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honeycomb
Definição1
A low-density structural technique and material based on a hexagon-cell honeycomb sandwiched between two sheets that are too thin to be stable alone. A honeycomb can be made from aluminium foil, fiberglass, or paper. Such a structure has practically no strength against side loads, but it has exceptional strength against loads applied in the line with its openings.
Fonte1
KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Manual of aircraft accident and incident investigation. Part III: investigation. 1st ed. Montreal, 2011. (Doc. 9756)
Contexto
The face sheets of aircraft sandwich structures are typically made of carbon or glass fiber laminates, depending on the anticipated operating conditions. The two most common core materials are plastic foam and honeycomb. Honeycomb can be made of plastic, paper, or metal. In most constructions, the face sheets are bonded to the core with structural adhesive film.
Subárea1
Aircraft Structure
Português
colmeia
Imagem

 Panneau sandwich composite (A) avec âme en nid d'abeille (C) et plaques frontales (B).

Panneau sandwich composite (A) avec âme en nid d'abeille (C) et plaques frontales (B).

Fonte: http://en.wikipedia.org/wiki/File:CompositeSandwich.png