Detection of Coating Adhesion Defects Using Fast Infrared Scanning Technique
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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 the past ten years a variety of thermal wave nondestructive measurement systems have been developed but most of them are too slow, fragile or expensive in order to be applied in industry. The standard approach to increase the measurement speed has been to apply a uniform heat pulse and to monitor c he surface temperature with an infrared camera [1]. However, in many practical situations the full speed of an infrared camera is not really needed and thus a moving line source can be used for heating and the surface temperature rise can be detected with a one dimensional infrared scanner without a significant increase in inspection time. This approach has several benefits including: