Analysis on characteristics of surface defect detection of new type of pulsed magnetic flux leakage detecting method

PAN Meng; ZHOU De-qiang; CHANG Xiang

doi:10.13873/J.1000-9787(2017)12-0032-04

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Analysis on characteristics of surface defect detection of new type of pulsed magnetic flux leakage detecting method

更新时间：2025-09-11

- Analysis on characteristics of surface defect detection of new type of pulsed magnetic flux leakage detecting method
- Vol. 36, Issue 12, Pages: 32-35(2017)
- 作者机构：
  
  1. 江南大学机械工程学院
  2. 江苏省食品先进制造装备技术重点实验室
  3. 无锡国盛精密模具有限公司
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)12-0032-04
  CLC： TP212
- Published：2017
- 稿件说明：
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[1]潘萌,周德强,常祥.新型脉冲漏磁检测法的表面缺陷检测特征分析[J].传感器与微系统,2017,36(12):32-35.

PAN Meng, ZHOU De-qiang, CHANG Xiang. Analysis on characteristics of surface defect detection of new type of pulsed magnetic flux leakage detecting method[J]. 2017, 36(12): 32-35.
[1]潘萌,周德强,常祥.新型脉冲漏磁检测法的表面缺陷检测特征分析[J].传感器与微系统,2017,36(12):32-35. DOI： 10.13873/J.1000-9787(2017)12-0032-04.

PAN Meng, ZHOU De-qiang, CHANG Xiang. Analysis on characteristics of surface defect detection of new type of pulsed magnetic flux leakage detecting method[J]. 2017, 36(12): 32-35. DOI： 10.13873/J.1000-9787(2017)12-0032-04.

摘要

针对脉冲漏磁检测技术对不同方向的漏磁分量进行分析时存在一定局限性的问题

基于脉冲漏磁（PMFL）检测中的U型磁轭和脉冲涡流（PEC）检测中的矩形空心激励线圈

提出了脉冲聚磁（PMC）检测方法。通过仿真和实验分析了铁磁性试件在脉冲漏磁和脉冲聚磁两种检测模式下

缺陷部位的响应信号X

Y和Z 3个分量的检测效果。结果表明:脉冲聚磁检测方法在进行铁磁性材料构件的缺陷检测时

激励探头对被测试件的3个方向的分量激励效果更明显

同时对于不同深度的表面缺陷

脉冲漏磁响应信号的三维分量具有更高的检测灵敏度。

Abstract

The technology of the pulsed magnetic flux leakage detection has certain sensitivity to detect different depths of surface defects

but for analysis on component of magnetic flux leakage in different directions

it has some limitation. Aiming at this problem

the U-shaped magnetic plate in pulsed magnetic flux leakage（ PMFL） and the hollow rectangle exciting coil in pulsed eddy current（ PEC） detection are put together and put forward a new method of the pulsed magnetic concentration（ PMC）. Based on the simulation and experiment

the analysis is carried out on the ferromagnetic specimen under these two kinds of detection method

namely the PMFL and PMC

and the testing result of the X

Y and Z component of response signal from the defective parts is obtained. The result shows that the PMC testing method has a better inspective effect of the three direction component ferromagnetic material defect detection. while is carried out Furthermore

the PMC has more sensitivity of the 3 D magnetic flux leakage response signal to different depth of surface defects.

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references

脉冲涡流矩形传感器参数的仿真优化与实验 [J]. 周德强,闫向阳,尤丽华,张秋菊. 传感器与微系统 . 2013(05)

脉冲涡流铁磁性材料缺陷检测系统设计 [J]. 周德强,左晓芳,尤丽华,张秋菊,闫向阳. 传感器与微系统 . 2012(10)

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