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Crack Depth Measurement using Eddy-Current NDE

S K Burke
Aeronautical and Maritime Research Laboratory
Defence Science and Technology Organisation
506 Lorimer Street, Fishermans Bend, VIC 3207
AUSTRALIA.
Contact

ABSTRACT

INTRODUCTION

CRACK DEPTH MEASUREMENT

NEW TECHNIQUES FOR EDDY-CURRENT CRACK DEPTH MEASUREMENT

CONCLUSION

REFERENCES

  1. R E Beissner (1994) "Slots vs cracks in eddy-current NDE" J.Nondestr.Eval. 13 175-183.
  2. B C Bishop and N T Goldsmith (1984) "The analysis of eddy-current signals from fatigue cracks" Nondestructive Testing Australia 21 6-8.
  3. J R Bowler, S J Norton and D J Harrison (1994) "Eddy-current interaction with an ideal crack. II. The inverse problem", J.Appl.Phys. 75 8138-8144.
  4. S K Burke (1994) "Eddy-current inversion in the thin-skin limit" J.Appl.Phys. 76 3072-3080.
  5. R J Ditchburn, S K Burke and C M Scala (1996) "NDT of welds: state of the art" NDT&E International 29 111-117.
  6. J K Donald and J Ruschau (1991) "Direct current potential difference fatigue crack measurement techniques" Fatigue crack measurement: techniques and applications K J Marsh, R A Smith and R O Ritchie (eds), EMAS, Warley, West Midlands, 11-38.
  7. P Hart and S K Burke (1997) "Benchmark computation of magnetic fields in a nondestructive testing application" 11th Compumod Australasian User's Conference, Cairns, QLD.
  8. W D Rummel, J C Moulder and N Nakagawa (1994) "The comparative responses of cracks and slots in eddy-current measurements" Review of progress in quantitative NDE D O Thompson and D E Chimenti (eds), Vol.10A pp.277-283, Plenum Press, New York.
  9. C M Scala and S J Bowles (2000) "Laser ultrasonics for surface-crack depth measurement using transmitted near-field Rayleigh waves" Review of progress in quantitative NDE D O Thompson and D E Chimenti (eds), American Institute of Physics CP509, USA.
  10. M Silk (1991) "Ultrasonics" Fatigue crack measurement: techniques and applications K J Marsh, R A Smith and R O Ritchie (eds), EMAS, Warley, West Midlands, 95-146.
  11. J Zhou, M C Lugg and R Collins (1999) "A nonuniform model for alternating current field measurement of fatigue cracks in metals" Int.J.Appl.Electromag.Mech. 10 221-235.

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