Topic
Sandwich panel
About: Sandwich panel is a research topic. Over the lifetime, 4665 publications have been published within this topic receiving 49812 citations.
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TL;DR: In this paper, a hierarchical core structure was introduced to sandwich panels for bearing the blast loading, in which each vertex of a regular hexagonal cell was replaced with a smaller hexagonal unit.
Abstract: This paper introduces a novel hierarchical core structure to sandwich panel for bearing the blast loading, in which each vertex of a regular hexagonal cell was replaced with a smaller hexagonal unit. The finite element (FE) models of such hierarchical honeycomb sandwich panels were established and validated with the experiments under different impulse loads. The hierarchical honeycomb cores were compared with the regular honeycomb counterpart in terms of the peak deflection on the back facesheet, compression and specific energy absorption (SEA) of the core. The results showed that the maximum deflection at the back facesheet of the hierarchical honeycomb sandwich panels were smaller than the regular honeycomb counterpart for a higher level of blast load (specifically, the dimensionless impulse higher than 0.06). It was found that the structural hierarchical parameter γ (i.e. the ratio of the newly-introduced smaller hexagonal edge length (L1) to the regular hexagon edge length (L0)), had limited influence on the maximum deflection of back facesheet of the sandwich panel, but had a significant effect on the SEA of the cores.
82 citations
TL;DR: In this paper, a multifunctional heat pipe sandwich panel combining efficient structural load support and thermal management characteristics has been designed and experimentally assessed, which is based upon a truncated, square honeycomb sandwich structure.
82 citations
TL;DR: A novel sandwich panel with three-dimensional double-V Auxetic (DVA) structure core was proposed for air blast protection purpose and performed much better both in lightweight and protection than solid plate and has an apparent merit in lightweight aspect compared with square honeycomb core sandwich panel.
82 citations
TL;DR: In this article, a tailor-folding method is proposed to make an all-composite sandwich panel with a carbon fiber reinforced polymer (CFRP) hexagon honeycomb core.
82 citations
TL;DR: A review of precast concrete sandwich panels can be found in this paper, where the authors evaluate the body of research undertaken and analyse proposed design-solutions and test-results to identify future research focuses.
82 citations