基于地磁异常成像的缺陷检测
Crack inspection based on geomagnetic anomalies imaging
摘 要
提出了一种基于地磁异常成像的钢板缺陷检测方法。首先,采集钢板上人工缺陷标样区域的空间地磁信息,获得地磁场3个方向的分量信息,并最终形成异常地磁图像;然后对地磁不同方向分量的成像图像进行分析处理,实现了钢板的缺陷检测,验证了异常地磁成像方法在钢板缺陷检测中的有效性及可靠性。
缺陷
铁磁构件
无损检测
geomagnetic anomalies imaging
defect
ferromagnetic structure
nondestructive testing
Abstract
In this paper, an defect detection method in steel plates was proposed based on abnormal geomagnetic imaging. First of all, the spatial geomagnetic information of the defect specimen area made on the steel plate was collected, the component information of the three directions of the geomagnetic field is obtained, and the abnormal geomagnetic image was finally formed. Through the analysis and processing of the images of different directions of geomagnetism, the defect dectection in steel plate was achieved and the effectiveness and reliability of the abnormal geomagnetic imaging method for the defect detection of steel plate defects were verified.
中图分类号 TG115.28 DOI 10.11973/wsjc202304004
所属栏目 试验研究
基金项目 国家重点研发计划(2019YFB1310402);广东省基础与应用基础研究基金资助项目(2019A1515111119;2021A1515010926)
收稿日期 2022/9/28
修改稿日期
网络出版日期
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备注赵敏(1984—),男,副研究员,主要从事智能无损检测、数字信号及图像处理、机器人等方向的研究工作
引用该论文: ZHAO Min,DING Ning,YUAN Xiaoqiang,FU Xueqi,ZHENG Zhenliang. Crack inspection based on geomagnetic anomalies imaging[J]. Nondestructive Testing, 2023, 45(4): 17～21
赵敏,丁宁,元小强,付雪奇,郑振粮. 基于地磁异常成像的缺陷检测[J]. 无损检测, 2023, 45(4): 17～21
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参考文献
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【3】ZHANG D L,ZHAO M,ZHOU Z H,et al.Characterization of wire rope defects with gray level Co-occurrence matrix of magnetic flux leakage images[J].Journal of Nondestructive Evaluation,2013,32(1):37-43.
【4】DUTTA S M,GHORBEL F H,STANLEY R K.Dipole modeling of magnetic flux leakage[J].IEEE Transactions on Magnetics,2009,45(4):1959-1965.
【5】HOSSEINGHOLIZADEH S,FILLETER T,SINCLAIR A N.Enhancement of defect characterization with AC magnetic flux leakage:far-side defect shape estimation and sensor lift-off compensation[J].IEEE Transactions on Magnetics,2022,58(5):1-11.
【6】唐健,王荣彪,康宜华.大提离漏磁无损检测方法[J].无损检测,2022,44(4):67-72.
【7】WU L B,YAO K,SHI P P,et al.Influence of inhomogeneous stress on biaxial 3D magnetic flux leakage signals[J].NDT & E International,2020,109:102178.
【8】王焱祥,于润桥,林志福,等.储油罐底板腐蚀的弱磁检测[J].无损检测,2017,39(7):49-53.
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【10】SHEINKER A,FRUMKIS L,GINZBURG B,et al.Magnetic anomaly detection using a three-axis magnetometer[J].IEEE Transactions on Magnetics,2009,45(1):160-167.
【11】WANG Z D,CHEN B,YUAN J H,et al.Localized geomagnetic field anomalies in an underground gas storage[J].Physics of the Earth and Planetary Interiors,2018,283:92-97.
【12】SONG C K,ZHANG P T,WANG C,et al.Piezomagnetic anomalies associated with the 2021 MW 7.3 Maduo (China) earthquake[J].Applied Sciences,2022,12(3):1017.
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