Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/11850
Title: Investigation of an encircling pulsed eddy current probe for corrosion detection
Authors: Majidnia, S
Nilavalan, R
Rudlin, J
Keywords: Pulsed Eddy Current;Encircling Probe;Array Probe
Issue Date: 2014
Publisher: IEEE
Citation: Proceedings of IEEE Sensors, pp. 835 - 838, Valencia, 2-5 November 2014,
Abstract: Pulsed Eddy Current (PEC) is an emerging nondestructive testing and evaluation (NDT & E) technique and has been used for a wide range of conductive materials. Existing Pulsed Eddy Current probes use surface type probes on pipes. For this type of probes, it is assumed that the diameter of the pipe is significantly larger than that of the excitation coil and the pipe wall is assumed as a plate. In this work, a new encircling pulsed eddy current probe is proposed. The system aims to increase the scanned area by taking advantage of an encircling coil to scan the complete circumference of a pipe with a single pulse. The proposed system consists of an encircling driver coil, Giant magnetoresistance (GMR) magnetic field sensors, a conditioning circuit, a data acquisition card connected to a computer with Matlab software for signal processing and presentation.
URI: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6985129
http://bura.brunel.ac.uk/handle/2438/11850
DOI: http://dx.doi.org/10.1109/ICSENS.2014.6985129
ISSN: 1930-0395
2168-9229
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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