Development of a Single-Side NMR Magnet for NDE Applications
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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
In recent years, nuclear magnetic resonance (NMR) technology has been successfully utilized in a number of aerospace NDE applications. It is currently being investigated as an cure monitoring technique for advanced composites fabrication processes. Because of the sensitivity of NMR to hydrogen motion, it is very sensitive to changes in resin viscosity due to elevated temperatures. However, NMR magnets have traditionally been large and heavy in order to achieve the magnetic field strength and homogeneity necessary for acceptable signal-to-noise ratio.