JPS63104405A | 1988-05-09 | |||
| JPS4121965B1 | 1966-12-22 | |||
| JPS3912223B1 | ||||
| JPS594946A | 1984-01-11 |
Other References:
See also references of EP 4012729A4
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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