Scattering of SH Waves by Cracks and Delaminations in a Cladded Plate
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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
Recent investigations of space construction have explored the use of Al cladded graphite/epoxy materials for space platforms. Characterization of potential flaws and joints in the cladded material by non-destructive evaluation (NDE) methods ensures the reliability of the structure. One possible NDE method is to use anti-plane shear (SH) waves generated and detected by electromagnetic-acoustic transducers (EMATs). There have been some investigations on the interactions of SH waves with delamination defects in a bimaterial plate. References to some of these can be found in Kundu[l,2]. Scattering of SH waves by cracks in a homogeneous plate was studied by Abduljabbar, et al. [3–5].