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Pulsed eddy current systems for defect and geometrical profile measurement

Lookup NU author(s): Professor Gui Yun TianORCiD, Anthony Simm


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Pulsed electromagnetic Non-destructive Evaluation (NDE) techniques can be used for defect detection and stress assessment. Currently there is no single technique which would have the capability to provide a comprehensive picture of these material changes, therefore the fusion of data from a number of different sensors is required for early failure prediction. In contrast to fusion techniques, signal feature separation can be applied for defect as well as lift-off measurement. Eddy current sensors can be applied for displacement (proximity) measurement as well as NDE for defect detection and material characterisation. For displacement measurement, one of research aims is to overcome measurement uncertainties due to material variation and in-homogeneity. After the introduction of pulsed eddy current (PEC) NDE, this work reports the separation of pulsed eddy current responses for surface profile and defect inspection. Experimental studies of pulsed eddy current for defects and surface profile measurement are reported.

Publication metadata

Author(s): Tian GY, He YZ, Simm A

Editor(s): Fan, K.C., Lu, R.S., Song, M.

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 7th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI)

Year of Conference: 2011

Pages: 832143

ISSN: 0277-786X

Publisher: SPIE


DOI: 10.1117/12.912719

Library holdings: Search Newcastle University Library for this item

Series Title: Proceedings of SPIE

ISBN: 9780819479402