An Eddy Current Method for Flaw Characterization from Spatially Periodic Current Sheets

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1990
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Nair, Satish
Rose, James
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.

This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.

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Abstract

Early NDE research primarily focused on the ability to develop techniques which could detect flaws in structures. Eddy currents, induced by exciting coil probes placed over a structure, were found to be a valuable tool in detecting flaws in conducting materials. In recent years, efforts have been expanded from the detection of defects to a more quantitative characterization of flaws. In metallic structures, the important flaw characteristics consist of the flaw’s depth, position, size, shape, and material properties (flaw electrical conductivity, magnetic permeability etc.). This paper continues our efforts of the past two years to recover flaw characteristics from eddy current data.

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Mon Jan 01 00:00:00 UTC 1990