Design of flaw-detecting system for ferromagnetic material based on pulsed eddy current

ZHOU De-qiang1; ZUO Xiao-fang1; YOU Li-hua1; ZHANG Qiu-ju1; YAN Xiang-yang1

doi:10.13873/j.1000-97872012.10.009

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Design of flaw-detecting system for ferromagnetic material based on pulsed eddy current

更新时间：2025-09-11

- Design of flaw-detecting system for ferromagnetic material based on pulsed eddy current
- Vol. 31, Issue 10, Pages: 121-124(2012)
- 作者机构：
  
  1. 江南大学机械工程学院
  2. 无锡国盛精密模具有限公司
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.10.009
  CLC： TH878.3
- Published：2012
- 稿件说明：
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[1]周德强,左晓芳,尤丽华,张秋菊,闫向阳.脉冲涡流铁磁性材料缺陷检测系统设计[J].传感器与微系统,2012,31(10):121-124.

ZHOU De-qiang1, ZUO Xiao-fang1, YOU Li-hua1, et al. Design of flaw-detecting system for ferromagnetic material based on pulsed eddy current[J]. 2012, 31(10): 121-124.
[1]周德强,左晓芳,尤丽华,张秋菊,闫向阳.脉冲涡流铁磁性材料缺陷检测系统设计[J].传感器与微系统,2012,31(10):121-124. DOI： 10.13873/j.1000-97872012.10.009.

ZHOU De-qiang1, ZUO Xiao-fang1, YOU Li-hua1, et al. Design of flaw-detecting system for ferromagnetic material based on pulsed eddy current[J]. 2012, 31(10): 121-124. DOI： 10.13873/j.1000-97872012.10.009.

摘要

针对金属缺陷中最常见的金属裂纹问题

以厚度均匀的铁磁性材料为主

设计了一种脉冲涡流铁磁性材料缺陷检测系统。该系统分为软件和硬件两部分

硬件部分主要用于信号的发生和采集

软件部分用于完成信号的分析和处理。通过对时域特征值分析

得出铁磁性材料裂纹缺陷的深度与对应的差分信号的峰值特征值呈有规律的一次线性关系

实现了铁磁性材料裂纹缺陷深度的尺寸量化。

Abstract

Aiming at metal crack problem in common metal flaws

a kind of pulsed eddy current detection system for the ferromagnetic material with homogeneous thickness is designed.The system is divided into two parts: the software and hardware

the hardware part is used for generation and acquisition of signal

the software part is used for analysis and processing of signal.Through analysis on eigenvalues of the time-domain

it shows that regular linear relationship can be obtained between the eigenvalue of differential signal and the metal crack flaw depth.Size quantization of crack flaw depth of the ferromagnetic material.

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references

铁轨部件表面裂纹的快速涡流检测系统设计 [J]. 程松波,郭顺生. 机电一体化 . 2006(04)

基于集成霍尔传感器的脉冲涡流无损检测装置 [J]. 杨宾峰,罗飞路. 计量技术 . 2004(10)

基于新型脉冲涡流传感器的裂纹缺陷长度定量检测仿真分析与实验研究[J]. 李水芳,姚启仓,杨宾峰. 计量技术. 2010 (02)

脉冲涡流检测系统的设计与研究 [D]. 张斌强. 南京航空航天大学 2009

电磁无损检测[M]. 航空工业出版社 , 任吉林主编, 1989

Pulsed eddy current signal processing method for signal denoising in ferromagnetic plate testing [J] . Chen Huang,Wu Xinjun,Xu Zhiyuan,Yihua Kang. NDT and E International . 2010 (7)

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