Thermographic Detection of Delaminations in Laminated Structures
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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 detection of disbonds in a laminated structure is the focus of many nondestructive techniques.One of the promising techniques is thermography, where heat is applied to a structure, and the subsequent temperature profiles are detected with an infrared (IR) imager.If there is an even application of heat, an elevated temperature profile will appear, as a result of the reduction in heat flow from the surface layer to subsurface layers.Two advantages of the thermographic technique over more conventional ultrasonic techniques are that it can be easily made noncontacting and that large areas can be inspected in a short period of time.