铁基合金薄带多次等温回火特性的研究

许校嘉; 方峥; 陆轩昂; 叶慧群; 范晓珍; 郑金菊; 何兴伟; 郭春羽; 李文忠; 方允樟

doi:10.7498/aps.68.20190017

摘要

Fe基合金薄带的磁性能对应力敏感, 特别是退火过程应力感生磁各向异性是否可以用回火方法消除, 是一个令人感兴趣的科学问题. 本文采用同步辐射X射线衍射技术, 观测Fe_73.5Cu1Nb₃Si_13.5B₉非晶薄带经外加394.7 MPa应力540 ℃保温30 min退火后, 进行多次等温回火样品的微观结构, 用SupereyesB011型显微摄像机记录样品应力退火和回火过程的宏观伸长量, 并利用HP4294A型阻抗分析仪测量相应样品的磁各向异性. 对实验数据进行曲线拟合后发现, 虽然应力退火过程的残余应力引起的晶格各向异性是产生磁各向异性的主要原因, 但不是唯一原因, 在应力退火过程中非晶基底的蠕变引起的纳米晶晶粒定向团聚, 也是应力退火感生磁各向异性的重要原因; 而且, 因应力退火过程中非晶基底的蠕变引起纳米晶晶粒定向团聚感生的磁各向异性无法用等温回火方法完全消除.

关键词:

Abstract

The magnetic properties of Fe-based alloy ribbons are sensitive to stress, and it’s an interesting scientific question whether stress-induced magnetic anisotropy during annealing procedure can be eliminated by tempering. In this paper, the synchrotron radiation technique was used to observe the microstructure of Fe_73.5Cu1Nb₃Si_13.5B₉ amorphous ribbons annealed at 540 ℃ for 30 minutes under 394.7MPa stress and tempered several times at the same temperature. The macroscopic elongation of the samples during stress annealing and tempering was recorded by SupereyesB011 microcamera, and the magnetic anisotropy of the samples was measured by HP4294A impedance analyzer. After fitting the experimental data, it is found that: (a) The lattice anisotropy, macroscopic strain and magnetic anisotropy of the sample show negative exponential attenuation with the tempering times, and their final residual are 19.04%. 98.27% and 31.65%. (b) Multiple tempering can not completely eliminate lattice anisotropy, macroscopic strain and magnetic anisotropy induced by stress annealing. (c) The magnetic anisotropy of the sample has a linear relationship with the lattice anisotropy, but the intercept between the reverse extension line of the relation curve and the longitudinal coordinate is not zero. When the lattice anisotropy is zero, there is still 16.36% magnetic anisotropy. This is different from Ohnuma's conclusion that lattice anisotropy is the direct cause of magnetic anisotropy. (d) The structure anisotropy caused by the residual stress after stress annealing is the main cause of magnetic anisotropy, but it is not the only reason. The directional congregation of agglomerated nanocrystalline grains caused by creep of amorphous substrates during stress annealing is also an important cause of magnetic anisotropy induced by stress annealing. Moreover, the magnetic anisotropy induced by the directional congregation of agglomerated nanocrystalline grains due to the creep of amorphous substrates during stress annealing can not be completely eliminated by tempering.

Keywords:

PACS:

作者及机构信息

1.
浙江师范大学物理与电子信息工程学院, 金华　321004

2.
浙江师范大学浙江省固态光电器件重点实验室, 金华　321004

3.
浙江旅游职业学院, 杭州　311231

4.
新疆大学科技学院阿克苏校区, 阿克苏　843100

通信作者: 方允樟, fyz@zjnu.cn

基金项目: 国家重点基础研究发展计划(批准号: 2012CB825705)、浙江省重点研发计划项目(批准号: 2018C01G2031345)、浙江省自然科学基金(批准号: LY14A040003)和国家自然科学基金(批准号: 51771083)资助的课题.

Authors and contacts

1.
College of Physics, Electronic and Information Engineering, Zhejiang Normal University, Jinhua 321004, China

2.
Key Laboratory of Solid State Optoelectronic Devices of Zhejiang Povince, Zhejiang Normal University, Jinhua 321004, China

3.
Tourism College of Zhejiang, Hangzhou 311231, China

4.
College of Science and Technology, Xinjiang University, Akesu 843100, China

Corresponding author: Fang Yun-Zhang, fyz@zjnu.cn

Funds: Project supported by the National Basic Research Program of China (Grant No. 2012CB825705), the Key Research Program of Zhejiang Province, China (Grant No. 2018C01G2031345), the Natural Science Foundation of Zhejiang Pvovince, China (Grant No. LY14A040003) and the National Natural Science Foundation of China (Grant No. 51771083).

文章全文

参考文献

[1]	Yoshizawa Y, Oguma S, Yamauchi K 1988 J. Appl. Phys. 64 6044 Google Scholar
[2]	Yoshizawa Y, Yamauchi K 1990 Mater. Trans. 31 307 Google Scholar
[3]	Yoshizawa Y, Yamauchi K 1991 Mat. Sci. Eng. A: Struct. 133 176 Google Scholar
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[7]	Kraus L, Zavěta K, Heczko O, Duhaj P, Vlasak G, Schneider J 1992 J. Magn. Magn. Mater. 112 275 Google Scholar
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图 1 经应力退火和回火的Fe基薄带的XRD谱

Fig. 1. XRD peaks map of stress annealing and tempering ribbons

下载: 全尺寸图片幻灯片

图 2 Fe基合金薄带残余晶格各向异性与回火次数的关系曲线

Fig. 2. Relationship between the residual structure anisotropy and tempering times

下载: 全尺寸图片幻灯片

图 3 Fe基合金薄带残余宏观应变与回火次数的关系曲线

Fig. 3. Relationship between the residual macroscopic strain and tempering times of the ribbon

下载: 全尺寸图片幻灯片

图 4 薄带应力退火和多次回火的GMI曲线

Fig. 4. GMI curves of stress annealing and multiple tempering ribbons.

