NDT.net - January 1999, Vol.4 No.1
PACNDT '98 Table of Contents

Pulsed Eddy Current Method Developments for Hidden Corrosion Detection in Aircraft Structures

Capt B.A. Lepine
Research and Development Officer, Air Vehicle Research Detachment, DND
B.P. Wallace
University of Victoria, Cooperative Student
D.S. Forsyth
Institute for Aerospace Research, National Research Council Canada (NRC/IAR)
A. Wyglinski
McGill University, Defence Research Assistant
Corresponding Author Contact:
Email: brian.lepine@nrc.ca

TABLE OF CONTENTS


Introduction

Background

Pulsed Eddy Current System Setup

Specimens

Experimental Procedure

Results and Discussion

Conclusions

Future Work

Acknowledgements

References

  1. J.G. Thompson, "Subsurface Corrosion Detection in Aircraft Lap Splices Using a Dual Frequency Eddy Current Inspection Technique", Materials Evaluation, December 1993, pp 1398-1401.
  2. B.A. Lepine and R.T. Holt, "An Eddy Current Scanning Method for the Detection of Corrosion Under Fasteners in Thick Skin Aircraft Structures", Canadian Aeronautics and Space Journal, March 1997, pp28-33.
  3. S. Mitra, E. Uzal, J.H. Rose, J.C. Moulder, "Eddy Current Measurements of Corrosion-Related Thinning in Aluminum Lap Splices", Review of Progress in Quantitative Nondestructive Evaluation, Vol.12, 1993, pp 2003-2010.
  4. J.A. Bieber, C. Tai, J.C. Moulder, "Quantitative Assessment of Corrosion in Aircraft Structures Using Scanning Pulsed Eddy Current", Review of Progress in QNDE, Vol. 17, 1998, p 315.
  5. D.J. Harrison, "Progress in the Detection of Cracks Under Installed Fasteners Using Eddy Currents", Defence Research Agency Technical Report 91024, RAE, Farnborough UK, April 1991.
  6. D.J. Harrison, "Eddy Current Inspection Using Hall Sensors and Transient Excitation", Defence Research Agency Technical Report DRA/SMC/TR941008, DRA, Farnborough UK, June 1995.
  7. J.C. Moulder, M.W. Kubovich, E. Uzal, J.H. Rose, "Pulsed Eddy Current Measurements of Corrosion Induced Metal Loss: Theory and Experiment", Review of Progress in QNDE, Vol.14, 1995, p 2065.
  8. J.A. Bieber, S.K. Shaligram, J.H. Rose, J.C. Moulder, "Time-gating of Pulsed Eddy Current Signals for Defect Characterization and Discrimination in Aircraft Lap-Joints", Review of Progress in QNDE, Vol. 16, 1997, p 1915.
  9. S.K. Burke, G.R. Hugo, D.J. Harrison, "Transient Eddy-current NDE for Hidden Corrosion in Multilayer Structures", Review of Progress in QNDE, Vol. 17, 1998, p 307.
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