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Probe Footprint Estimation in Eddy-Current Imaging

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Review of Progress in Quantitative Nondestructive Evaluation

Abstract

Eddy-current imaging has been described in detail in previous publications [1,2,3]. As with other imaging systems, the image of an object represents blurring of the structures of the object by the system point spread function (PSF). Differing from other imaging systems, the PSF is very large and causes great spatial blurring of the object. This is because the eddy-current probe is a coil; its active area is much greater than the size of a beam of light, sound, or x-rays.

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References

  1. R. O. McCary, D. W. Oliver, K. H. Silverstein, and J. D. Young, “Eddy Current Imaging,” IEEE Trans. on Magnetics, Vol. Mag-20, No. 5, Sept 1984

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  2. R. E. Joynson, R. O. McCary, D. W. Oliver, K. H. Silverstein-Hedengren, and L.L. Thumhart “Eddy Current Imaging of Surface Breaking Structures,” IEEE Trans. on Magnetics, Vol. Mag-22, No. 5, Sept 1986

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  3. K. H. Hedengren, R. O. McCary, J. D. Young, “Use of Imaging Techniques for Eddy Current NDE,” in Review of Progress in Quantitative NDE, edited by D.O. Thompson and D.E. Chimenti ( Plenum Press, New York, 1988 ), Vol. 7A, pp. 357–365

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Author information

Authors and Affiliations

  1. G.E. Corporate Research and Development, P.O. Box 8, Schenectady, NY, 12301, USA

    K. H. Hedengren & D. E. Ritscher

  2. North Carolina State University, Box 7914, Raleigh, NC, 27695, USA

    B. R. Groshong

Authors
  1. K. H. Hedengren
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  2. D. E. Ritscher
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  3. B. R. Groshong
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Editor information

Editors and Affiliations

  1. Center for NDE Ames Laboratory (USDOE) and Department of Engineering Science and Mechanics, Iowa State University, 50011, Ames, Iowa, USA

    Donald O. Thompson

  2. Center for NDE and Department of Materials Science and Engineering, The Johns Hopkins University, 21218, Baltimore, Maryland, USA

    Dale E. Chimenti

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© 1990 Springer Science+Business Media New York

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Hedengren, K.H., Ritscher, D.E., Groshong, B.R. (1990). Probe Footprint Estimation in Eddy-Current Imaging. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Review of Progress in Quantitative Nondestructive Evaluation. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-5772-8_107

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  • DOI: https://doi.org/10.1007/978-1-4684-5772-8_107

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-5774-2

  • Online ISBN: 978-1-4684-5772-8

  • eBook Packages: Springer Book Archive

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