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计量学报  2018, Vol. 39 Issue (6): 768-770    DOI: 10.3969/j.issn.1000-1158.2018.06.03
  电磁学计量 本期目录 | 过刊浏览 | 高级检索 |
铁镓合金阻抗频率特性测量与分析
翁玲1,2,梁淑智2,李薇娜2,黄文美2,王博文2
1.河北工业大学省部共建电工装备可靠性与智能化国家重点实验室, 天津 300130
2.河北工业大学河北省电磁场与电器可靠性重点实验室, 天津 300130
Measurement and Analysis of Impedance Frequency Characteristics of Fe-Ga Alloy
WENG Ling1,2,LIANG Shu-zhi2,LI Wei-na2,HUANG Wen-mei2,WANG Bo-wen2
1. State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, China
2. Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, Hebei University of Technology, Tianjin 300130, China
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摘要 通过测量铁镓合金在不同磁场下的阻抗频率特性,确定铁镓合金的柔顺系数S33和磁机械耦合系数K33,为铁镓合金在致动器和换能器等系统中的应用提供设计参考。分别测量棒状样品和片状样品在不同磁场下的阻抗频率特性,确定共振频率和反共振频率,计算S33和K33,并将片状样品与棒状样品特性参数进行对比分析。结果表明,片状和棒状样品的S33和K33随磁场的增加先增大后减小,在同一磁场下片状样品的柔顺系数小于棒状样品,片状样品的磁机械耦合系数大于棒状样品。随磁场的增加先增大后减小,在同一磁场下片状样品的柔顺系数小于棒状样品,片状样品的磁机械耦合系数大于棒状样品。
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翁玲
梁淑智
李薇娜
黄文美
王博文
关键词 计量学铁镓合金阻抗频率特性共振频率反共振频率柔顺系数磁机械耦合系数磁致伸缩    
Abstract:The softening coefficient (S33) and the magnetic mechanical coupling coefficient (K33) of Fe-Ga alloy were determined by measuring the impedance frequency characteristics of Fe-Ga under different magnetic fields, which provides a design reference for the application of Fe-Ga alloys in systems such as actuators and transducers.The resonant frequency and the anti-resonant frequency of the rod-shaped sample and the flake sample under different magnetic fields were measured by constructing the measuring device.The calculation of S33 and K33 were carried out and the characteristic parameters of the flake sample and the rod sample were compared and analyzed.The results show that S33 and K33 of rod sample and the flake sample increase first and then decrease with the increase of the magnetic field.The softening coefficient of the flake sample is smaller than that of the rod sample, and the magnetic mechanical coupling coefficient is larger than that of the rod sample.
Key wordsmetrology    Fe-Ga alloy    impedance frequency characteristic    resonant frequency    anti-resonant frequency    softening coefficient    magnetic mechanical coupling coefficient    magnetostrictive
收稿日期: 2017-08-30      发布日期: 2018-11-06
PACS:  TB972  
基金资助:国家自然科学基金 (51201055);河北省高等学校科学技术研究重点项目(ZD2015085);天津市高等学校科技发展基金计划 (20140421);河北省引进留学人员项目(CG2013003001);公益性行业(气象)科研专项(GYHY201306067-3)
通讯作者: 翁玲     E-mail: 907099367@qq.com
作者简介: 翁玲(1978-),女,河南信阳人,河北工业大学副教授,主要从事智能材料与器件研究。llweng@hebut.edu.cn
引用本文:   
翁玲,梁淑智,李薇娜,黄文美,王博文. 铁镓合金阻抗频率特性测量与分析[J]. 计量学报, 2018, 39(6): 768-770.
WENG Ling,LIANG Shu-zhi,LI Wei-na,HUANG Wen-mei,WANG Bo-wen. Measurement and Analysis of Impedance Frequency Characteristics of Fe-Ga Alloy. Acta Metrologica Sinica, 2018, 39(6): 768-770.
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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2018.06.03     或     http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2018/V39/I6/768
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