Title:
METHOD FOR MANUFACTURING RARE EARTH METAL-TRANSITION METAL ALLOY POWDER, AND SAMARIUM-IRON ALLOY POWDER
Document Type and Number:
WIPO Patent Application WO/2020/183885
Kind Code:
A1
Abstract:
An embodiment of the present invention is a method for manufacturing a rare earth metal-transition metal alloy powder, including a step for heat treating a composition including a rare earth metal, a transition metal, and an alkali metal halide and/or an alkaline earth metal halide at a temperature equal to or higher than the melting point of the alkali metal halide and/or alkaline earth metal halide, the rare earth metal being one or more rare earth metals selected from the group consisting of Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and the transition metal being one or more transition metals selected from the group consisting of Fe, Ni, Co, Cr, and Mn.
Inventors:
SATOH SUGURU (JP)
ENOKIDO YASUSHI (JP)
OKADA SHUSUKE (JP)
TAKAGI KENTA (JP)
ENOKIDO YASUSHI (JP)
OKADA SHUSUKE (JP)
TAKAGI KENTA (JP)
Application Number:
PCT/JP2020/000732
Publication Date:
September 17, 2020
Filing Date:
January 10, 2020
Export Citation:
Assignee:
TDK CORP (JP)
AIST (JP)
SATOH SUGURU (JP)
ENOKIDO YASUSHI (JP)
OKADA SHUSUKE (JP)
TAKAGI KENTA (JP)
AIST (JP)
SATOH SUGURU (JP)
ENOKIDO YASUSHI (JP)
OKADA SHUSUKE (JP)
TAKAGI KENTA (JP)
International Classes:
B22F9/20; C22C1/04; C22C28/00; C22C38/00; H01F1/055; H01F41/02
Domestic Patent References:
| WO2018163967A1 | 2018-09-13 |
Foreign References:
| JP2007119909A | 2007-05-17 | |||
| JP2009088121A | 2009-04-23 | |||
| JP2008505500A | 2008-02-21 | |||
| JP2018186255A | 2018-11-22 | |||
| JPH06310316A | 1994-11-04 | |||
| JP2018127716A | 2018-08-16 | |||
| JPH04268046A | 1992-09-24 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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