Defect Characterization in Composites Using a Thermal Tomography Algorithm
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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
Thermal NDE can be effectively applied for detection of the defects having thermal properties different from the surrounding material. Different image processing procedures help to localize amplitude variations produced by the subsurface defects on thermograms received during the cooling stage after a heat excitation of the subject surface. An application of the thermal tomography method for quantitative defect characterization and defect visualization in composites is studied. The emphasis of the study is the automation of processing of the thermal images.