环形Fe-Ga合金动态磁导率和损耗分析
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摘要
Fe-Ga合金的动态磁导率和损耗是研究Fe-Ga合金器件设计和应用的基础。为了研究高频Fe-Ga合金传感器,首先需要分析Fe-Ga合金的动态磁导率和损耗。该文建立了环形Fe-Ga合金动态磁导率和损耗模型,并采用AMH-1M-S型动态磁特性测试系统测量了不同磁场频率下Fe-Ga合金弹性磁导率、黏滞性磁导率和损耗因数曲线,利用阻抗分析仪测试环形Fe-Ga合金的电阻和电感,通过模型计算出不同频率下的环形Fe-Ga合金的弹性磁导率和黏滞性磁导率,分析了弹性磁导率和黏滞性磁导率随磁场频率的变化情况。结果表明,随着磁场频率增大,弹性磁导率先下降后升高,黏滞性磁导率不断升高,模型计算结果与实验结果一致。损耗因数随着磁场频率的增加先增加后降低最后趋于平稳。电磁损耗和介质储能随着磁场频率的增加逐渐增大。
The dynamic permeability and energy loss are the basis for the design and application of Fe-Ga alloy device. It is necessary to analyze the dynamic permeability and energy loss before studying the high frequency Fe-Ga alloy sensor. In this paper, the dynamic permeability and loss model of ringshaped Fe-Ga alloy is proposed, elastic permeability curve, viscous permeability curve and loss factor are measured using the AMH-1M-S dynamic magnetic property testing system under the different magnetic field frequency. Impedance and inductance values of ring-shaped Fe-Ga alloy are measured using the impedance analyzer. The elastic permeability and viscous permeability of the ring-shaped Fe-Ga alloy at different frequencies are calculated. The changes of the elastic permeability and the viscous permeability with the magnetic field frequency are analyzed. The results show that with the magnetic field frequency increasing, the elastic permeability firstly falls and then rises and viscous permeability constantly rises, the model calculation results are consistent with the experimental results. With the increasing of the magnetic field frequency, the loss factor increases first, then decreases and finally tends to be stable. The electromagnetic loss and media energy storage are both increasing with increasing frequency.
The dynamic permeability and energy loss are the basis for the design and application of Fe-Ga alloy device. It is necessary to analyze the dynamic permeability and energy loss before studying the high frequency Fe-Ga alloy sensor. In this paper, the dynamic permeability and loss model of ringshaped Fe-Ga alloy is proposed, elastic permeability curve, viscous permeability curve and loss factor are measured using the AMH-1M-S dynamic magnetic property testing system under the different magnetic field frequency. Impedance and inductance values of ring-shaped Fe-Ga alloy are measured using the impedance analyzer. The elastic permeability and viscous permeability of the ring-shaped Fe-Ga alloy at different frequencies are calculated. The changes of the elastic permeability and the viscous permeability with the magnetic field frequency are analyzed. The results show that with the magnetic field frequency increasing, the elastic permeability firstly falls and then rises and viscous permeability constantly rises, the model calculation results are consistent with the experimental results. With the increasing of the magnetic field frequency, the loss factor increases first, then decreases and finally tends to be stable. The electromagnetic loss and media energy storage are both increasing with increasing frequency.
引文
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[2]黄文美,薛胤龙,王莉,等.考虑动态损耗的超磁致伸缩换能器的多场耦合模型[J].电工技术学报,2016,31(7):173-178.Huang Wenmei,Xue Yinlong,Wang Li,et al.Multifield coupling model considering dynamic losses for giant magnetostrictive transducers[J].Transactions of China Electrotechnical Society,2016,31(7):173-178.
[3]曾建斌,白保东,曾庚鑫,等.考虑压力变化的超磁致伸缩超声换能器动态模型[J].电工技术学报,2012,27(10):215-219.Zeng Jianbin,Bai Baodong,Zeng Gengxin,et al.Dynamic models of giant magnetostrictive ultrasonic transducer taking account into variable pressure[J].Transactions of China Electrotechnical Society,2012,27(10):215-219.
