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Rubber Impact on 3D Textile Composites

Article dans une revue avec comité de lecture
Author
HEIMBS, Sebastian
93483 EADS IW
VAN DEN BROUCKE, Björn
93483 EADS IW
DUPLESSIS KERGOMARD, Yann
MALHERBE, Benoit
55697 Airbus [France]
ccDAU, Frédéric

URI
http://hdl.handle.net/10985/8296
DOI
10.1007/s10443-011-9205-z
Date
2012
Journal
Applied Composite Materials

Abstract

A low velocity impact study of aircraft tire rubber on 3D textile-reinforced composite plates was performed experimentally and numerically. In contrast to regular unidirectional composite laminates, no delaminations occur in such a 3D textile composite. Yarn decohesions, matrix cracks and yarn ruptures have been identified as the major damage mechanisms under impact load. An increase in the number of 3D warp yarns is proposed to improve the impact damage resistance. The characteristic of a rubber impact is the high amount of elastic energy stored in the impactor during impact, which was more than 90% of the initial kinetic energy. This large geometrical deformation of the rubber during impact leads to a less localised loading of the target structure and poses great challenges for the numerical modelling. A hyperelastic Mooney-Rivlin constitutive law was used in Abaqus/Explicit based on a step-by-step validation with static rubber compression tests and low velocity impact tests on aluminium plates. Simulation models of the textile weave were developed on the meso- and macro-scale. The final correlation between impact simulation results on 3D textile-reinforced composite plates and impact test data was promising, highlighting the potential of such numerical simulation tools.

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