Improvement of Surface RFECT Probe Aiming at Quantitative Evaluation of Pipe Wall Thinning

Kazuhiro Nakajima; Ryoichi Urayama; Tetsuya Uchimoto; Toshiyuki Takagi

doi:10.3233/978-1-61499-639-2-312

Improvement of Surface RFECT Probe Aiming at Quantitative Evaluation of Pipe Wall Thinning

Kazuhiro Nakajima, Ryoichi Urayama, Tetsuya Uchimoto, Toshiyuki Takagi

Tohoku University

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

1 Citation (Scopus)

Abstract

Remote Field Eddy Current Testing (RFECT) can detect defects in a wider range of a specimen than conventional ECT, and is used for inspection of outer pipe wall thinning using inner coils. The aim of this study is to apply surface coil RFECT to pipe wall thinning and to propose the design of probe that can evaluate thinning with various size. Experiments and numerical analyses are performed on SUS316 austenitic stainless steel plates with grooves. First, numerical analyses are verified through the comparison with experimental results. Then, the survey of probe parameters is performed, such as distance of between exciting and pick-up coils, and the test frequency. Capability of the optimized probe shows that surface coil RFECT can be used as a screening tool of inspection of pipe wall thinning.

Original language	English
Title of host publication	Electromagnetic Nondestructive Evaluation (XIX)
Editors	Tetsuya Uchimoto, Hiroaki Kikuchi, Noritaka Yusa
Publisher	IOS Press
Pages	312-319
Number of pages	8
ISBN (Electronic)	9781614996385
DOIs	https://doi.org/10.3233/978-1-61499-639-2-312
Publication status	Published - 2016

Publication series

Name	Studies in Applied Electromagnetics and Mechanics
Volume	41
ISSN (Print)	1383-7281
ISSN (Electronic)	1879-8322

Keywords

Eddy current testing
Pipe wall thinning
Remote field

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10.3233/978-1-61499-639-2-312

Cite this

Nakajima, K., Urayama, R., Uchimoto, T., & Takagi, T. (2016). Improvement of Surface RFECT Probe Aiming at Quantitative Evaluation of Pipe Wall Thinning. In T. Uchimoto, H. Kikuchi, & N. Yusa (Eds.), Electromagnetic Nondestructive Evaluation (XIX) (pp. 312-319). (Studies in Applied Electromagnetics and Mechanics; Vol. 41). IOS Press. https://doi.org/10.3233/978-1-61499-639-2-312

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abstract = "Remote Field Eddy Current Testing (RFECT) can detect defects in a wider range of a specimen than conventional ECT, and is used for inspection of outer pipe wall thinning using inner coils. The aim of this study is to apply surface coil RFECT to pipe wall thinning and to propose the design of probe that can evaluate thinning with various size. Experiments and numerical analyses are performed on SUS316 austenitic stainless steel plates with grooves. First, numerical analyses are verified through the comparison with experimental results. Then, the survey of probe parameters is performed, such as distance of between exciting and pick-up coils, and the test frequency. Capability of the optimized probe shows that surface coil RFECT can be used as a screening tool of inspection of pipe wall thinning.",

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author = "Kazuhiro Nakajima and Ryoichi Urayama and Tetsuya Uchimoto and Toshiyuki Takagi",

year = "2016",

doi = "10.3233/978-1-61499-639-2-312",

language = "English",

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Improvement of Surface RFECT Probe Aiming at Quantitative Evaluation of Pipe Wall Thinning. / Nakajima, Kazuhiro; Urayama, Ryoichi; Uchimoto, Tetsuya et al.
Electromagnetic Nondestructive Evaluation (XIX). ed. / Tetsuya Uchimoto; Hiroaki Kikuchi; Noritaka Yusa. IOS Press, 2016. p. 312-319 (Studies in Applied Electromagnetics and Mechanics; Vol. 41).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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T1 - Improvement of Surface RFECT Probe Aiming at Quantitative Evaluation of Pipe Wall Thinning

AU - Nakajima, Kazuhiro

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AU - Uchimoto, Tetsuya

AU - Takagi, Toshiyuki

PY - 2016

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AB - Remote Field Eddy Current Testing (RFECT) can detect defects in a wider range of a specimen than conventional ECT, and is used for inspection of outer pipe wall thinning using inner coils. The aim of this study is to apply surface coil RFECT to pipe wall thinning and to propose the design of probe that can evaluate thinning with various size. Experiments and numerical analyses are performed on SUS316 austenitic stainless steel plates with grooves. First, numerical analyses are verified through the comparison with experimental results. Then, the survey of probe parameters is performed, such as distance of between exciting and pick-up coils, and the test frequency. Capability of the optimized probe shows that surface coil RFECT can be used as a screening tool of inspection of pipe wall thinning.

KW - Eddy current testing

KW - Pipe wall thinning

KW - Remote field

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Improvement of Surface RFECT Probe Aiming at Quantitative Evaluation of Pipe Wall Thinning

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