EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)

Nurmalia; Nakamura, N.; Ogi, H.; Hirao, M.

doi:https://doi.org/10.1016/j.ndteint.2017.01.009

EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)

Nurmalia; Nakamura, N.; Ogi, H. et al.

NDT & E International, 2017, 87, 78-84

アクセス数:525件（2025-08-01 02:31 集計）

固定URL: https://hdl.handle.net/11094/84479

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タイトル	EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)
著者	著者名 Nurmalia
	NRID 1000050452404 1000050452404 researchmap permalink nnakamura nnakamura Scopus Author ID 7403356186 7403356186 ORCID 0000-0002-5338-842X 0000-0002-5338-842X 著者名 Nakamura, N.
	NRID 1000090252626 1000090252626 researchmap permalink read0042771 read0042771 Scopus Author ID 35563683500 35563683500 著者名 Ogi, H.
	NRID 1000080112027 1000080112027 著者名 Hirao, M.
キーワード等	EMAT
	Torsional guided wave
	Pipe inspection
	Phase
	Mode conversion
抄録	We developed a pitch-catch system based on electromagnetic acoustic transducers (EMATs) for pipe inspection, which moves inside the pipe in the axial direction. The first higher mode, T(0,2), of the torsional guided wave is transmitted and detected, and variations of amplitude and phase are measured while moving the EMATs. Several aluminum pipes containing dish-shaped defects are inspected, and the amplitude and phase show enough detection sensitivity. It is found that the phase measurement has better potential as a tool for quantitative inspection. The applicability of the technique for steel pipe is also confirmed.
出版者	Elsevier Ltd
収録物名	NDT & E International
巻(号)	87
ページ	78-84
刊行年月	2017-04
言語	英語
ハンドルURL	https://hdl.handle.net/11094/84479
PISSN	09638695
NCID	AA10816574
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1016/j.ndteint.2017.01.009
アクセス権	open access
権利情報	© 2017 Elsevier Ltd. This manuscript version is made available under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	NDT & E International. 2017, 87, p. 78-84
DC.title	EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)
DC.creator	Nurmalia
	Nakamura, N.
	Ogi, H.
	Hirao, M.
DC.publisher	Elsevier Ltd
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2017-04
DC.identifier	https://doi.org/10.1016/j.ndteint.2017.01.009
DC.subject	EMAT
	Torsional guided wave
	Pipe inspection
	Phase
	Mode conversion
DCTERMS.abstract	We developed a pitch-catch system based on electromagnetic acoustic transducers (EMATs) for pipe inspection, which moves inside the pipe in the axial direction. The first higher mode, T(0,2), of the torsional guided wave is transmitted and detected, and variations of amplitude and phase are measured while moving the EMATs. Several aluminum pipes containing dish-shaped defects are inspected, and the amplitude and phase show enough detection sensitivity. It is found that the phase measurement has better potential as a tool for quantitative inspection. The applicability of the technique for steel pipe is also confirmed.
DC.rights	© 2017 Elsevier Ltd. This manuscript version is made available under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
DC.format	84479
citation_title	EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)
citation_author	Nurmalia
	Nakamura, N.
	Ogi, H.
	Hirao, M.
citation_publisher	Elsevier Ltd
citation_language	英語
citation_date	2017-04
citation_journal_title	NDT & E International
citation_volume	87
citation_firstpage	78
citation_lastpage	84
citation_doi	https://doi.org/10.1016/j.ndteint.2017.01.009
citation_public_url	https://hdl.handle.net/11094/84479

EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)

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