On the determination of delamination toughness by using multidirectional DCB specimens
In: Polymer Testing, Jg. 29 (2010-09-01), S. 658-666
Online
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Zugriff:
International audience; This work covers the problems encountered in correctly determining mode I interlaminar fracture toughness of composite materials. Pure mode I tests were performed on double cantilever beam (DCB) specimens composed by quasi-homogeneous and uncoupled multidirectional (MD) laminates using 16 or 26-ply: [α/−α2/α/−α/α2/−α]sym or anti-sym and [0/α/−α/02/−α/0/α/02/α/−α/0]sym, with α = 0°,15°,30°,45°,90°. A finite element analysis shows that the non-uniformity ratio β=(GImax−GIav.)/GIav% depends not only on the parameter Dc = D122/(D11D22), but also on the specimen geometrical ratios a/b and a/h. The condition of Dc
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On the determination of delamination toughness by using multidirectional DCB specimens
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Autor/in / Beteiligte Person: | Verchery, Georges ; Gong, Xiaojing ; Hurez, Anita ; Département de Recherche en Ingéniérie des Véhicules pour l'Environnement (DRIVE) ; Université de Bourgogne (UB) |
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Zeitschrift: | Polymer Testing, Jg. 29 (2010-09-01), S. 658-666 |
Veröffentlichung: | Elsevier BV, 2010 |
Medientyp: | unknown |
ISSN: | 0142-9418 (print) |
DOI: | 10.1016/j.polymertesting.2010.04.007 |
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