Design on a novel pulsed eddy current sensor based on magnetic-concentration technique

ZHAO Yu-feng; ZHU Rong-xin; YANG Bin-feng; FANG Yao-sheng

doi:10.13873/j.1000-97872011.07.010

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Design on a novel pulsed eddy current sensor based on magnetic-concentration technique

更新时间：2025-09-11

- Design on a novel pulsed eddy current sensor based on magnetic-concentration technique
- Vol. 30, Issue 7, Pages: 100-103+110(2011)
- 作者机构：
  
  空军工程大学电讯工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.07.010
  CLC： TH878
- Published：2011
- 稿件说明：
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[1]赵玉丰,朱荣新,杨宾峰,方姚生.基于聚磁技术的新型脉冲涡流传感器设计[J].传感器与微系统,2011,30(07):100-103+110.

ZHAO Yu-feng, ZHU Rong-xin, YANG Bin-feng, et al. Design on a novel pulsed eddy current sensor based on magnetic-concentration technique[J]. 2011, 30(7): 100-103+110.
[1]赵玉丰,朱荣新,杨宾峰,方姚生.基于聚磁技术的新型脉冲涡流传感器设计[J].传感器与微系统,2011,30(07):100-103+110. DOI： 10.13873/j.1000-97872011.07.010.

ZHAO Yu-feng, ZHU Rong-xin, YANG Bin-feng, et al. Design on a novel pulsed eddy current sensor based on magnetic-concentration technique[J]. 2011, 30(7): 100-103+110. DOI： 10.13873/j.1000-97872011.07.010.

摘要

对裂纹缺陷长度和深度进行定量是脉冲涡流无损检测的一项重要内容。提出了一种基于聚磁技术的新型脉冲涡流传感器。采用大型电磁仿真软件ANSYS建立了传统脉冲涡流传感器和新型脉冲涡流传感器的仿真模型

然后对比分析了两者对裂纹缺陷长度定量的结果

仿真分析表明:新型传感器可以实现对裂纹长度的准确定量

同时还能够对裂纹深度进行定量。采用实验的方法对仿真结果进行了验证

实验结果与仿真结论相一致

证明了新型传感器的有效性。

Abstract

Quantification for length and depth of crack is important content in the pulsed eddy current（PEC） non-destructive examination（NDE）.A novel PEC probe based on magnetic-concentrating technique is proposed.Simulation models of typical PEC probe and novel PEC probe are established by ANSYS software

and the length-quantification results from the two probes are compared and analyzed.The simulation results reveal that novel PEC probe could realize accurate quantification on the crack length and depth parameter.The simulations’ correctness is experimentally testified by experiment results

and it shows that the novel PEC probe is valid.

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references

电磁无损检测[M]. 航空工业出版社 , 任吉林主编, 1989

Feature extraction and selection for defect classification of pulsed eddy current NDT [J] . Tianlu Chen,Gui Yun Tian,Ali Sophian,Pei Wen Que. NDT and E International . 2008 (6)

Local eddy current measurements in pulsed fields [J] . Journal of Magnetism and Magnetic Materials . 2008 (14)

Pulsed eddy current thickness measurement of conductive layers over ferromagnetic substrates [J] . J.H.V. Lefebvre,C. Mandache. International Journal of Applied Electromagnetics and Mechanics . 2008 (1,2)

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