感应式磁声无损检测技术
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摘要
针对金属材料的感应式磁声无损检测技术,采用电磁超声换能器激发并接收磁声信号,用于重建被测试件内部的电导率分布,同时具有超声无损检测的高穿透力和电磁无损检测的高灵敏度的优势。在介绍感应式磁声成像技术原理的基础上,对感应式磁声无损检测技术的研究现状进行总结归纳。同时,由于在金属材料中电导率的各向异性是普遍存在的,且对检测结果有一定的影响,还探讨了应用感应式磁声无损检测技术对电导率各向异性的金属材料进行缺陷检测的可行性,并分析了其所面临的技术难点。
Nondestructive testing(NDT)technologies can detect the surface or inherent defects on the specimen without damaging the physical properties of the tested parts.The NDT technology based on magnetoacoustic tomography with magnetic induction(MAT-MI)uses electromagnetic ultrasonic transducer to stimulate and receive magneto-acoustic(MA)signals generated by the metallic materials,which are used to reconstruct the conductivity distribution inside the specimen.It combines the advantages of high penetration of ultrasonic nondestructive testing and high sensitivity of electromagnetic nondestructive testing.This paper introduces briefly the principle of MAT-MI imaging and summarizes current research progresses of NDT technique based on MAT-MI.Moreover,the feasibility of applying MAT-MI NDT technology to detect defects in the metallic materials in the case of inhomogeneous conductivity distribution is discussed by considering the fact of conductivity anisotropy in most metallic materials,which has a certain impact on the test results.
Nondestructive testing(NDT)technologies can detect the surface or inherent defects on the specimen without damaging the physical properties of the tested parts.The NDT technology based on magnetoacoustic tomography with magnetic induction(MAT-MI)uses electromagnetic ultrasonic transducer to stimulate and receive magneto-acoustic(MA)signals generated by the metallic materials,which are used to reconstruct the conductivity distribution inside the specimen.It combines the advantages of high penetration of ultrasonic nondestructive testing and high sensitivity of electromagnetic nondestructive testing.This paper introduces briefly the principle of MAT-MI imaging and summarizes current research progresses of NDT technique based on MAT-MI.Moreover,the feasibility of applying MAT-MI NDT technology to detect defects in the metallic materials in the case of inhomogeneous conductivity distribution is discussed by considering the fact of conductivity anisotropy in most metallic materials,which has a certain impact on the test results.
引文
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[12]张顺起,刘志朋,靳静娜,等.感应式磁声耦合成像脉冲磁场激励源的设计[J].医疗卫生装备,2010,31(9):18-21.
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[14]LI X,HE B.Multi-excitation magnetoacoustic tomography with magnetic induction for bioimpedance imaging[J].IEEE Transactions on Medical Imaging,2010,29(10):1759-1767.
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[16]WANG W P,EISENBERG S R.A three-dimensional finite element method for computing magnetically induced currents in tissues[J].IEEE Transactions on Magnetics,1994,30(6):5015-5023.
[17]张媛.磁感应磁声成像的声源产生机制[J].湖州师范学院学报,2009,31(1):70-75.
[18]ZHOU L,LI X,ZHU S,et al.Magnetoacoustic tomography with magnetic induction(MAT-MI)for breast tumor imaging:numerical modeling and simulation[J].Physics in Medicine&Biology,2011,56(7):1967-1974.
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[21]张帅,侯琬姣,张雪莹,等.基于真实乳腺模型的感应式磁声成像正问题[J].电工技术学报,2016,31(24):126-133.
[22]贺文静,刘国强,张洋,等.感应式磁声成像声场正问题研究(一)——基于声压-速度耦合方程的声场模拟方法[J].现代科学仪器,2010,9(1):9-13.
[23]LI X,XU Y,HE B.Imaging electrical impedance from acoustic measurements by means of magnetoacoustic tomography with magnetic induction(MAT-MI)[J].IEEE Transactions on Biomedical Engineering,2007,54(2):323-331.
[24]MA Q,HE B.Magnetoacoustic tomography with magnetic induction:a rigorous theory[J].IEEETransactions on Biomedical Engineering,2008,55(2):813-816.
[25]张伟,马任,张顺起,等.基于声学不均匀特性的磁感应磁声成像声压解析[J].北京生物医学工程,2014,33(6):558-564.
[26]SUN X,ZHOU Y,MA Q,et al.Radiation theory comparison for magnetoacoustic tomography with magnetic induction(MAT-MI)[J].Chinese Science Bulletin,2014,59(26):3246-3254.
