Three-Dimensional Finite Element Modeling of Remote Field Eddy Current Technique for Detection of Localized Defects

被引：13
|
作者：
Thirunavukkarasu, S. [1 ]
Rao, B. P. C. [1 ]
Mahadevan, S. [1 ]
Jayakumar, T. [1 ]
Raj, Baldev [1 ]
Zeng, Zhiwei [2 ]
Udpa, Lalita [2 ]
Udpa, Satish S. [2 ]
机构：
[1] Indira Gandhi Ctr Atom Res, NDE Div, Met & Mat Grp, Kalpakkam 603102, Tamil Nadu, India
[2] Michigan State Univ, Dept Elect & Comp Engn, Nondestruct Evaluat Lab, E Lansing, MI 48824 USA
来源：
RESEARCH IN NONDESTRUCTIVE EVALUATION | 2009年 / 20卷 / 03期
关键词：
finite element modeling; holes; remote field eddy current; steam generators; STEAM-GENERATOR TUBES; REACTOR;
D O I：
10.1080/09349840802661041
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Three-dimensional finite element (FE) modeling of remote field eddy current (RFEC) technique has been performed to detect localized defects in ferromagnetic steam generator tubes. The excitation frequency, intercoil spacing, and the design of localized receiver coil have been optimized using this model. Amplitude and phase of RFEC signals of radial and axial receiver coils have been predicted for a through hole and two flat bottom holes (FBH). The detection sensitivity of the receiver coils has been compared, and the model has been validated for a few cases.
引用
收藏
页码：145 / 158
页数：14
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