Fe基纳米晶合金晶粒尺寸反常变化的物理机制

杨卫明; 刘海顺; 敦超超; 赵玉成; 窦林名

doi:10.7498/aps.61.106802

摘要

晶粒尺寸在很大程度上决定了Fe基纳米晶合金的磁学性能,其随退火温度变化的物理机理是纳米晶领域重要的研究内容.研究了初始晶化温度与二次晶化温度之间退火1 h Fe基纳米晶合金晶粒尺寸随退火温度的变化,并建立了相应的模型.利用提出的模型分析了该温度范围内Fe基纳米晶合金晶粒尺寸随退火温度升高先减小后增大的物理机制. 研究发现,在初始晶化温度与二次晶化温度之间等时退火,当退火温度约为Fe基纳米晶合金熔点的0.6倍时其晶粒尺寸最小.在研究的温度区间内,理论研究结果与实验符合得较好. 本研究提供了一种快速获得小晶粒尺寸纳米晶合金的方法.

关键词:

Abstract

The magnetic properties of the Fe-based nanocrystalline alloys are determined mainly by their grain sizes, and the mechanism of the variation of grain size with annealing temperature is an important issue in the study of nanocrystalline alloys. In this paper, the relationships between grain size and annealing temperature for these alloys within the primary crystallization temperature (Tx1) and the secondary crystallization temperature (Tx2) for 1 h are investigated, and a corresponding model is proposed. The physical mechanism of the fact that the grain size first decreases and then increases with the increase of annealing temperature is explained by using this model. It is found that the grain size has a minimum value when these alloys are isochronally annealed at the temperature near 0.6 times that of the melting point. Theoretical analysis results are found to be in agreement with the experiments data within the investigated temperature range. This investigation provides a means to obtain the smallest grain size quickly.

Keywords:

作者及机构信息

1.
中国矿业大学理学院, 徐州 221116;

2.
中国矿业大学煤炭资源与安全开采国家重点实验室, 徐州 221008;

3.
中国矿业大学力学与建筑工程学院, 徐州 221116

基金项目: 国家重点基础研究发展计划(批准号: 2010CB226805)和国家自然科学基金(批准号: 51074155, 50834004)资助的课题.

Authors and contacts

1.
School of Sciences, China University of Mining and Technology, Xuzhou 221116, China;

2.
State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou 221008, China;

3.
School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China

Funds: Project supported by the National Basic Research Program of China (Grant No. 2010CB226805) and the National Natural Science Foundation of China (Grant Nos. 51074155, 50834004).

参考文献

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施引文献

[1]	Inoue A, Shen B L, Koshiba H, Kato H, Yavari A R 2003 Nat. Mater. 2 661
[2]	Shen B L, Zhou Y J, Chang C T, Inoue A 2007 J. Appl. Phys. 101 09N101
[3]	Fan X D, Ma A B, Men H, Xie G Q, Shen B L, Makino A, Inoue A 2011 J. Appl. Phys. 109 07A314
[4]	Li Y F, Feng S Q, Wang J Y 2011 Acta Phys. Sin. 60 037306 (in Chinese) [李印峰, 封素芹, 王建勇 2011 60 037306]
[5]	Han Y M, Wang Z, Che X H, Chen X G, Li W R, Li Y L 2009 Mater. Sci. Eng. B 156 57
[6]	Li A H, Lai B, Wang H J, Zhu M G, Li W 2011 Acta Phys. Sin. 60 027501 (in Chinese) [李安华, 赖彬, 王会杰, 朱明刚, 李卫 2011 60 027501]
[7]	Ding Y H, Li M J, Yang B H, Ma X 2011 Acta Phys. Sin. 60 097502 (in Chinese) [丁燕红, 李明吉, 杨保和, 马叙 2011 60 097502]
[8]	Herzer G 2005 J. Magn. Magn. Mater. 294 99
[9]	Yang Q M, Xu Q M, Fang Y Z, Mo C J 2009 Acta Phys. Sin. 58 4072 (in Chinese) [杨全民, 许启明, 方允樟, 莫婵娟 2009 58 4072]
[10]	Ji S, Yang G B, Wang R 1996 Acta Phys. Sin. 45 2061 (in Chinese) [纪松, 杨国斌, 王润 1996 45 2061]
[11]	Gao J E, Li H X, Jiao Z B, Wu Y, Chen Y H, Yu T, Lu Z P 2011 Appl. Phys. Lett. 99 052504
[12]	Liu H S, Wu Y, Zhang G Y, Yin C H, Du Y W 2008 J. Magn. Magn. Mater. 320 1705
[13]	Yang Q M, Xu Q M, Fang Y Z, Wang L L, Shi F Y 2007 Acta Phys. Sin. 57 3366 (in Chinese) [杨全民, 许启明, 方允樟, 王玲玲, 施方也 2007 57 3366]
[14]	Wang Z, He K Y, Yin J, Zhao Y H 1997 Acta Phys. Sin. 46 2054 (in Chinese) [王治, 何开元, 尹君, 赵玉华 1997 46 2054]
[15]	Darling K A, Chan R H, Wong P Z, Semones J E, Scattergood R O, Koch C C 2008 Scripta Mater. 59 530
[16]	Ramanujan R V, Zhang Y R 2006 Phys. Rev. B 74 224408
[17]	Shen T D, Schwarz R B, Thompson J D 2005 Phys. Rev. B 72 014431
[18]	Jiang J Z 1997 Nanostr. Mater. 9 245
[19]	Hermann H, Mattern N, Roth S, Uebele P 1997 Phys. Rev. B 56 13888
[20]	Tong H Y, Ding B Z, Jiang H G, Lu K, Wang J T, Hu Z Q 1994 J. Appl. Phys. 75 654
[21]	Herzer G 1997 Handbook on Magnetic Materials 10 415
[22]	Kulik T, Hernando A 1994 J. Magn. Magn. Mater. 138 270
[23]	Hoa L T M 2006 J. Alloys Compd. 420 50
[24]	Bzazhkin V V, Larchev V I, Popova S V, Skrotskaya G G 1989 Phys. Scripta 39 338
[25]	Fecht H J 1995 Mater. Trans. 36 777
[26]	Yao B, Guo H C, Wang J, Ding B Z, Li H, Wang A M, Hu Z Q 1996 Physica B 228 379
[27]	Guo Y C, Wang Z X 1984 Amorphous State Physics (Beijing: Science Press) p129 (in Chinese) [郭贻诚, 王震西 1984 非晶态物理学 (北京:科学出版社) 第129页]
[28]	Lu K, Wang J T 1992 Sci. China. Ser. A 36 554 (in Chinese) [卢柯, 王景唐 1992 中国科学A辑 36 554]
[29]	Tang J C, Mao X Y, Li S D, Gao W L, Du Y W 2004 J. Alloys Compd. 375 233
[30]	Lu K, Wang J T 1992 Sci. China. Ser. A 36 414 (in Chinese) [卢柯, 王景唐 1992 中国科学A辑 36 414]
[31]	Lu K 1994 Acta Metall. Sin. 30 B1 (in Chinese) [卢柯 1994 金属学报 30 B1]
[32]	Liang X, Kulik T, Ferenc J, Xu B 2007 J. Magn. Magn. Mater. 308 227
[33]	Ghannami M E I, Kulik T, Hernando A, Fernández B L, Gómez S J C, Gorria P, Barandiarán J M 1994 J. Magn. Magn. Mater. 133 314
[34]	Zhang S Y 2004 J. Magn. Mater. Devices 35 1 (in Chinese) [张世远 2004 磁性材料及器件 35 1]

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