Remote field eddy current inspection of metallic tubes using GMR sensors

Author

Pasadas, D.J. ; Rocha, T.J. ; Ramos, Helena G. ; Lopes Ribeiro, A.

Author_Institution

Inst. Super. Tecnico, UTL, Lisbon, Portugal

fYear

2013

fDate

6-9 May 2013

Firstpage

296

Lastpage

299

Abstract

This article describes the inspection of metallic tubes using the remote field eddy current method. The excellent performance of giant magneto-resistance sensors in what concerns sensitivity, linearity, large bandwidth and direct assess to the magnetic field makes it a good choice for defect inspection in the applications where the measurement of low amplitude and low frequency magnetic fields is necessary. Experimental results with an artificial machined defect were included in the paper.

Keywords

eddy currents; giant magnetoresistance; inspection; magnetic field measurement; magnetic sensors; GMR sensors; artificial machined defect; defect inspection; giant magneto-resistance sensors; low amplitude measurement; low frequency magnetic field measurement; magnetic field; metallic tubes; remote field eddy current inspection method; Coils; Eddy currents; Electron tubes; Inspection; Magnetic field measurement; Magnetic fields; Sensors; GMR; remote field eddy current; tube inspection;

fLanguage

English

Publisher

ieee

Conference_Titel

Instrumentation and Measurement Technology Conference (I2MTC), 2013 IEEE International

Conference_Location

Minneapolis, MN

ISSN

1091-5281

Print_ISBN

978-1-4673-4621-4

Type

conf

DOI

10.1109/I2MTC.2013.6555427

Filename

6555427