Crack sizing of deep cracks in eddy current testing using 3D electromagnetic field analysis

Toshiyuki Takagi; Tetsuya Uchimoto; Hisashi Endo

doi:10.1115/PVP2004-2835

Crack sizing of deep cracks in eddy current testing using 3D electromagnetic field analysis

Toshiyuki Takagi, Tetsuya Uchimoto, Hisashi Endo

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

A computer-aided approach of the eddy current testing (ECT) is described to detect and to size up deep cracks in thick metal structures. A 3D eddy current field analysis based on the finite elements performs designing ECT probes and evaluating the size of crack depth quantitatively. An exhaustive study on the ECT probe specification gives the optimal design of coil elements and their combination. The experimental verification shows that the developed ECT probe employing double exciting coils is capable of detecting crack depth over 10mm from the inspection surfaces. The depth of cracks is quantitatively evaluated from the measured ECT signals with the help of numerical calculation. The results of evaluation profile the crack shapes with fairly high accuracy, supporting our approach.

Original language	English
Pages (from-to)	185-190
Number of pages	6
Journal	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	484
DOIs	https://doi.org/10.1115/PVP2004-2835
Publication status	Published - 2004
Event	2004 ASME/JSME Pressure Vessels and Piping Conference - San Diego, CA, United States Duration: 2004 Jul 25 → 2004 Jul 29

ASJC Scopus subject areas

Mechanical Engineering

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10.1115/PVP2004-2835

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title = "Crack sizing of deep cracks in eddy current testing using 3D electromagnetic field analysis",

abstract = "A computer-aided approach of the eddy current testing (ECT) is described to detect and to size up deep cracks in thick metal structures. A 3D eddy current field analysis based on the finite elements performs designing ECT probes and evaluating the size of crack depth quantitatively. An exhaustive study on the ECT probe specification gives the optimal design of coil elements and their combination. The experimental verification shows that the developed ECT probe employing double exciting coils is capable of detecting crack depth over 10mm from the inspection surfaces. The depth of cracks is quantitatively evaluated from the measured ECT signals with the help of numerical calculation. The results of evaluation profile the crack shapes with fairly high accuracy, supporting our approach.",

author = "Toshiyuki Takagi and Tetsuya Uchimoto and Hisashi Endo",

year = "2004",

doi = "10.1115/PVP2004-2835",

language = "English",

volume = "484",

pages = "185--190",

journal = "American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP",

issn = "0277-027X",

publisher = "American Society of Mechanical Engineers(ASME)",

note = "2004 ASME/JSME Pressure Vessels and Piping Conference ; Conference date: 25-07-2004 Through 29-07-2004",

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T1 - Crack sizing of deep cracks in eddy current testing using 3D electromagnetic field analysis

AU - Takagi, Toshiyuki

AU - Uchimoto, Tetsuya

AU - Endo, Hisashi

PY - 2004

Y1 - 2004

N2 - A computer-aided approach of the eddy current testing (ECT) is described to detect and to size up deep cracks in thick metal structures. A 3D eddy current field analysis based on the finite elements performs designing ECT probes and evaluating the size of crack depth quantitatively. An exhaustive study on the ECT probe specification gives the optimal design of coil elements and their combination. The experimental verification shows that the developed ECT probe employing double exciting coils is capable of detecting crack depth over 10mm from the inspection surfaces. The depth of cracks is quantitatively evaluated from the measured ECT signals with the help of numerical calculation. The results of evaluation profile the crack shapes with fairly high accuracy, supporting our approach.

AB - A computer-aided approach of the eddy current testing (ECT) is described to detect and to size up deep cracks in thick metal structures. A 3D eddy current field analysis based on the finite elements performs designing ECT probes and evaluating the size of crack depth quantitatively. An exhaustive study on the ECT probe specification gives the optimal design of coil elements and their combination. The experimental verification shows that the developed ECT probe employing double exciting coils is capable of detecting crack depth over 10mm from the inspection surfaces. The depth of cracks is quantitatively evaluated from the measured ECT signals with the help of numerical calculation. The results of evaluation profile the crack shapes with fairly high accuracy, supporting our approach.

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JO - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP

JF - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP

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