| Amorphous-crystalline dual-layer structures resulting from metastable liquid phase separation in （Fe50Co25B15Si10）80Cu20 melt-spun ribbons |
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| 引用本文： | 曹崇德,弓素莲,郭晋波,宋瑞波,孙占波,杨森,王伟民.Amorphous-crystalline dual-layer structures resulting from metastable liquid phase separation in （Fe50Co25B15Si10）80Cu20 melt-spun ribbons[J].中国物理 B,2012,21(8):86102-086102. |
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| 作者姓名： | 曹崇德 弓素莲 郭晋波 宋瑞波 孙占波 杨森 王伟民 |
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| 作者单位： | [1]Department of Applied Physics, Northwestern Polytechnic University, Xi＇an 710072, China [2]School of Science, Xi＇an Jiaotong University, Xi＇an 710049, China [3]Scool of Materials Science and Engineering, Shandong University, Ji＇nan 250061, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China （Grant Nos. 51171152 and 50871088）, the Foundation for Fundamental Research of Northwestern Polytechnic University, China （Grant No. JC201268）, and the Fund of the State Key Laboratory of Solidification Processing, China （Grant No. SKLSP201202）. |
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| 摘 要： | （Fe50Co25B15Si10）80Cu20 ribbons are prepared by using the single-roller melt-spinning method. A dual-layer structure consisting of a （Fe, Co）-rich amorphous phase and a Cu-rich crystalline phase forms due to metastable liquid phase separation before solidification. The magnetic hysteresis loops of the as-quenched and annealed samples are measured at room temperature. It is indicated that the coercivity of the ribbon is almost zero in the as-quenched state. The crystallization leads to the increase of coercivity and decrease of saturation magnetization.
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| 关 键 词： | 液相分离 双层结构 结晶相 非晶相 熔纺 饱和磁化强度 熔体纺丝 磁滞回线 |
| 收稿时间： | 2011-12-28 |
Amorphous-crystalline dual-layer structures resulting from metastable liquid phase separation in (Fe50Co25B15Si10)80Cu20 melt-spun ribbons |
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| Cao Chong-De,Gong Su-Lian,Guo Jin-Bo,Song Rui-Bo,Sun Zhan-Bo,Yang Sen,Wang Wei-Min.Amorphous-crystalline dual-layer structures resulting from metastable liquid phase separation in (Fe50Co25B15Si10)80Cu20 melt-spun ribbons[J].Chinese Physics B,2012,21(8):86102-086102. |
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| Authors: | Cao Chong-De Gong Su-Lian Guo Jin-Bo Song Rui-Bo Sun Zhan-Bo Yang Sen Wang Wei-Min |
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| Institution: | a Department of Applied Physics, Northwestern Polytechnic University, Xi'an 710072, China;b School of Science, Xi'an Jiaotong University, Xi'an 710049, China;c Scool of Materials Science and Engineering, Shandong University, Ji'nan 250061, China |
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| Abstract: | (Fe50Co25B15Si10)80Cu20 ribbons are prepared by the single-roller melt-spinning method. A dual-layer structure consisting of a (Fe, Co)-rich amorphous phase and a Cu-rich crystalline phase forms due to metastable liquid phase separation before solidification. The magnetic hysteresis loops of the as-quenched and annealed samples are measured at room temperature. It is indicated that the coercivity of the ribbon is almost zero in as-quenched state. The crystallization leads to the increase of coercivity and decrease of saturation magnetization. |
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| Keywords: | amorphous alloy rapid solidification liquid phase separation magnetic property |
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