Edge Detection on Eddy Current Image to Increase Defect Characterization - Archive ouverte HAL Access content directly
Book Sections Year : 1996

Edge Detection on Eddy Current Image to Increase Defect Characterization

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Bruno Benoist
  • Function : Author
P. Attaoui
  • Function : Author
Remy La
  • Function : Author
Régis Lengellé
  • Function : Author
  • PersonId : 1093755
Paul Gaillard
  • Function : Author
  • PersonId : 917466
Jacques Reuchet
  • Function : Author

Abstract

As the nuclear yard ages, the control of steam generator tubes (SGT) must deal with new problems. In fact new defects appear, especially in the area of the tube sheet, of the tube support or at the U-bend area. Eddy current testing using Rotating Probe Coil (absolute mode) gives a better resolution. These measurements allow smaller defects to be detected along different orientations, especially defects along the circumference in the rolling transition. Signals collected during the exploration of the tube internal wall with this coil contain the useful information which is represented in the form of a cartography (or image) for each of the signal complex components.

Dates and versions

hal-02862180 , version 1 (09-06-2020)

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Cite

Bruno Benoist, P. Attaoui, Remy La, Régis Lengellé, Paul Gaillard, et al.. Edge Detection on Eddy Current Image to Increase Defect Characterization. Review of Progress in Quantitative Nondestructive Evaluation, Springer US, pp.829-836, 1996, ⟨10.1007/978-1-4613-0383-1_108⟩. ⟨hal-02862180⟩

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CEA UNIV-COMPIEGNE
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