Design of bulk wave EMAT using a pulsed electromagnet

Heng Zhang; Ri Liang Su; Shu Juan Wang; Guo Fu Zhai; Lei Kang

doi:10.1109/FENDT.2014.6928272

Design of bulk wave EMAT using a pulsed electromagnet

Heng Zhang, Ri Liang Su, Shu Juan Wang, Guo Fu Zhai, Lei Kang

Harbin Institute of Technology

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

Abstract

Typically, permanent magnets used in the electromagnetic acoustic transducers (EMATs), will cause the difficulty of mobility for on-line detection of ferromagnetic materials. In this paper, a pulsed electromagnet EMAT (PE-EMAT) with the effective magnetic field duration of 400 μs is designed. A 2-D finite element model for the bulk wave PE-EMAT is presented including both the electromagnetic field and the acoustic field analysis. The designed PE-EMAT has shown the effectiveness of bulk wave generation and detection compared with the permanent magnet EMAT, which is verified by experiments.

Original language	English
Title of host publication	FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing
Subtitle of host publication	New Technology and Application, Increasingly Perfect NDT/E
Editors	Qinxue Pan, Chunguang Xu, Liu Yang
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	242-246
Number of pages	5
ISBN (Electronic)	9781479947300
ISBN (Print)	9781479947317
DOIs	https://doi.org/10.1109/FENDT.2014.6928272
Publication status	Published - 20 Oct 2014
Event	2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014 - Chengdu, China Duration: 20 Jun 2014 → 23 Jun 2014

Conference

Conference	2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014
Country/Territory	China
City	Chengdu
Period	20/06/14 → 23/06/14

Keywords

bulk wave
EMATs
finite element model
pulsed eletromagnet

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10.1109/FENDT.2014.6928272

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Zhang, H., Su, R. L., Wang, S. J., Zhai, G. F., & Kang, L. (2014). Design of bulk wave EMAT using a pulsed electromagnet. In Q. Pan, C. Xu, & L. Yang (Eds.), FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, Increasingly Perfect NDT/E (pp. 242-246). Article 6928272 Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/FENDT.2014.6928272

Zhang, Heng ; Su, Ri Liang ; Wang, Shu Juan et al. / Design of bulk wave EMAT using a pulsed electromagnet. FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, Increasingly Perfect NDT/E. editor / Qinxue Pan ; Chunguang Xu ; Liu Yang. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 242-246

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title = "Design of bulk wave EMAT using a pulsed electromagnet",

abstract = "Typically, permanent magnets used in the electromagnetic acoustic transducers (EMATs), will cause the difficulty of mobility for on-line detection of ferromagnetic materials. In this paper, a pulsed electromagnet EMAT (PE-EMAT) with the effective magnetic field duration of 400 μs is designed. A 2-D finite element model for the bulk wave PE-EMAT is presented including both the electromagnetic field and the acoustic field analysis. The designed PE-EMAT has shown the effectiveness of bulk wave generation and detection compared with the permanent magnet EMAT, which is verified by experiments.",

keywords = "bulk wave, EMATs, finite element model, pulsed eletromagnet",

author = "Heng Zhang and Su, {Ri Liang} and Wang, {Shu Juan} and Zhai, {Guo Fu} and Lei Kang",

note = "Publisher Copyright: {\textcopyright} 2014 IEEE.; 2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014 ; Conference date: 20-06-2014 Through 23-06-2014",

year = "2014",

month = oct,

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doi = "10.1109/FENDT.2014.6928272",

language = "English",

isbn = "9781479947317",

pages = "242--246",

editor = "Qinxue Pan and Chunguang Xu and Liu Yang",

booktitle = "FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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Zhang, H, Su, RL, Wang, SJ, Zhai, GF & Kang, L 2014, Design of bulk wave EMAT using a pulsed electromagnet. in Q Pan, C Xu & L Yang (eds), FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, Increasingly Perfect NDT/E., 6928272, Institute of Electrical and Electronics Engineers Inc., pp. 242-246, 2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014, Chengdu, China, 20/06/14. https://doi.org/10.1109/FENDT.2014.6928272

Design of bulk wave EMAT using a pulsed electromagnet. / Zhang, Heng; Su, Ri Liang; Wang, Shu Juan et al.
FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, Increasingly Perfect NDT/E. ed. / Qinxue Pan; Chunguang Xu; Liu Yang. Institute of Electrical and Electronics Engineers Inc., 2014. p. 242-246 6928272.

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

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AU - Zhai, Guo Fu

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PY - 2014/10/20

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N2 - Typically, permanent magnets used in the electromagnetic acoustic transducers (EMATs), will cause the difficulty of mobility for on-line detection of ferromagnetic materials. In this paper, a pulsed electromagnet EMAT (PE-EMAT) with the effective magnetic field duration of 400 μs is designed. A 2-D finite element model for the bulk wave PE-EMAT is presented including both the electromagnetic field and the acoustic field analysis. The designed PE-EMAT has shown the effectiveness of bulk wave generation and detection compared with the permanent magnet EMAT, which is verified by experiments.

AB - Typically, permanent magnets used in the electromagnetic acoustic transducers (EMATs), will cause the difficulty of mobility for on-line detection of ferromagnetic materials. In this paper, a pulsed electromagnet EMAT (PE-EMAT) with the effective magnetic field duration of 400 μs is designed. A 2-D finite element model for the bulk wave PE-EMAT is presented including both the electromagnetic field and the acoustic field analysis. The designed PE-EMAT has shown the effectiveness of bulk wave generation and detection compared with the permanent magnet EMAT, which is verified by experiments.

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KW - EMATs

KW - finite element model

KW - pulsed eletromagnet

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BT - FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing

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PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014

Y2 - 20 June 2014 through 23 June 2014

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Zhang H, Su RL, Wang SJ, Zhai GF, Kang L. Design of bulk wave EMAT using a pulsed electromagnet. In Pan Q, Xu C, Yang L, editors, FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, Increasingly Perfect NDT/E. Institute of Electrical and Electronics Engineers Inc. 2014. p. 242-246. 6928272 doi: 10.1109/FENDT.2014.6928272

Design of bulk wave EMAT using a pulsed electromagnet

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