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Latest News

EconCore licenses technology for thermoplastic honeycomb panels to a leading non-woven manufacturer EconCore, the technology provider for continuous production of honeycomb sandwich materials, has signed a license agreement with a leading non-woven manufacturer.

[view details]03-04-2019

EconCore to highlight lightweight honeycomb production technology for transportation at TMC19 EconCore will be exhibiting at TMC19 in Atlanta, Georgia, USA from 18th-21st March.

[view details]19-03-2019

EconCore to showcase new high-performance honeycomb technology at JEC World 2019 in Paris New material for aircraft and railway interior components

[view details]19-02-2019

Steel composite panels from Tata cut trailer weight by 22% Tesco is trialling eight demonstrator trailers as part of a project, funded by Innovate UK, to test prototype units which are 22% lighter than conventional double-deckers.

[view details]12-02-2019

Covestro and EconCore join forces in composites development Polycarbonate applications in mass transportation - Fire, smoke and toxicity (FST)-performing honeycomb cores and panels

[view details]30-01-2019

Task-distribution

Technology_SandwichTechnology
The task of the core
In lightweight sandwich constructions the core is usually relatively thick and has a much lower density compared to the skins. The primary mechanical requirement for the core layer is to prevent the movement of the skins relative to each other (in-plane and out-of-plane). Sufficient out-of-plane compression properties of the sandwich core are required to support the skins to maintain their distance from the neutral axis, to prevent them from buckling and to restrict their deformations due to local out-of-plane loads. Furthermore, sufficient out-of-plane shear properties of the core are demanded to restrict in-plane displacement of the skins relative to each other due to bending moments and transverse loads. The core layer can furthermore have additional functions e.g. thermal and acoustic isolation or energy absorption during impact.

The task of the skins
The skin layers in sandwich constructions carry the in-plane tensile/compression stresses and in-plane shear stresses. They are usually relatively thin and have a high stiffness and strength. In addition to high mechanical in-plane properties per weight the skin material usually has to fulfill also other requirements like low costs, high surface quality and good impact performance.



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