Research on Preparation of Sm-Fe-N Anisotropic Magnetic Powder by Nitriding Melt-Spun Sm2Fe17 Fine Columnar Crystals
PROCEEDINGS OF THE 2016 4TH INTERNATIONAL CONFERENCE ON SENSORS, MECHATRONICS AND AUTOMATION (ICSMA 2016)(2016)
Abstract
The Sm2Fe17 fine columnar crystals ribbon was obtained by melt-spinning at 6m/s surface rotating velocity of Cu wheel and in suitable thickness of ribbon. Preparation process of its nitride powder was primarily explored by means of XRD, SEM and the measurement of magnetic properties. The columnar crystal texture of Sm2Fe17 in the ribbon is very beneficial to increase magnetic anisotropy of its nitride Sm-Fe-N powder prepared through powder metallurgy process.
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Key words
Sm-Fe Alloy,Melt-Spinning,Columnar Crystals,Sm2Fe17Nx
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