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Analysis of the influence of lift-off variation on Eddy-Current images

Lookup NU author(s): Ibukun Adewale, Professor Gui Yun TianORCiD


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The development of lift-off invariant strategies is one of the main goals in Eddy Current Non-Destructive Testing research. In this paper various imaging procedures for Eddy Current Testing are analyzed with respect to change of lift-off and tested by varying randomly the lift-off value at every point in a measurement grid. The experimental data, collected with both chirp and multi-frequency excitation, shows that imaging procedures relying on phase analysis are quite insensitive to liftoff variation and then more robust with respect to imaging procedures based on the visualization of amplitude-derived features.

Publication metadata

Author(s): Ricci M, Silipigni G, Ferrigno L, Laracca M, Adewale ID, Tian GY

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2015 2nd IEEE International Workshop on Metrology for Aerospace (MetroAeroSpace)

Year of Conference: 2015

Pages: 182-187

Print publication date: 01/01/2015

Online publication date: 06/08/2015

Acceptance date: 01/01/1900

Publisher: IEEE


DOI: 10.1109/MetroAeroSpace.2015.7180650

Library holdings: Search Newcastle University Library for this item

ISBN: 9781479975693