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Effect of particle size on the hydrogen-assisted disproportionation of Sm2(Fe,Ga)17-phase

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2 Author(s)
Kwon, H.W. ; Dept. of Mater. Sci. & Eng., Pukyong Nat. Univ., Pusan, South Korea ; Shon, S.W.

Effect of particle size on the disproportionation of the Ga-stabilized Sm2Fe15Ga2 alloy was examined using a DTA and TPA under hydrogen gas, it was revealed that the hydrogen-assisted disproportionation of the Ga-stabilized Sm2 Fe15Ga2 alloy was influenced significantly by its particle size. The Sm2Fe15Ga2 alloy powder with finer particle size (<40 μm) was completely disproportionated by heating up to 800°C under hydrogen even with moderate pressure (1.8 kgf/cm2)

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Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 5 )