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Characteristic Analysis of Eddy Current Array Probe Signal in Combo Calibration Standard Tube Using Electromagnetic Numerical Analysis  

Kim, Ji-Ho (Department of Electrical Engineering, Soongsil University)
Lee, Hyang-Beom (Department of Electrical Engineering, Soongsil University)
Publication Information
Abstract
In this paper, 3-dimensional electromagnetic numerical analysis is performed about the eddy current(EC) array probe characteristic which is the next generation probe for accurate diagnosis of steam generator(SG) in nuclear power plants(NPPs). ASME(American Society of Mechanical Engineers) Standard and X-probe combo calibration standard tube are selected for acquisition of eddy current testing(ECT) signals and this result of compared with the real test signals for reasonability of result. Based on the analysis result of calibration standard tube, ECT signals that are about the defects of pitting, stress corrosion cracking(SCC), multiple SCC and wear is obtained. Material of specimen was Inconel 600 which is usually used for SG tubes in NPPs. The operation frequency of 300 kHz were used. The signal characteristics could be observed according to the various defects. The results in this paper can be helpful when the ECT signals from EC array probe are evaluated and analyzed.
Keywords
Eddy Current Testing(ECT); Steam Generator(SG) Tube; EC Array Probe; Finite Element Method; Calibration Standard Tube;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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