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On the applicability of acoustic emission to identify modes of damage in full-scale composite fuselage structures
Journal article   Peer reviewed

On the applicability of acoustic emission to identify modes of damage in full-scale composite fuselage structures

Jonathan Awerbuch, Frank A. Leone, Didem Ozevin and Tein-Min Tan
Journal of composite materials, v 50(4), pp 447-469
01 Feb 2016
DOI: https://doi.org/10.1177/0021998315576379
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Materials Science Materials Science, Composites Science & Technology Technology
The acoustic emission method was applied during the testing of six full-scale sandwich composite aircraft fuselage panels containing through-the-thickness notches. The panels were subjected to different combinations of quasi-static internal pressure, the corresponding hoop loads, and longitudinal loads. The applicability of conventional acoustic emission signal feature analysis to identify the dominant modes of failure and extraneous emission in large composite structures was investigated. It was concluded that no clear distinction could be made among the different failure mechanisms based on the conventional acoustic emission signal features alone. Further, emission generated by fretting, either among fracture surfaces or of loading fixtures, has acoustic emission signal waveform features that are similar to those of damage-generated emission signals.

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13 citations in Web of Science
14 citations in Scopus

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Collaboration types
Domestic collaboration
Web of Science research areas
Materials Science, Composites
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