Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation

Yatsuse Majima; Yoshihiro Nakamura; Kenji Sakai; Toshihiko Kiwa; Keiji Tsukada

doi:10.3233/978-1-61499-836-5-199

Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation

Yatsuse Majima, Yoshihiro Nakamura, Kenji Sakai, Toshihiko Kiwa, Keiji Tsukada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Conventionally, eddy current testing (ECT) has been used for the surface crack detection. However, the detection of underside and internal corrosion was difficult using this technique. Therefore, we developed an underside and internal corrosion detection technique based on extremely low frequency ECT (ELECT). To use the TMR sensor for ELECT, a TMR sensor operated with AC modulation was applied as a magnetic sensor. Then, we developed the ELECT system using a TMR sensor operated with AC modulation, and succeeded in measuring the thickness of thick steel plate.

Original language	English
Title of host publication	Electromagnetic Non-Destructive Evaluation (XXI)
Editors	Dominique Lesselier, Christophe Reboud
Publisher	IOS Press
Pages	199-204
Number of pages	6
ISBN (Electronic)	9781614998358
DOIs	https://doi.org/10.3233/978-1-61499-836-5-199
Publication status	Published - 2018
Event	22nd International Workshop on Electromagnetic Nondestructive Evaluation, ENDE 2017 - Saclay, France Duration: Sept 6 2017 → Sept 8 2017

Publication series

Name	Studies in Applied Electromagnetics and Mechanics
Volume	43
ISSN (Print)	1383-7281
ISSN (Electronic)	1879-8322

Other

Other	22nd International Workshop on Electromagnetic Nondestructive Evaluation, ENDE 2017
Country/Territory	France
City	Saclay
Period	9/6/17 → 9/8/17

Keywords

AC modulation
ELECT
SAM
TMR sensor

ASJC Scopus subject areas

Mechanical Engineering
Electrical and Electronic Engineering

Access to Document

10.3233/978-1-61499-836-5-199

Cite this

Majima, Y., Nakamura, Y., Sakai, K., Kiwa, T., & Tsukada, K. (2018). Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation. In D. Lesselier, & C. Reboud (Eds.), Electromagnetic Non-Destructive Evaluation (XXI) (pp. 199-204). (Studies in Applied Electromagnetics and Mechanics; Vol. 43). IOS Press. https://doi.org/10.3233/978-1-61499-836-5-199

Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation. / Majima, Yatsuse; Nakamura, Yoshihiro; Sakai, Kenji et al.
Electromagnetic Non-Destructive Evaluation (XXI). ed. / Dominique Lesselier; Christophe Reboud. IOS Press, 2018. p. 199-204 (Studies in Applied Electromagnetics and Mechanics; Vol. 43).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Majima, Y, Nakamura, Y, Sakai, K , Kiwa, T & Tsukada, K 2018, Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation. in D Lesselier & C Reboud (eds), Electromagnetic Non-Destructive Evaluation (XXI). Studies in Applied Electromagnetics and Mechanics, vol. 43, IOS Press, pp. 199-204, 22nd International Workshop on Electromagnetic Nondestructive Evaluation, ENDE 2017, Saclay, France, 9/6/17. https://doi.org/10.3233/978-1-61499-836-5-199

Majima Y, Nakamura Y, Sakai K , Kiwa T, Tsukada K. Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation. In Lesselier D, Reboud C, editors, Electromagnetic Non-Destructive Evaluation (XXI). IOS Press. 2018. p. 199-204. (Studies in Applied Electromagnetics and Mechanics). doi: 10.3233/978-1-61499-836-5-199

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abstract = "Conventionally, eddy current testing (ECT) has been used for the surface crack detection. However, the detection of underside and internal corrosion was difficult using this technique. Therefore, we developed an underside and internal corrosion detection technique based on extremely low frequency ECT (ELECT). To use the TMR sensor for ELECT, a TMR sensor operated with AC modulation was applied as a magnetic sensor. Then, we developed the ELECT system using a TMR sensor operated with AC modulation, and succeeded in measuring the thickness of thick steel plate.",

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N2 - Conventionally, eddy current testing (ECT) has been used for the surface crack detection. However, the detection of underside and internal corrosion was difficult using this technique. Therefore, we developed an underside and internal corrosion detection technique based on extremely low frequency ECT (ELECT). To use the TMR sensor for ELECT, a TMR sensor operated with AC modulation was applied as a magnetic sensor. Then, we developed the ELECT system using a TMR sensor operated with AC modulation, and succeeded in measuring the thickness of thick steel plate.

AB - Conventionally, eddy current testing (ECT) has been used for the surface crack detection. However, the detection of underside and internal corrosion was difficult using this technique. Therefore, we developed an underside and internal corrosion detection technique based on extremely low frequency ECT (ELECT). To use the TMR sensor for ELECT, a TMR sensor operated with AC modulation was applied as a magnetic sensor. Then, we developed the ELECT system using a TMR sensor operated with AC modulation, and succeeded in measuring the thickness of thick steel plate.

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Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation

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