Pulsed Eddy Current Array Imaging Detection Technology Used for Defect Detection
摘 要
脉冲涡流阵列系统具有大面积、快速检测的优点, 可用于金属表面裂纹的自动在线检测。在无损检测领域, 应用成像技术可以直观地观测到被检测物体的缺陷位置及大小, 提高检测人员的工作效率, 促进无损检测技术的应用普及。设计了一套脉冲涡流阵列检测系统, 包括脉冲涡流阵列探头。应用该系统对标准铝合金试件的缺陷进行了初步的成像处理, 给出了标准铝合金试块缺陷成像检测结果, 并指出今后的工作方向。
Abstract
Pulsed eddy current array system has the advantages of rapid detection with large area. It can be used to detect metal surface crack automatically in real time. In the field of nondestructive testing, the imaging technology can be used to get the location and the size of the defects intuitively, which not only raise the efficiency of NDT work, but also greatly contribute to the popularity of nondestructive testing technology. This paper designed a set of PEC array measurement system, which included the pulsed eddy current array probes design and analysis, and an experimental system. A standard aluminum alloy sample was done by the NDT imaging system. At last, the image test result to the standard aluminum alloy sample was given. The future direction is given in the end.
中图分类号 TG115.28
所属栏目 2010年远东无损检测论坛论文精选
基金项目 国家自然科学基金资助项目(50907032); 江苏省科技厅资助项目(BE2009162, BZ2009051); 南京航空航天大学研究生创新实验室基金支持项目
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备注王海涛(1968-), 男, 副教授, 博士, 主要从事光电和电磁无损检测的研究。
引用该论文: WANG Hai-Tao,SUN Hai-Long,CUI Li-Dong,ZHANG Ying,ZHEN Li,WANG Ping,TIAN Gui-Yun. Pulsed Eddy Current Array Imaging Detection Technology Used for Defect Detection[J]. Nondestructive Testing, 2010, 32(8): 560~563
王海涛,孙海龙,崔利东,张 颖,甄 理,王 平,田贵云. 脉冲涡流阵列缺陷成像检测技术[J]. 无损检测, 2010, 32(8): 560~563
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参考文献
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【2】Tian G Y, Sophian A, TaylorD, etal. Multiple sensors on pulsed eddy current detection for 3- D subsurface crack assessment[J].IEEE Sensors Journal, 2005, 5(l): 90-96.
【3】Smith R A, Harrison D J. Hall sensor array for rapid large-area transient eddy current inspection[J].Insight, 2004, 46(3): 142-146.
【4】杨宾峰, 罗飞路.基于集成霍尔传感器的脉冲涡流无损检测装置[J].计量技术, 2004(10): 8-9.
【5】韩焱.无损检测技术发展趋势与人才知识结构分析[C].2009远东无损检测新技术论坛论文集.苏州: [s.n.], 2009: 294-296.
【6】Smith R A, Hugo G R. Transient eddy current NDE for ageing aircraft-capabilities and limitations[J]. Insight, 2001, 43(1): 14-25.
【7】Smith R A, Hugo G R. Deep corrosion and crack detection in aging aircraft using transient eddy current NDE[J]. Review of Progress in Quantitative NDE, 1999: 1401-140.
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