[S1] Element strategy for high performance permanent magnets 8 -Fundamental and basic research toward next-generation novel materials-

[S1.30] Microstructure engineering towards realizing coercivity in SmFe₁₂-based permanent magnets

*Srinithi A.　K.^1,2, Hossein Sepehri-Amin^2,4, Xin Tang², Pelin Tozman², Shintaro Kobayashi³, Tetsuya Nakamura^2,4, Tadakatsu Ohkubo², Kazuhiro Hono^1,2 (1. University of Tsukuba、2. National Institute for Materials Science、3. Japan Synchrotron Radiation Research Institute、4. Tohoku University)

Keywords:SmFe₁₂-compound、microstructure、phase diagram、coercivity

Quinary Sm-(Fe,Co)-Ti-M systems around the 1:12 compound were studied and M=Cu shows the preferred phase constituents. The microstructure of M=Cu system should further be tuned to realize coercivity.