Modelling of composite sandwich structures with honeycomb core subjected to high-velocity impact

In this study the perforation of composite sandwich structures subjected to high-velocity impact was analysed. Sandwich panels with carbon/epoxy skins and an aluminium honeycomb core were modelled by a three-dimensional finite element model implemented in ABAQUS/Explicit. The model was validated wit...

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Bibliographic Details
Published in:Composite structures 2010-08, Vol.92 (9), p.2090-2096
Main Authors: Buitrago, Brenda L., Santiuste, Carlos, Sánchez-Sáez, Sonia, Barbero, Enrique, Navarro, Carlos
Format: Article
Language:English
Subjects:
Aluminum
Applied sciences
Carbon
Composites
Exact sciences and technology
Finite element method
Forms of application and semi-finished materials
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
High-velocity impact
Honeycomb core
Honeycomb cores
Inelasticity (thermoplasticity, viscoplasticity...)
Mathematical models
Numerical simulation
Physics
Polymer industry, paints, wood
Projectiles
Sandwich construction
Sandwich structures
Solid mechanics
Structural and continuum mechanics
Technology of polymers
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Summary:In this study the perforation of composite sandwich structures subjected to high-velocity impact was analysed. Sandwich panels with carbon/epoxy skins and an aluminium honeycomb core were modelled by a three-dimensional finite element model implemented in ABAQUS/Explicit. The model was validated with experimental tests by comparing numerical and experimental residual velocity, ballistic limit, and contact time. By this model the influence of the components on the behaviour of the sandwich panel under impact load was evaluated; also, the contribution of the failure mechanisms to the energy-absorption of the projectile kinetic energy was determined.
ISSN:0263-8223
1879-1085
DOI:10.1016/j.compstruct.2009.10.013