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Weight and cost reduction with double-doble laminates / Stephen W. Tsai in JEC COMPOSITES MAGAZINE, N° 137 (11-12/2020)

Titre :	Weight and cost reduction with double-doble laminates
Type de document :	texte imprimé
Auteurs :	Stephen W. Tsai, Auteur ; William E. Guin, Auteur ; Aniello Riccio, Auteur ; Francesco di Caprio, Auteur ; Thierry Massard, Auteur
Année de publication :	2020
Article en page(s) :	p. 64-65
Langues :	Anglais (eng)
Catégories :	Coût -- Contrôle Eléments finis, Méthode des Industries aérospatiales -- Matériaux Matériaux -- Allègement Stratifiés
Index. décimale :	668.4 Plastiques, vinyles
Résumé :	This paper describes an instantaneous method to convert a structure made of a quad laminate into the best double-double laminate with significantly reduced weight and thickness. This method is offered free to interested parties. Double-double is a 4-ply thick laminate building block that can be tapered with ply drops that are not possible with traditionally thick quad laminates. This theoretical taper can be smoothed to facilitate manufacturing, leading to an even more significant cost reduction.
Note de contenu :	- Conversion process - NASA example - University of Campania/CIRA example - Fig. 1 : Typical quad laminates and their replacement by a double-double laminate - Fig. 2 : Finite element model used in the adapter evaluation. Note the region of interest and generic load introduction structure considered - Fig. 3 : Fuselage model and the considered 42 regions and DD optimized configuration
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35480

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