下载: 全尺寸图片幻灯片

图 5 Fe基合金薄带残余磁各向异性与回火次数的关系曲线

Fig. 5. Relationship between the residual magnetic anisotropy and tempering times of the ribbon.

下载: 全尺寸图片幻灯片

图 6 Fe基合金薄带残余磁各向异性与残余晶格各向异性的关系

Fig. 6. Relationship between the residual magnetic anisotropy and the residual structure anisotropy of the ribbon

下载: 全尺寸图片幻灯片

表 1 (7), (9)和(11)式的参数比较

Table 1. Comparison of parameters between equation (7), (9) and (11).

	常数项	指数项	拟合优度
残余晶格各向异性 $\alpha$ /%	19.04	$80.93 \times {{\rm{e}}^{ - n/0.51}}$	0.99829
残余宏观应变 $\delta$ /%	98.27	$1.73 \times {{\rm{e}}^{ - n/0.48}}$	0.99913
残余磁各向异性 $\gamma$ /%	31.65	$68.30 \times {{\rm{e}}^{ - n/0.56}}$	0.99604

下载: 导出CSV

map

[1]	Yoshizawa Y, Oguma S, Yamauchi K 1988 J. Appl. Phys. 64 6044 Google Scholar
[2]	Yoshizawa Y, Yamauchi K 1990 Mater. Trans. 31 307 Google Scholar
[3]	Yoshizawa Y, Yamauchi K 1991 Mat. Sci. Eng. A: Struct. 133 176 Google Scholar
[4]	Tejedor M, Hernando B, Sanchez M L, Prida V M, Garciabeneytez J M, Vazquez M, Herzer G 1998 J. Magn. Magn. Mater. 185 61 Google Scholar
[5]	Herzer G 1992 J. Magn. Magn. Mater. 112 258 Google Scholar
[6]	Yoshizawa Y, Yamauchi K 1989 IEEE Trans. Magn. 25 3324 Google Scholar
[7]	Kraus L, Zavěta K, Heczko O, Duhaj P, Vlasak G, Schneider J 1992 J. Magn. Magn. Mater. 112 275 Google Scholar
[8]	Fukunaga H, Furukawa N, Tanaka H, Nakano M 2000 J. Appl. Phys. 87 7103 Google Scholar
[9]	Herzer G 1994 IEEE Trans. Magn. 30 4800 Google Scholar
[10]	方允樟, 郑金菊, 施方也, 吴锋民, 孙怀君, 林根金, 杨晓红, 满其奎, 叶方敏 2008 中国科学: E辑技术科学 38 428 Google Scholar Fang Y Z, Zheng J J, Shi F Y, Wu F M, Sun H J, Lin G J, Yang X H, Man Q K, Ye F M 2008 Sci. Sin. E: Tech. 38 428 Google Scholar
[11]	Ohnuma M, Hono K, Yanai T, Nakano M, Fukunaga H, Yoshizawa Y 2005 Appl. Phys. Lett. 86 152513 Google Scholar
[12]	Hofmann B, Kronmüller H 1996 J. Magn. Magn. Mater. 152 91 Google Scholar
[13]	Ohnuma M, Hono K, Yanai T, Fukunaga H, Yoshizawa Y 2003 Appl. Phys. Lett. 83 2859 Google Scholar
[14]	Ohnuma M, Herzer G, Kozikowski P, Polak C, Budinsky V, Koppoju S 2012 Acta Mater. 60 1278 Google Scholar
[15]	杨全民, 王玲玲, 孙德成 2005 54 5730 Google Scholar Yang Q M, Wang L L, Sun D C 2005 Acta Phys. Sin. 54 5730 Google Scholar
[16]	杨全民, 王玲玲 2005 54 4256 Google Scholar Yang Q M, Wang L L 2005 Acta Phys. Sin. 54 4256 Google Scholar
[17]	Nutor R K, Xu X J, Fan X Z, Ren S S, He X W, Fang Y Z 2018 J. Magn. Magn. Mater. 454 51 Google Scholar
[18]	Nutor R K, Fan X Z, He X W, Xu X J, Lu X A, Jiang J Z, Fang Y Z 2019 J. Alloy. Compd. 774 1243 Google Scholar
[19]	施方也, 方允樟, 孙怀君, 郑金菊, 林根金, 吴锋民 2007 56 4009 Google Scholar Shi F Y, Fang Y Z, Sun H J, Zheng J J, Lin G J, Wu F M 2007 Acta Phys. Sin. 56 4009 Google Scholar
[20]	Fang Y Z, Zheng J J, Wu F M, Xu Q M, Zhang J Q, Ye H Q, Zheng J L, Li T Y 2010 Appl. Phys. Lett. 96 92508 Google Scholar

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