The design freedom provided by additive manufacturing offers new opportunities to fabricate novel structures with a high lightweight potential, such as strut-based lattice structures. These consist of periodically repeated unit cells and can be used in several applications due their outstanding mechanical performance. One the possible are cores sandwich panels since lattices offer comparable pr...

The Beetle Elytron Plate (BEP) is a new class of biomimetic sandwich core that features excellent compressive strength, energy absorption capacity and flexural properties. These characteristics make BEPs suitable as potential replacements classical honeycomb cores in panels. This work describes the behaviour in-plane engineering elastic constants parametric BEP topologies for first time. beetle...

This paper reports on the production and evaluation of a new class “Z-axis” composite sandwich panel where core consists dense array vertically-aligned, 3 mm long E-glass fibre “beams”. The bundles were aligned using electrostatic charging. A procedure was developed to retain orientation short-fibre whilst they impregnated cured with an epoxy/amine resin system. skins manufactured from 4-ply ca...

Integrating innovative solutions for ship design has always been a great challenge the maritime sector due to complex and construction processes. With this scenario in mind, objective of study was develop procedure evaluate potential benefits arising from integration light-weight structures hull structural design. To achieve such an objective, hybrid solution, which aluminium honeycomb sandwich...

Auxetic cellular solids in the forms of honeycombs and foams have great potential in a diverse range of applications, including as core material in curved sandwich panel composite components, radome applications, directional pass band filters, adaptive and deployable structures, filters and sieves, seat cushion material, energy absorption components, viscoelastic damping materials and fastening...

Please cite this article in press as: Xiong J et al. M doi:10.1016/j.matdes.2010.08.016 A new type of lightweight sandwich panels consisting of vertically aligned hollow Al–Si alloy tubes as core construction and carbon fiber composite face sheets was designed. The hollow Al–Si alloy tubes were fabricated using precision casting and were bonded to the face sheets using an epoxy adhesive. The ou...

scale transmission loss facility for flat lightweight panels. Abstract: The design, construction and qualification of a small-scale sound transmission loss (STL) facility are described. STL measurements were made using the sound intensity technique based on ASTM E 2249-02 [1]. The volume of the irregular-shaped reverberant source chamber was 15 m 3 , and the volume of the regular-shaped anechoi...