Wave Propagation and Acoustic Emission in Layered Composites

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Date
1977
Authors
Scott, W
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

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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I will be presenting two different phases of our NDT composites program. The first of these, an in-house effort, is on the use of ultrasonic techniques, including spectrum analysis, for the nondestructive testing of composite materials. The second part of the presentation will be on characterization of acoustic emissions for boron/aluminum. This latter program is a joint effort between NADC and the University of Delaware. By way of background, Fig. 1 shows a diagram of an apparatus used for ultrasonic detection and mapping of flaws in composites. This is quite a conventional apparatus with the possible exception of the incorporation of the spectrum analysis capability.

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