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本文通过铜模吸铸法和单辊甩带法分别制备出一系列楔形试样和非晶条带试样, 系统研究了稀土金属Y对Fe78Si9B13合金非晶形成能力及其软磁性能的影响. 结果表明, 少量Y取代 Fe-Si-B 非晶合金中的Fe 可大大提高该合金的非晶形成能力并促进过冷液相区的产生. 当Y含量为3 at.%时, 合金具有最大的非晶形成能力, 其临界厚度为313 μm, 相应的非晶过冷液相区宽度达到65 K. 该系列非晶合金具有优良的软磁性能, 其矫顽力(Hc)均低于200 A/m, Y含量为1 at.%时, 饱和磁感应强度(Bs) 达到最大值1.67 T.Addition of rare earth elements can significantly improve the glass forming ability of Fe-based alloys. But the magnetic domain that most of the rare earths possess themselves always worsens soft magnetic properties of the alloys. By contrast, the rare earth element Y does not have this kind of magnetic domain itself, and is an ideal candidate to add to the Fe-based amorphous alloys as soft magnetic materials. In order to systematically study the effect of partial substitution of Fe in Fe78Si9B13 alloy with rare earth element Y on glass forming ability and soft magnetic properties, a series of wedge-shaped specimens and amorphous ribbons are prepared by copper mold suction casting and melt spinning respectively. It is found that the replacement of Fe by minor Y enhances the glass forming ability of the alloy. When 3 at.% Fe is replaced, the critical thickness and supercooled liquid region of the amorphous alloy reach their maximum values, 313 μm and 65 K, respectively. The amorphous alloys have excellent soft magnetic properties: coercive force (Hc) all bellow 200 A/m and saturation magnetic induction (Bs) all above 1.30 T. Specially, Bs reaches a maximal value, 1.67 T, when 1 at.% Fe is substituted.
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Keywords:
- Fe-based metallic glass /
- rare earth element /
- glass forming ability /
- soft magnetic property
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[2] Chen J C, Shen B Y, Zhan W S, Zhao J G 1986 Acta Phys. Sin. 35 979 (in Chinese) [陈金昌, 沈保根, 詹文山, 赵见高 1986 35 979]
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[5] Rong C B, Zhao Y H, Xu M, Zhao H H, Cheng L Z, He K Y 2001 Acta Phys. Sin. 50 2235in Chinese) [荣传兵, 赵玉华, 徐民, 赵恒和, 程力智, 何开元 2001 50 2235]
[6] Pang S, Zhang T, Asami K, Inoue A 2001 Mater. Trans. 42 376
[7] Rong C B, Zhao Y H, Cheng L Z, Xu M, He K Y, Zhao H H 2002 Phys. Rev. 11 77
[8] Inoue A, Shen B L 2004 Mater. Sci. Eng. A 375-377 302
[9] Inoue A, Shen B L, Chang C T 2006 Intermetallics 14 936
[10] Makino A, Kubota T, Makabe M, Chang C T, Inoue A 2008 Mater. Sci. Eng. B 148 166
[11] Ma H J, Zhang J T, Li G H, Zhang W X, Wang W M 2010 J. Alloys Comp. 501 227
[12] Lin S L, Chen S F, Chen J K, Lin Y L 2010 Intermetallics 18 1826
[13] Yapp R, Watts B E, Leccabue F 2000 J. Magn. Magn. Mater. 215-216 300
[14] Jung H Y, Yi S 2010 Intermetallics 18 1936
[15] Lin C Y, Tien H Y, Chin T S 2005 Appl. Phys. Lett. 86 162501
[16] Betancourt I, Baez S 2009 J. Non-Cryst. Solids 355 1202
[17] Lu Z P, Liu C T, Porter W D 2003 Appl. Phys. Lett. 83 2581
[18] Takeuchi A, Inoue A 2005 Mater. Trans. JIM 46 2817
[19] Lu Z P, Liu C T, Thompson J R, Porter W D 2004 Phys. Rev. Lett. 92 245503
[20] Inoue A, Shinohara Y, Gook J S 1995 Mater. Trans. JIM 36 1427
[21] Tian S 2008 Physical Properties of Materials (Beijing: Beijing University of Aeronautics and Astronautics Press) p258 (in Chinese) [田莳 材料物理性能 (北京: 北京航空航天大学出版社) 第258页]
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[1] Duwez P, Lin S C H 1967 J. Appl. Phys. 38 4096
[2] Chen J C, Shen B Y, Zhan W S, Zhao J G 1986 Acta Phys. Sin. 35 979 (in Chinese) [陈金昌, 沈保根, 詹文山, 赵见高 1986 35 979]
[3] Che G C, Shen B G, Zhao J G, Zhan W S, Liang J K 1987 Acta Phys. Sin. 36 483(in Chinese) [车广灿, 沈保根, 赵见高, 詹文山, 梁敬魁 1987 36 483]
[4] Shen B L, Koshiba H, Mizushima T, Inoue A 2000 Mater. Trans. JIM 41 873
[5] Rong C B, Zhao Y H, Xu M, Zhao H H, Cheng L Z, He K Y 2001 Acta Phys. Sin. 50 2235in Chinese) [荣传兵, 赵玉华, 徐民, 赵恒和, 程力智, 何开元 2001 50 2235]
[6] Pang S, Zhang T, Asami K, Inoue A 2001 Mater. Trans. 42 376
[7] Rong C B, Zhao Y H, Cheng L Z, Xu M, He K Y, Zhao H H 2002 Phys. Rev. 11 77
[8] Inoue A, Shen B L 2004 Mater. Sci. Eng. A 375-377 302
[9] Inoue A, Shen B L, Chang C T 2006 Intermetallics 14 936
[10] Makino A, Kubota T, Makabe M, Chang C T, Inoue A 2008 Mater. Sci. Eng. B 148 166
[11] Ma H J, Zhang J T, Li G H, Zhang W X, Wang W M 2010 J. Alloys Comp. 501 227
[12] Lin S L, Chen S F, Chen J K, Lin Y L 2010 Intermetallics 18 1826
[13] Yapp R, Watts B E, Leccabue F 2000 J. Magn. Magn. Mater. 215-216 300
[14] Jung H Y, Yi S 2010 Intermetallics 18 1936
[15] Lin C Y, Tien H Y, Chin T S 2005 Appl. Phys. Lett. 86 162501
[16] Betancourt I, Baez S 2009 J. Non-Cryst. Solids 355 1202
[17] Lu Z P, Liu C T, Porter W D 2003 Appl. Phys. Lett. 83 2581
[18] Takeuchi A, Inoue A 2005 Mater. Trans. JIM 46 2817
[19] Lu Z P, Liu C T, Thompson J R, Porter W D 2004 Phys. Rev. Lett. 92 245503
[20] Inoue A, Shinohara Y, Gook J S 1995 Mater. Trans. JIM 36 1427
[21] Tian S 2008 Physical Properties of Materials (Beijing: Beijing University of Aeronautics and Astronautics Press) p258 (in Chinese) [田莳 材料物理性能 (北京: 北京航空航天大学出版社) 第258页]
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