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Acta Metall Sin  1992, Vol. 28 Issue (4): 63-67    DOI:
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MAGNETIC PROPERTIES AND CRYSTALLIZATION OF RAPIDLY QUENCHED(Fe_(1-x)Ga_x)_(77.5)Nd_4B_(18.5) ALLOYS
YANG Hongying;SHEN Baogen;YANG Linyuan;GUO Huiqun Laboratory of Magnetism; Institute of Physics; Academia Sinica; Beijing
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YANG Hongying;SHEN Baogen;YANG Linyuan;GUO Huiqun Laboratory of Magnetism; Institute of Physics; Academia Sinica; Beijing. MAGNETIC PROPERTIES AND CRYSTALLIZATION OF RAPIDLY QUENCHED(Fe_(1-x)Ga_x)_(77.5)Nd_4B_(18.5) ALLOYS. Acta Metall Sin, 1992, 28(4): 63-67.

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Abstract  The Curie temperature increases but crystallization temperature decreases withthe increase of Ga concentration, x, of amorphous (Fe_(1-x)Ga_x)_(77.5)Nd_4B_(18.5) alloys. The averagemagnetic moment of Fe atom is almost a constant. By X-ray diffraction and thermomagneticmeasurements, the crystalline phases of the alloys, an unknown phase and α-(Fe, Ga) besidesFe_3B as major one, were identified. The room temperature coercive field with related to Ga con-centration was also studied.
Key words:  (Fe      Ga) NdB magnet      amorphous alloy      magnetic property      crystallization     
Received:  18 April 1992     
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