合金粒子の製造方法および合金粒子

Japanese Patent JP7137830

B2

To provide a manufacturing method of alloy particles of a rare earth element and a transition metal, which are substantially single crystals and have a TbCutype crystal phase.SOLUTION: The manufacturing method of alloy particles of rare earth element and a transition metal is provided that includes a step (1) of preparing fine particles including iron (Fe), and a step (2) of performing a reduction diffusion reaction of a rare earth compound in a molten salt in the presence of a reducing agent and the fine particles, thereby alloying the rare earth element included in the rare earth compound and the fine particles, wherein the reducing agent is calcium metal (Ca) and/or calcium hydride (CaH), wherein the rare earth compound includes at least one selected from samarium (Sm) and neodymium (Nd) as a rare earth element, and wherein the molten salt includes a halide of an alkali metal and/or an alkaline earth metal.SELECTED DRAWING: Figure 1

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Shusuke Okada
Kenta Takagi

JP2018135182A

September 15, 2022

July 18, 2018

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National Institute of Advanced Industrial Science and Technology

H01F41/02; H01F1/053; H01F7/02

JP2005223263A
JP2013083001A
JP63105909A
JP2001335815A
JP2018100450A

Tadashige Ito
Tadahiko Ito

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