Field Mapping and Performance Characterization of Commercial Eddy Current Probes
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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
The reliability of eddy current nondestructive evaluation (NDE) depends not only on correct operator procedure but also on probe quality. With the increasing emphasis on detecting smaller flaws, the logical question is, “How can probe quality be measured quantitatively?” Electrical parameters are commonly measured to determine proper impedance matching of the probes to detection instruments. While this is important, impedance matching by itself is not necessarily an assurance of satisfactory eddy current probe performance.