Using Giant Magneto-Resistance Sensors in Remote Field Eddy Current Tube Inspection

A. Lopes Ribeiro, H. M. Geirinhas Ramos, Dário Pasadas, Tiago Rocha
Abstract:
This paper presents a remote field eddy current probe that includes a giant magneto-resistance (GMR) as magnetic sensor in order to detect longitudinal and circumferential defects in stainless steel tubes. The high sensibility of the GMR sensor in a large frequency range (0 Hz – 1 MHz) allows us to consider that it can be a good candidate to analyze several defects in tubing by a remote field testing method. Experimental data were acquired by a measurement system to verify the sensibility of the GMR in defect detection and to create a new probe. In this work, simulations were also made in order to verify the veracity of the obtained experimental results.
Download:
IMEKO-TC10-2013-022.pdf
DOI:
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Event details
IMEKO TC:
TC10
Event name:
TC10 Workshop 2013
Title:

12th IMEKO TC10 Workshop "New Perspectives in Measurements, Tools and Techniques for Industrial Applications"

Place:
Florence, ITALY
Time:
06 June 2013 - 07 June 2013