Transformation of the rotating eddy current testing signal at the desired eddy current orientation

被引：0

作者：

Ge, Jiuhao ^{[1
,2
,3
]}

Yang, Chenkai ^{[1
]}

Yu, Fanwei ^{[3
]}

Yusa, Noritaka ^{[3
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Key Lab, Nondestruct Detect & Monitoring Technol High Spee, Minist Ind & Informat Technol, Nanjing 211106, Jiangsu, Peoples R China

[2] Tohoku Univ, Grad Sch Engn, Aoba Ku, 6-6-01-2 Aramaki Aza Aoba, Sendai, Miyagi 9808579, Japan

[3] Tohoku Univ, Grad Sch Engn, Dept Quantum Sci & Energy Engn, Aoba Ku, 6-6-01-2 Aramaki Aza Aoba, Sendai, Miyagi 9808579, Japan

来源：

NDT & E INTERNATIONAL | 2022年 / 125卷

基金：

中国国家自然科学基金;

关键词：

Rotating field; Phase rotation; Decreasing weld noise; CURRENT FIELD MEASUREMENT; SURFACE-BREAKING CRACKS; CURRENT PROBE; SENSOR; ARRAY;

D O I：

10.1016/j.ndteint.2021.102551

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The results of rotating eddy current testing can be regarded as the results superposed by uniform eddy current testing in orthogonal directions. However, in the case of directional nondestructive testing problems, such as weld detection, only the results from the induced current that is perpendicular to the crack have the greatest sensitivity. In contrast, the results from other induced current orientations may experience substantial noise generated by welds. In this work, a brief method is proposed to transform the results of rotating eddy current testing into the results of uniform eddy current testing at the desired eddy current orientation. The experiments indicated a good match between the signal distribution and amplitude of the transformed results and the results of the uniform eddy current testing. Moreover, the proposed method was applied for weld detection. The results revealed that the weld noise significantly decreased and that the locations of slits could be clearly identified. The results validated that the proposed method can improve the detection ability and expand the application of the rotating eddy current testing technique.

引用

页数：8

共 50 条

[1] Transformation of the rotating eddy current testing signal at the desired eddy current orientation
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Yusa, Noritaka
[J]. NDT and E International, 2022, 125
[2] Novel Method of Eddy Current Distribution Mapping Around Crack Using the Signal of Rotating Eddy Current Testing Technique
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Xu, Fei
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[3] Eddy current testing by uniform eddy current probe
Koyama, K
Hoshikawa, H
[J]. APPLIED ELECTROMAGNETICS (II), 1998, 7 : 1 - 6
[4] Eddy current testing
[J]. Foundry Management & Technology, 1994, 122 (01)
[5] Electromagnetic Analysis of Eddy Current Testing With Kelvin Transformation
Sugahara, Kengo
[J]. IEEE TRANSACTIONS ON MAGNETICS, 2022, 58 (09)
[6] Signal Preparation and Evaluation in Eddy Current Testing.
Stumm, Wolfgang
[J]. Schweisstechnik (Vienna), 1981, 35 (09): : 150 - 155
[7] Massively multiplexed eddy current testing and its comparison with pulsed eddy current testing
Brown, DJ
Hils, CM
Johnson, MJ
[J]. REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 23A AND 23B, 2004, 23 : 390 - 397
[8] Rotating Eddy Current Testing for Inspection of Cracks at Hole Edge
Zhu Y.
Zhao Y.
Fang Y.
Chen H.
Chen Z.
[J]. Zhongguo Jixie Gongcheng/China Mechanical Engineering, 2023, 34 (08): : 883 - 891
[9] Progress in eddy current testing
Horsch, A
[J]. ADVANCED MATERIALS & PROCESSES, 1996, 150 (04): : 40Y - 40AA
[10] EDDY-CURRENT TESTING
CLIFTON, GC
[J]. METAL CONSTRUCTION AND BRITISH WELDING JOURNAL, 1972, 4 (09): : 333 - &

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