蒸汽发生器传热管涡流检测的相位特性
Study on phase characteristics of eddy current detection for heat transfer tube of steam generator
摘 要
针对核电的安全问题，采用Bobbin线圈传感器对蒸气发生器传热管的各种类型缺陷进行涡流检测，分析了缺陷与涡流阻抗信号、相位信号之间的关系，并对检测频率进行了优化，通过相位信号实现了对不同缺陷的检测。
蒸气发生器传热管
涡流检测
Bobbin线圈
nuclear power
steam generator heat transfer tube
eddy current testing
Bobbin coil
Abstract
On the safety of nuclear power,the Bobbin coil is used to perform eddy current testing on various types of defects of the steam generator heat transfer tube. The relationship between defects and eddy current impedance signal and phase signal is analyzed. The detection frequency is optimized. Different defects are detected by phase signals.
中图分类号 TG115.28 DOI 10.11973/wsjc201911005
所属栏目 2019远东无损检测新技术论坛论文精选
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收稿日期 2019/6/27
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备注李明达(1989-),男,硕士研究生,主要从事电磁无损检测工作
引用该论文: LI Mingda,ZHOU Deqiang,BEI Yayao. Study on phase characteristics of eddy current detection for heat transfer tube of steam generator[J]. Nondestructive Testing, 2019, 41(11): 17～21
李明达,周德强,贝雅耀. 蒸汽发生器传热管涡流检测的相位特性[J]. 无损检测, 2019, 41(11): 17～21
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参考文献
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【3】SHIM H S, CHOI M S, LEE D H, et al. A prediction method for the general corrosion behavior of Alloy 690 steam generator tube using eddy current testing[J]. Nuclear Engineering and Design, 2016, 297: 26-31.
【4】TODOROV E. Measurement of electromagnetic properties of heat exchanger tubes[J]. NDT & E International, 2012, 48: 63-69.
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