Impact response of thick composite plates under uniaxial tensile preloading
TypeArticles dans des revues avec comité de lecture
This work focuses on the impact response of composite plates 5 mm thick subjected to uniaxial tension preload. Laminated carbon/epoxy with quasi-isotropic stacking sequence ([0/45/90/-45]2)S samples were used. Doehlert-type design of experiments was proposed to investigate the influence of both preload and impact energy on impact composite responses. Deformation, varying from 300 to 3000 micro-strain, was imposed thanks to a preload device designed for this purpose. Impacts were generated using a home made drop tower. Imposed impact energy was varying from 30 to 214 J. Post-impact damage was characterized by both non-destructive (ultrasound) and destructive (deply) techniques. Influence of the preloading on delamination areas (total and projected) was quantified and found sensitive to the preloading.
Showing items related by title, author, creator and subject.
GUILLAUD, Nicolas; FROUSTEY, Catherine; DAU, Frédéric; VIOT, Philippe; LATAILLADE, Jean-Luc (2013)This study concerns Carbon / epoxy composite plates. Three di erent thickness were investigated ([0°=45°=90°=45°]i)S for i = 2, 3 or 4 (5, 10 and 15mm thick). An instrumented falling-weight-impact test machine was used for ...
MATADI BOUMBIMBA, Rodrigue; VIOT, Philippe; FROUSTEY, Catherine; LEONARDI, Frederic; GERARD, Pierre; INOUBLI, Raber (2013)Epoxy resins are widely used in the design of fibre composite materials. This increasing use finds its reason in the fact that these materials have excellent mechanical and thermal properties. Playing on its chemical ...
BOUMBIMBA, Rodrigue Matadi; VIOT, Philippe; FROUSTEY, Catherine; LEONARDI, Fréderic; GERARD, Pierre; INOUBLI, Raja (2013)Epoxy resins are widely used in the design of fibre composite materials. This increasing use finds its reason in the fact that these materials have excellent mechanical and thermal properties. Playing on its chemical ...
MEALIER, Nicolas; DAU, Frédéric; GUILLAUMAT, Laurent; ARNOUX, Philippe (Probabilistic engineering mechanics, 2010)The aim of this work is to predict the failure probability of a locking system. This failure probability is assessed using complementary methods: the First-Order Reliability Method (FORM) and Second-Order Reliability Method ...
The influence of acrylate triblock copolymer embedded in matrix on composite structures’ responses to low-velocity impacts DENNEULIN, Sébastien; VIOT, Philippe; LEONARDI, Frédéric; LATAILLADE, Jean-Luc (Elsevier, 2012)In passive safety structures the use of composite materials has increased significantly recently due to their low specific mass and high energy absorption capacities. The purpose of this experimental study is to describe ...