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Effect of niobium on glass-formation ability and soft magnetic properties of Gd-doping glassy alloys

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【Author】 LIU Xuan, DING Yanhong, ZHAO Shuisheng , LONG Yi, YE Rongchang , CHANG Yongqin (School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China)

【机构】 School of Materials Science and Engineering University of Science and Technology Beijing； School of Materials Science and Engineering University of Science and Technology Beijing； Beijing 100083 China； Beijing 100083 China；

【摘要】 The effect of niobium on glass-formation ability and soft magnetic properties were studied in Fe-Gd-B glassy alloys. The glassy alloys exhibited high glass-formation ability when the element of Nb was added. Bulk glassy rod (Fe0.87Co0.13)68.5Gd3.5Nb3B25 with a diameter up to 3 mm was produced by copper mold casting. The size of the atom might play an important role in increasing glass-formation ability. The coercive force of glassy (Fe0.87Co0.13)71.5-xGd3.5NbxB25 (x=1.2, 1.5, 2, 2.5, 3, 4) alloys decreased after the addition of niobium element and was in the range of 1.5-2.9 A/m. The permeability spectrum of (Fe0.87Co0.13)70.3Gd3.5Nb1.5B25 glassy ribbon showed that the relaxation fre- quency (f0) was 6.1 MHz.更多还原

【Abstract】 The effect of niobium on glass-formation ability and soft magnetic properties were studied in Fe-Gd-B glassy alloys. The glassy alloys exhibited high glass-formation ability when the element of Nb was added. Bulk glassy rod (Fe0.87Co0.13)68.5Gd3.5Nb3B25 with a diameter up to 3 mm was produced by copper mold casting. The size of the atom might play an important role in increasing glass-formation ability. The coercive force of glassy (Fe0.87Co0.13)71.5-xGd3.5NbxB25 (x=1.2, 1.5, 2, 2.5, 3, 4) alloys decreased after the addition of niobium element and was in the range of 1.5–2.9 A/m. The permeability spectrum of (Fe0.87Co0.13)70.3Gd3.5Nb1.5B25 glassy ribbon showed that the relaxation fre- quency (f0) was 6.1 MHz.更多还原

【关键词】 iron-based glassy alloys； glass-formation ability； soft magnetic properties； permeability spectrum； rare earths；
【Key words】 iron-based glassy alloys； glass-formation ability； soft magnetic properties； permeability spectrum； rare earths；

【基金】 Project supported by the National Natural Science Foundation of China (50471094)

【文献出处】 Journal of Rare Earths ,稀土学报(英文版) , 编辑部邮箱 ,2008年01期

【分类号】TG139.8
【被引频次】2
【下载频次】30

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