DocumentCode
2474062
Title
10D-3 Long Range Guided Wave Inspection of Pipelines by a New Local Magnetostrictive Transducer
Author
Bertoncini, F. ; Raugi, M. ; Turcu, F. ; Acciani, G. ; Brunetti, G. ; Fornarelli, G.
Author_Institution
Univ. di Pisa, Pisa
fYear
2007
fDate
28-31 Oct. 2007
Firstpage
913
Lastpage
916
Abstract
In this paper, a new sensor for ultrasonic guided waves (UGW) acquisition is described. It is capable of localized step-by-step signal acquisition making possible defect identification and classification. In addition, the effectiveness of a method for defect classification is investigated. It is based on the evaluation of the angular profiles corresponding to each detected echo. Finally, the method was tested on experimental results.
Keywords
acoustic signal detection; flaw detection; pipelines; signal classification; ultrasonic materials testing; ultrasonic transducers; defect classification; defect identification; local magnetostrictive transducer; localized step-by-step signal acquisition; long range guided wave inspection; pipelines inspection; ultrasonic guided waves acquisition; Data acquisition; Information geometry; Inspection; Magnetostriction; Piezoelectric transducers; Pipelines; Reflection; Signal processing; Ultrasonic transducers; Wavelet domain;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 2007. IEEE
Conference_Location
New York, NY
ISSN
1051-0117
Print_ISBN
978-1-4244-1384-3
Electronic_ISBN
1051-0117
Type
conf
DOI
10.1109/ULTSYM.2007.233
Filename
4409806
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