Scanning waveform analysis of a room-temperature-probe SQUID NDE system

J. J. Chieh; I. S. Lin; H. E. Horng; Chin Yih Hong; S. Y. Yang; H. C. Yang

doi:10.1016/j.ndteint.2010.06.002

Scanning waveform analysis of a room-temperature-probe SQUID NDE system

J. J. Chieh, I. S. Lin, H. E. Horng, Chin Yih Hong, S. Y. Yang, H. C. Yang

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A room-temperature-probe SQUID NDE system with high mobility and excellent spatial resolution has been developed for detecting the internal cracks of metallic material. Here, the sensing probe is composed of quadruple excitation coils and double D-shape pickup coils. It is connected to the input coil surrounding the SQUID sensor to transfer a magnetic field of eddy current. Following the previous demonstration of its good spatial resolution and high sensitivity, a signal mechanism for the scanning waveform is further proposed in this study to explain the scanning non-directionality of the system and analyze the internal cracks. Both fine and wide single cracks and multi-cracks with dense and spare intervals are valid. Moreover, the model is in good agreement with the test results.

Original language	English
Pages (from-to)	586-590
Number of pages	5
Journal	NDT and E International
Volume	43
Issue number	7
DOIs	https://doi.org/10.1016/j.ndteint.2010.06.002
Publication status	Published - 2010 Oct

Keywords

Room-temperature probe
Superconducting quantum interference device (SQUID)
Waveform

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanical Engineering

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10.1016/j.ndteint.2010.06.002

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title = "Scanning waveform analysis of a room-temperature-probe SQUID NDE system",

abstract = "A room-temperature-probe SQUID NDE system with high mobility and excellent spatial resolution has been developed for detecting the internal cracks of metallic material. Here, the sensing probe is composed of quadruple excitation coils and double D-shape pickup coils. It is connected to the input coil surrounding the SQUID sensor to transfer a magnetic field of eddy current. Following the previous demonstration of its good spatial resolution and high sensitivity, a signal mechanism for the scanning waveform is further proposed in this study to explain the scanning non-directionality of the system and analyze the internal cracks. Both fine and wide single cracks and multi-cracks with dense and spare intervals are valid. Moreover, the model is in good agreement with the test results.",

keywords = "Room-temperature probe, Superconducting quantum interference device (SQUID), Waveform",

author = "Chieh, {J. J.} and Lin, {I. S.} and Horng, {H. E.} and Hong, {Chin Yih} and Yang, {S. Y.} and Yang, {H. C.}",

note = "Funding Information: This work is supported by National Science Council of Taiwan under Grant Nos. 98‐2323‐B‐003‐001‐CC2, 98‐2112‐M‐003‐003, 98 221 E-003 001 MY2, and 98-2752-M-002-016-PAE, and Ministry of Economic Affairs under Grant Nos. 1Z970688_SBIR_ and S09800226-203_JAID_, and Department of Helath under Grant Nos. DOH98-TD-N-111-008 and 99G0012. ",

year = "2010",

month = oct,

doi = "10.1016/j.ndteint.2010.06.002",

language = "English",

volume = "43",

pages = "586--590",

journal = "NDT and E International",

issn = "0963-8695",

publisher = "Elsevier Limited",

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AU - Chieh, J. J.

AU - Lin, I. S.

AU - Horng, H. E.

AU - Hong, Chin Yih

AU - Yang, S. Y.

AU - Yang, H. C.

N1 - Funding Information: This work is supported by National Science Council of Taiwan under Grant Nos. 98‐2323‐B‐003‐001‐CC2, 98‐2112‐M‐003‐003, 98 221 E-003 001 MY2, and 98-2752-M-002-016-PAE, and Ministry of Economic Affairs under Grant Nos. 1Z970688_SBIR_ and S09800226-203_JAID_, and Department of Helath under Grant Nos. DOH98-TD-N-111-008 and 99G0012.

PY - 2010/10

Y1 - 2010/10

N2 - A room-temperature-probe SQUID NDE system with high mobility and excellent spatial resolution has been developed for detecting the internal cracks of metallic material. Here, the sensing probe is composed of quadruple excitation coils and double D-shape pickup coils. It is connected to the input coil surrounding the SQUID sensor to transfer a magnetic field of eddy current. Following the previous demonstration of its good spatial resolution and high sensitivity, a signal mechanism for the scanning waveform is further proposed in this study to explain the scanning non-directionality of the system and analyze the internal cracks. Both fine and wide single cracks and multi-cracks with dense and spare intervals are valid. Moreover, the model is in good agreement with the test results.

AB - A room-temperature-probe SQUID NDE system with high mobility and excellent spatial resolution has been developed for detecting the internal cracks of metallic material. Here, the sensing probe is composed of quadruple excitation coils and double D-shape pickup coils. It is connected to the input coil surrounding the SQUID sensor to transfer a magnetic field of eddy current. Following the previous demonstration of its good spatial resolution and high sensitivity, a signal mechanism for the scanning waveform is further proposed in this study to explain the scanning non-directionality of the system and analyze the internal cracks. Both fine and wide single cracks and multi-cracks with dense and spare intervals are valid. Moreover, the model is in good agreement with the test results.

KW - Room-temperature probe

KW - Superconducting quantum interference device (SQUID)

KW - Waveform

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JO - NDT and E International

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Scanning waveform analysis of a room-temperature-probe SQUID NDE system

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Keywords

ASJC Scopus subject areas

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