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Acta Metall Sin  1993, Vol. 29 Issue (1): 93-96    DOI:
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RAPIDLY QUENCHED Sm-Fe-N AND ITS RESIN-BONDED MAGNET
HE Junfang;XU Xiarong;YAO Guolan;ZHAO Hang;ZHAO Fengming;JING Fucheng Institute of Metal Research; Academia Sinica; Shenyang
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HE Junfang;XU Xiarong;YAO Guolan;ZHAO Hang;ZHAO Fengming;JING Fucheng Institute of Metal Research; Academia Sinica; Shenyang. RAPIDLY QUENCHED Sm-Fe-N AND ITS RESIN-BONDED MAGNET. Acta Metall Sin, 1993, 29(1): 93-96.

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Abstract  Almost single phase Sm_(2+x)Fe_(17) alloy containing minute α-Fe may be preparedby melt-spun at x=0.7. After ball milling and nitriding, α-Fe is still controlled below 3.0wt-%. The primary phase is intense uniaxial anisotropic Sm_2Fe_(17) at room temperature. Therapidly quenched alloy grains are approaching to mono-domain of high coercity. The bestmagnetic properties obtained are: B_r=0.7 T, H_c=761.0 kA / m, (BH)=45.6 kJ/ m~3,T_c=475℃.
Key words:  nitride      permanent magnet      rapid quenching     
Received:  18 January 1993     
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