Powder Precursors
€Sm2Co17 (= Sm(Co0.67Fe0.234Cu0.07Zr0.024)7.5)* or SmCo5 for
the hard phase [d
~ 1 mm]
€
€High crystallinity acicular-Fe
nanoparticles for soft phase [length ~ 200 nm, d ~ 20 nm]
€
€SmCo and Fe powder precursors were mixed together by
gentle milling
[*Courtesy of C. Chen,
Electron Energy Corporation]
[Courtesy of J. Nakano,
Toda Corporation]