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Researchers Use MRI In Textile Applications

Researchers at the Georgia Institute of Technology, Atlanta, are using magnetic resonance imaging (MRI) for a broad range of industrial applications, including watching carpet dry from the inside and studying how fabrics wick moisture away from the body.Results from this information could lead to faster and more efficient drying processes, carpet that is less prone to mildew and fabrics that are more comfortable to wear.Using MRI information, researchers have been able to examine how moisture flows into carpets, measure where it accumulates and monitor it removal as a function of time.Magnetic resonance imaging uses powerful magnetic fields to align the magnetic moments of the nuclei in molecules. Following the pulse of electromagnetic radiation, the nuclei return to their original state and give off a signal that can be measured and analyzed. The advantages for us are the same as for the medical community, the technique is non-invasive, said Dr. Haskell W. Beckham, associate professor, School of Textile and Fiber Engineering, Georgia Tech. We dont need special tracers, dyes or contrast agents for image capture and information can be extracted rom arbitrary locations inside opaque objective. For carpets and textiles, you cant get this information any other way.

November 1999




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