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Clarification of the mechanism of induction thermography for crack detection and depth sizing

被引：0
|
作者：
Cheng, Weiying [1 ,2 ]
机构：
[1] Japan Power Engn & Inspect Corp, NDE Ctr, Yokohama 2300044, Japan
[2] Tohoku Univ, Dept Quantum Sci & Energy Engn, Sendai, Miyagi, Japan
来源：
2023 IEEE INTERNATIONAL MAGNETIC CONFERENCE, INTERMAG | 2023年
基金：
日本学术振兴会;
关键词：
eddy currents; electromagnetic induction; ferromagnetic materials; nondestructive testing; surface cracks;
D O I：
10.1109/INTERMAG50591.2023.10265024
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Induction thermography (IT) and eddy current testing (ECT) are contactless, non-destructive evaluation (NDE) techniques that can be coupled by eddy currents. By combining the synergized effects of both techniques, we can detect a wider variety of defects and improve detection and sizing reliability. We clarified the mechanism of IT in terms of energy transfer through theoretical and numerical analysis and investigated characteristic features to enhance detection and sizing of cracks in ferromagnetic metal works.
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页数：5
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