A Homomorphic Deconvolution Technique for Improved Ultrasonic Imaging of Thin Composite Laminates
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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
Advanced composites, particularly high modulus laminates, are often susceptible to transverse impact loading. The major damage introduced due to low velocity impact includes matrix cracking, fiber break and delaminations. Such flaws tend to reduce residual strength of the material and may cause structural failure when the material is subjected to higher operating loads [1,2]. Unfortunately, such a damage cannot be observed on the surface until failure; hence, structural integrity should be assessed by nondestructive evaluation (NDE) methods at the earliest possible stage.