[27]WANG J,ZHOU Y,SUN X,et al.Acoustic source analysis of magnetoacoustic tomography with magnetic induction for conductivity gradual-varying tissues[J].IEEE Transactions on Biomedical Engineering,2016,63(4):758-764.
[28]李珣.基于磁感应磁声成像的生物电阻抗成像技术研究[D].杭州:浙江大学,2009.
[29]白玲.各向异性介质感应式磁声成像正问题仿真研究[D].天津:河北工业大学,2015.
[30]LI X,HU S,LI L,et al.Numerical study of magnetoacoustic signal generation with magnetic induction based on inhomogeneous conductivity anisotropy.[J].Computational&Mathematical Methods in Medicine,2013,3:161357-161360.
[31]马虹霞,刘志朋,张顺起,等.基于不同几何模型的感应式磁声成像声源重建仿真[J].中国生物医学工程学报,2011,30(1):40-45.
[32]BRINKER K,ROTH B J.The effect of electrical anisotropy during magnetoacoustic tomography with magnetic induction[J].IEEE Transactions on Biomedical Engineering,2008,55(5):1637-1639.
[33]游德海.感应式磁声检测技术在钢板检测中的研究[D].厦门:厦门大学,2015.
[34]夏晓昊.一种基于感应式磁声成像原理的无损检测探头研制[D].厦门:厦门大学,2014.
[35]江凌彤.感应式磁声成像硬件系统研究[D].北京:中国科学院电工研究所,2009.
[36]李超.感应式磁声发射无损检测数值模拟及实验研究[D].厦门:厦门大学,2015.
[37]房大伟.磁感应磁声纳米传感技术研究[D].南京:南京师范大学,2014.
[38]HE C F.A new surface wave EMAT with high SNRand the application for defect detection in thick-walled pipes[J].Journal of Mechanical Engineering,2017,53(4):59-66.
[39]吴占雄,李璟,朱善安.脑白质电导率各向异性及非均质对头皮脑电分布的影响[J].传感技术学报,2010,23(11):1523-1527.
[2]赵海燕,落宝龙,张雨生.无损检测中超声探伤技术的应用[J].中国科技纵横,2015(7):60-62.
[3]孙亚飞,刘振宇,孙静,等.应用于冶金工业的电磁无损检测技术[J].自动化仪表,2011,32(6):1-7.
[4]GARCIA-MARTIN J,GOMEZ-GIL J,VAZQUEZ-SANCHEZ E.Non-destructive techniques based on eddy current testing[J].Sensors,2011,11(3):2525-2565.
[5]SHIBATA T,HASHIZUME H,KITAJIMA S,et al.Experimental study on NDT method using electromagnetic waves[J].Journal of Materials Processing Technology,2005,161(1/2):348-352.
[6]XU Y,HE B.Magnetoacoustic tomography with magnetic induction(MAT-MI)[J].Physics in Medicine and Biology,2005,50(21):5175-5187.
[7]李珣.基于乳腺肿瘤模型的感应式磁声成像正问题研究[J].中国生物医学工程学报,2010,29(3):390-398.
[8]HU G,CRESSMAN E,HE B.Magnetoacoustic imaging of human liver tumor with magnetic induction[J].Applied Physics Letters,2011,98(2):23703-23710.
[9]马真,孙正,王健健.生物感应式磁声成像的研究现状[J].中国生物医学工程学报,2016,35(6):729-736.
[10]MA R,YIN T,LIU Z.Magnetoacoustic tomography with magnetic induction(MAT-MI)reconstruction algorithm based on characteristics of acoustic transducer[J].X-Acoustics:Imaging and Sensing,2015,1:63-69.
[11]许国辉,刘志朋,李经宇,等.感应式磁声成像正问题数学模型及仿真[J].中国生物医学工程学报,2009,28(4):481-484.
[12]张顺起,刘志朋,靳静娜,等.感应式磁声耦合成像脉冲磁场激励源的设计[J].医疗卫生装备,2010,31(9):18-21.
[13]ZHANG S Q,ZHOU X Q,MA R,et al.A study on locating the sonic source of sinusoidal magnetoacoustic signals using a vector method[J].BioMedical Materials and Engineering,2015,26(S1):1177-1184.
[14]LI X,HE B.Multi-excitation magnetoacoustic tomography with magnetic induction for bioimpedance imaging[J].IEEE Transactions on Medical Imaging,2010,29(10):1759-1767.
