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Acoustic detection of invisible damage in aircraft composite panels

Dickinson, L P; Fletcher, Neville H


The wing and body panels of modern commercial and military aircraft often consist of a three-layer structure in which two thin skins of fibre-reinforced composite or of aluminium are held apart by a much thicker core consisting of a honeycomb structure made from either folded paper-like material impregnated with aramid resin or from thin, folded aluminium sheet. A major maintenance inspection problem arises from the fact that impact by a heavy soft object has the potential to deflect the skin...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Applied Acoustics
DOI: 10.1016/j.apacoust.2007.12.012


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