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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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Cite this article:
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℃.
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Received: 18 January 1993
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1 Coey J M D, Trensition Sun Hong, Otnni Y. Proc 6th Int Symp on Magnstic Ansotropy and Coercivity in Rare Earth-Transition Metal Alloys, Pittsburgh, PA, October 25, 1990: 36 2 Schnitzke k, Schultz L. Weeker J, Katter M. Appl Phys Lett, 1990; 57: 2853 3 Coey J M D, Li Hong-Shou. Gavigan J P, Cadogam J M, Hu Bo-Ping. In: Mitchell I V, Coey J M D, Givord D, Harris I R. Hanitsch R eds., Concered European Action on Magnets, London: Elsevier Applied Science, 1989: 76 |
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