journal article·2023-02-01Open access

Low temperature synthesis of Sm-Fe alloy powder by reduction-diffusion process using new reductant of Li-Ca eutectic melt

Jungryang Kim, Shusuke Okada, Kenta Takagi

AIP Advances· Volume 13· Issue 2

Abstract

In this study, the low-temperature reduction-diffusion (LTRD) process using a Li-Ca reductant, which has a low eutectic point of about 230 °C, was demonstrated. The RD reaction was possible at a very low temperature of 400 °C significantly less than 850 °C, which is the lowest practicable temperature of the conventional RD process, by identifying the production of the SmFe2 phase. The LTRD process in this study also made it possible to investigate the Sm-Fe binary phases synthesized at the low temperature and the Sm-Fe phase transitions depending on the temperatures with the compositions of Sm and Fe.
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Research context

OpenAlex topics: Magnetic Properties of Alloys · Rare-earth and actinide compounds · Metallurgical and Alloy Processes

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Magnetic Powder Metallurgy Research Center, National Institute of Advanced Industrial Science and Technology (AIST) , 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-8560, Aichi, Japan

Funding

Adaptable and Seamless Technology Transfer Program through Target-Driven R and D

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