[15]XU G H,LIU Z P,LI J Y,et al.IFMBEProceedings[M].Heidelberg:Springer Berlin Heidelberg,2009:597-600.
[16]WANG W P,EISENBERG S R.A three-dimensional finite element method for computing magnetically induced currents in tissues[J].IEEE Transactions on Magnetics,1994,30(6):5015-5023.
[17]张媛.磁感应磁声成像的声源产生机制[J].湖州师范学院学报,2009,31(1):70-75.
[18]ZHOU L,LI X,ZHU S,et al.Magnetoacoustic tomography with magnetic induction(MAT-MI)for breast tumor imaging:numerical modeling and simulation[J].Physics in Medicine&Biology,2011,56(7):1967-1974.
[19]ZHANG S Q,MA R,YIN T,et al.Research on the time-frequency characteristics of the magneto-acoustic signal in media of different thicknesses based on the wave summing method[J].Journal of Medical Imaging and Health Informatics,2017,7(2):453-459.
[20]ROTH B J,BASSER P J,WIKSWO J P.Atheoretical model for magneto-acoustic imaging of bioelectric currents[J].IEEE Transactions on Biomedical Engineering,1994,41(8):723-731.
[21]张帅,侯琬姣,张雪莹,等.基于真实乳腺模型的感应式磁声成像正问题[J].电工技术学报,2016,31(24):126-133.
[22]贺文静,刘国强,张洋,等.感应式磁声成像声场正问题研究(一)——基于声压-速度耦合方程的声场模拟方法[J].现代科学仪器,2010,9(1):9-13.
[23]LI X,XU Y,HE B.Imaging electrical impedance from acoustic measurements by means of magnetoacoustic tomography with magnetic induction(MAT-MI)[J].IEEE Transactions on Biomedical Engineering,2007,54(2):323-331.
[24]MA Q,HE B.Magnetoacoustic tomography with magnetic induction:a rigorous theory[J].IEEETransactions on Biomedical Engineering,2008,55(2):813-816.
[25]张伟,马任,张顺起,等.基于声学不均匀特性的磁感应磁声成像声压解析[J].北京生物医学工程,2014,33(6):558-564.
[26]SUN X,ZHOU Y,MA Q,et al.Radiation theory comparison for magnetoacoustic tomography with magnetic induction(MAT-MI)[J].Chinese Science Bulletin,2014,59(26):3246-3254.
[27]WANG J,ZHOU Y,SUN X,et al.Acoustic source analysis of magnetoacoustic tomography with magnetic induction for conductivity gradual-varying tissues[J].IEEE Transactions on Biomedical Engineering,2016,63(4):758-764.
[28]李珣.基于磁感应磁声成像的生物电阻抗成像技术研究[D].杭州:浙江大学,2009.
[29]白玲.各向异性介质感应式磁声成像正问题仿真研究[D].天津:河北工业大学,2015.
[30]LI X,HU S,LI L,et al.Numerical study of magnetoacoustic signal generation with magnetic induction based on inhomogeneous conductivity anisotropy.[J].Computational&Mathematical Methods in Medicine,2013,3:161357-161360.
[31]马虹霞,刘志朋,张顺起,等.基于不同几何模型的感应式磁声成像声源重建仿真[J].中国生物医学工程学报,2011,30(1):40-45.
[32]BRINKER K,ROTH B J.The effect of electrical anisotropy during magnetoacoustic tomography with magnetic induction[J].IEEE Transactions on Biomedical Engineering,2008,55(5):1637-1639.
[33]游德海.感应式磁声检测技术在钢板检测中的研究[D].厦门:厦门大学,2015.
[34]夏晓昊.一种基于感应式磁声成像原理的无损检测探头研制[D].厦门:厦门大学,2014.
[35]江凌彤.感应式磁声成像硬件系统研究[D].北京:中国科学院电工研究所,2009.
[36]李超.感应式磁声发射无损检测数值模拟及实验研究[D].厦门:厦门大学,2015.
[37]房大伟.磁感应磁声纳米传感技术研究[D].南京:南京师范大学,2014.
[38]HE C F.A new surface wave EMAT with high SNRand the application for defect detection in thick-walled pipes[J].Journal of Mechanical Engineering,2017,53(4):59-66.
[39]吴占雄,李璟,朱善安.脑白质电导率各向异性及非均质对头皮脑电分布的影响[J].传感技术学报,2010,23(11):1523-1527.
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