奥氏体不锈钢涡流阵列C扫成像检测技术的仿真研究与应用

doi:10.3901/JME.2021.24.192

机械工程学报 ›› 2021, Vol. 57 ›› Issue (24): 192-199.doi: 10.3901/JME.2021.24.192

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奥氏体不锈钢涡流阵列C扫成像检测技术的仿真研究与应用

李运涛, 郑晖, 万本例, 胡斌

中国特种设备检测研究院国家市场监督管理总局无损检测与评价重点实验室北京 100029

收稿日期:2020-03-16 修回日期:2021-03-02 出版日期:2021-12-20 发布日期:2022-02-28
通讯作者: 李运涛(通信作者),男,1978年出生,高级工程师。主要研究方向为电磁无损检测新技术。E-mail:liyuntao78@hotmail.com
基金资助:
中国特种设备检测研究院青年基金资助项目（2019青年01，2018青年09）。

Simulation Study and Application of Eddy Current Array C-scan Imaging Technique to Examine Austenite Stainless Steel

LI Yuntao, ZHENG Hui, WAN Benli, HU Bin

Key Lab of Nondestructive Testing and Evaluation of State Administration for Market Regulation, China Special Equipment Inspection and Research Institute, Beijing 100029

Received:2020-03-16 Revised:2021-03-02 Online:2021-12-20 Published:2022-02-28

摘要/Abstract

摘要： 为了解探头设计参数对涡流阵列C扫成像效果的影响和涡流阵列C扫成像检测技术对奥氏体不锈钢材料典型缺陷定性能力，采用CIVA软件仿真方法建立奥氏体不锈钢试样上平底孔、刻槽试样的涡流阵列C扫模型，研究涡流阵列探头的设计参数如探头工作模式、线圈外径和阵列排数对涡流阵列C扫成像的影响，并通过试验分析了裂纹、圆形缺陷等典型表面开口缺陷的涡流阵列C扫成像特征。结果表明，对于涡流阵列探头，绝对发射-接收式工作模式对缺陷方向敏感，不利于涡流阵列C扫成像，而绝对桥式工作模式对缺陷不敏感，有利于涡流阵列C扫成像；涡流阵列探头的线圈外径越小，阵列排数越多，涡流阵列C扫成像的纵向分辨力越小，更有利于涡流阵列C扫成像；奥氏体不锈钢均匀表面对涡流阵列C扫成像技术干扰少，涡流阵列C扫成像技术能够反映表面开口缺陷形状特征，可在一定程度上对表面开口缺陷进行定性。

关键词: 涡流阵列C扫成像, 奥氏体不锈钢, 表面开口缺陷, 缺陷定性, 探头设计参数, CIVA仿真

Abstract: The effects of the probe design parameters on the eddy current array C-scan imaging, and the flaw characterization of the eddy current array imaging technique to test the austenite stainless steel, are targeted to be known. The effects of the coil size, the array operating mode and the number of the array rows on the flaw C-scan imaging, were studied by means of CIVA software simulation, and the characteristics of the typical surface-breaking flaws such as the cracks, the round flaws in the Austenite stainless steel material, were studied by means of their eddy current array C-scan images. The results show that, for the eddy current array probe, the absolute bridge operating mode, insensitive to the orientation of the flaw, is beneficial to the eddy current array C-scan imaging, but the absolute transmit-receiver operating mode not; the smaller coil outer diameter and the more array rows, causing a smaller vertical resolving power, are more beneficial to the C-scan imaging; there is little interference with the C-scan imaging for the uniform surface of the Austenite stainless steel, so the flaw surface-breaking shape characteristics may be reflected, the typical surface-breaking flaws characterized by the eddy current array C-scan imaging technique to some extent.

Key words: eddy current array C-scan imaging, austenite stainless steel, surface-breaking flaws, flaw characterization, probe design parameters, CIVA simulation

中图分类号:

TG156

李运涛, 郑晖, 万本例, 胡斌. 奥氏体不锈钢涡流阵列C扫成像检测技术的仿真研究与应用[J]. 机械工程学报, 2021, 57(24): 192-199.

LI Yuntao, ZHENG Hui, WAN Benli, HU Bin. Simulation Study and Application of Eddy Current Array C-scan Imaging Technique to Examine Austenite Stainless Steel[J]. Journal of Mechanical Engineering, 2021, 57(24): 192-199.

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奥氏体不锈钢涡流阵列C扫成像检测技术的仿真研究与应用

Simulation Study and Application of Eddy Current Array C-scan Imaging Technique to Examine Austenite Stainless Steel

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