[1]李蓓,路浩,邢立伟,等.铝合金型材缺陷远场涡流检测仿真与试验研究[J].焊管,2023,46(2):12-19.[doi:10.19291/j.cnki.1001-3938.2023.02.003]
 LI Bei,LU Hao,XING Liwei,et al.Simulation and Experimental Study of Far Field Eddy Current Sensor for Defect Detection of Aluminum Alloy Profiles[J].,2023,46(2):12-19.[doi:10.19291/j.cnki.1001-3938.2023.02.003]
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铝合金型材缺陷远场涡流检测仿真与试验研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第2期
页码:
12-19
栏目:
试验与研究
出版日期:
2023-02-28

文章信息/Info

Title:
Simulation and Experimental Study of Far Field Eddy Current Sensor for Defect Detection of Aluminum Alloy Profiles
文章编号:
10.19291/j.cnki.1001-3938.2023.02.003
作者:
李蓓路浩邢立伟张一冲
西安石油大学 材料科学与工程学院,西安 710065
Author(s):
LI Bei LU Hao XING Liwei ZHANG Yichong
School of Materials Science and Engineering, Xi’an Shiyou University, Xi’an 710065, China
关键词:
远场涡流内部缺陷有限元仿真检测线圈
Keywords:
far field eddy current internal defects finite element simulation detection coil
分类号:
TG115.28
DOI:
10.19291/j.cnki.1001-3938.2023.02.003
文献标志码:
A
摘要:
基于铝合金型材远场涡流检测技术,建立了铝合金型材内部埋深缺陷检测有限元模型,设计研发了横跨式远场涡流传感器,同时搭建了远场涡流试验检测系统,测试试验了不同频率、埋深检测信号特征以及横跨式远场涡流传感器中激励线圈与检测线圈位置对检测信号的影响。试验结果显示,300 Hz频率时检测信号的强度最大;激励线圈中心与检测线圈中心相距20 mm时检测效果最佳;传感器在无提离时对缺陷信息有着更好的测量能力,同时在提离高度1~3 mm时也能测量到缺陷信号;优化后的探头可检测埋深为2 mm、尺寸为63 mm×0.2 mm×8 mm的隐藏缺陷。结果表明,设计的横跨式远场涡流传感器能够实现对裂纹缺陷的定位检测。
Abstract:
Based on far field eddy current testing technology for aluminum alloy profiles, the finite element model for detection of buried defects in aluminum alloy profiles is established, and the straddle type far field eddy current sensor is designed and developed. Meanwhile, the far field eddy current testing system is built, and the influence of different frequencies, buried depth detection signal characteristics and the position of excitation coil and detection coil in straddle type far field eddy current sensor on the detection signal are tested. The test results show that intensity of the detection signal is the highest at 300 Hz and the detection effect is best when the distance between the excitation coil center and detection coil center is 20 mm. The sensor has better measurement capability for defect information when there is no lift off, and can also measure defect signal when the lift off height is 1~3 mm. The optimized probe can detect a buried depth of 2 mm and a size of 63 mm × 0.2 mm × 8 mm hidden defects. The results show that the designed straddle type far field eddy current sensor can realize the location detection of crack defects.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2022-09-01作者简介: 李 蓓(1996—),女,硕士研究生,主要从事电涡流传感器无损检测研究
更新日期/Last Update: 2023-02-22