Adhesion characterization and defect sizing of sandwich honeycomb composites.
Identifieur interne : 000199 ( Main/Exploration ); précédent : 000198; suivant : 000200Adhesion characterization and defect sizing of sandwich honeycomb composites.
Auteurs : Elhadji Barra Ndiaye [France] ; Pierre Maréchal [France] ; Hugues Duflo [France]Source :
- Ultrasonics [ 1874-9968 ] ; 2015.
Abstract
Defects may appear in composite structures during their life cycle. A 10MHz 128 elements phased array transducer was investigated to characterize join bonds and defects in sandwich honeycomb composite structures. An adequate focal law throughout the composite skin gives the ultrasonic dispersive properties of the composite skin and glue layer behind. The resulting B-scan cartographies allow characterizing locally the honeycomb adhesion. Experimental measurements are compared in good agreement with the Debye Series Method (DSM). In the processed C-scan image, flaws are detectable and measurable, localized both in the scanning plane and in the thickness of the composite skin.
DOI: 10.1016/j.ultras.2015.05.007
PubMed: 26138595
Affiliations:
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A 10MHz 128 elements phased array transducer was investigated to characterize join bonds and defects in sandwich honeycomb composite structures. An adequate focal law throughout the composite skin gives the ultrasonic dispersive properties of the composite skin and glue layer behind. The resulting B-scan cartographies allow characterizing locally the honeycomb adhesion. Experimental measurements are compared in good agreement with the Debye Series Method (DSM). In the processed C-scan image, flaws are detectable and measurable, localized both in the scanning plane and in the thickness of the composite skin.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Hauts-de-France</li><li>Picardie</li></region><settlement><li>76058 Le Havre</li></settlement><orgName><li>Université du Havre</li></orgName></list><tree><country name="France"><region name="Hauts-de-France"><name sortKey="Ndiaye, Elhadji Barra" sort="Ndiaye, Elhadji Barra" uniqKey="Ndiaye E" first="Elhadji Barra" last="Ndiaye">Elhadji Barra Ndiaye</name></region><name sortKey="Duflo, Hugues" sort="Duflo, Hugues" uniqKey="Duflo H" first="Hugues" last="Duflo">Hugues Duflo</name><name sortKey="Marechal, Pierre" sort="Marechal, Pierre" uniqKey="Marechal P" first="Pierre" last="Maréchal">Pierre Maréchal</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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