Electromagnetic and eddy current NDT in weld inspection: a review

被引：36
|
作者：
Gao, P. [1 ]
Wang, C. [1 ]
Li, Y. [1 ,2 ]
Cong, Z. [1 ]
机构：
[1] Tianjin Univ, Sch Elect Engn & Automat, Tianjin 300072, Peoples R China
[2] Univ Rochester, Hajim Sch Engn & Appl Sci, Rochester, NY 14627 USA
来源：
INSIGHT | 2015年 / 57卷 / 06期
基金：
中国国家自然科学基金;
关键词：
non-destructive testing (NDT); eddy current testing (ECT); fusion welding; friction stir welding (FSW); review; AUSTENITIC STAINLESS-STEEL; ARTIFICIAL NEURAL-NETWORK; CURRENT INVERSION; CURRENT PROBE; ELECTRICAL-CONDUCTIVITY; FATIGUE CRACKS; OPTIMIZATION; DEFECTS; FSW;
D O I：
10.1784/insi.2015.57.6.337
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Defects in welds always undermine the reliability of the overall structure, potentially causing serious structural failures. Electromagnetic and eddy current testing (ECT) are widely used in weld inspection because of their advantages, such as rapidity, they are non-contact and they do not require a coupling agent. This paper presents a review of the development of electromagnetic and eddy current non-destructive testing (NDT) in fusion welding and friction stir welding (FSW). In the section on fusion weld inspection, the review includes probe improvement, the multi-frequency eddy current technique, signal processing and computational inversion techniques. In the section on friction stir welding, the review shows the probe structure design and the application of the pulsed eddy current (PEC) and SQUID-based eddy current techniques. Finally, the future development of ECT in welding inspection is discussed in the last part of the paper.
引用
收藏
页码：337 / 345
页数：9
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