[4]卢诗华,于歆杰,楼国锋.磁电层合大电流传感器的改进和性能分析[J].电工技术学报,2017,32(19):90-99.Lu Shihua,Yu Xinjie,Lou Guofeng.Modification and performance analysis on a magnetoelectric laminate based high-current sensor[J].Transactions of China Electrotechnical Society,2017,32(19):90-99.
[5]张洪平,徐立红,王蕾,等.Fe81Ga19磁致伸缩合金的动态磁导率研究[J].金属功能材料,2010,17(2):20-22.Zhang Hongping,Xu Lihong,Wang Lei,et al.Dynamic magnetic permeability of Fe81Ga19magnetostrictive alloy[J].Metallic Functional Materials,2010,17(2):20-22.
[6]袁惠群,孙华刚.超磁致伸缩材料内部磁场特性及材料参数对其影响分析[J].中国电机工程学报,2008,28(30):119-124.Yuan Huiqun,Sun Huagang.Inner magnetic field characteristic of giant magnetostrictive materials and effects of the materials parameters on the characteristic[J].Proceedings of the CSEE,2008,28(30):119-124.
[7]舒亮,李传,吴桂初,等.Fe-Ga合金磁致伸缩力传感器磁化模型建立与特性分析[J].农业机械学报,2015,46(5):344-349.Shu Liang,Li Chuan,Wu Guichu,et al.Magnetization model of Fe-Ga magnetostrictive force sensor and its characteristics[J].Transactions of the Chinese Society for Agricultural Machinery,2015,46(5):344-349.
[8]Scheidler J J,Asnani V M,Dapino M J.Frequencydependent,dynamic sensing properties of polycrystalline Galfenol(Fe81.6Ga18.4)[J].Journal of Applied Physics,2016,119(24):043001.
[9]Zhang Baoshan,Zhe Yuan,Hu Zhao,et al.Hysteretic behavior of the dynamic permeability in FeCoB thin films[J].IEEE Transactions on Magnetics,2016,52(2):1-4.
[10]Blasi S D,Queffelec P,Dubourg S,et al.Drivenvoltage permeability variation measurements of bilayered magnetostrictive/piezoelectric materials&for tunable microwave applications[J].IEEETransactions on Magnetics,2007,43(6):2651-2653.
[11]Meng Hao,Zhang Tianli,Jiang Chengbao.Frequency dependence of loss behavior in bonded anisotropic giant magnetostrictive materials[J].IEEE Transactions on Magnetics,2014,50(9):1-4.
[12]Meng Hao,Zhang Tianli,Jiang Chengbao.Cut-off frequency of magnetostrictive materials based on permeability spectra[J].Journal of Magnetism&Magnetic Materials,2012,324(12):1933-1937.
[13]李立毅,严柏平,张成明.驱动频率对超磁致伸缩致动器的损耗和温升特性的影响[J].中国电机工程学报,2011,31(18):124-129.Li Liyi,Yan Baiping,Zhang Chengming.Influence of frequency on characteristic of loss and temperature in giant magnetostrictive actuator[J].Proceedings of the CSEE,2011,31(18):124-129.
[14]Weng Ling,Li Weina,Sun Ying,et al.High frequency characterization of Galfenol minor flux density loops[J].Aip Advances,2017,7(5):1-5.
[15]Grossinger R,Mehboob N,Suess D,et al.An eddycurrent model describing the frequency dependence of the coercivity of polycrystalline Galfenol[J].IEEETransactions on Magnetics,2012,48(11):3076-3079.
[16]翁玲,曹晓宁,胡秀玉,等.双线圈铁镓合金换能器的输出特性[J].电工技术学报,2018,33(19):4476-4485.Weng Ling,Cao Xiaoning,Hu Xiuyu,et al.Output characteristics of double coil Fe-Ga alloy transducer[J].Transactions of China Electrotechnical Society,2018,33(19):4476-4485.
[17]廖绍彬.铁磁学[M].北京:北京科学出版社,1988.
[18]Li Jiheng,Gao Xuexu,Zhu Jie,et al.Wiedemann effect of Fe-Ga based magnetostrictive wires[J].Chinese Physics B,2012,21(8):476-481.