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US 12,397,520 B2Granted
Honeycomb structure having improved thermal conductivity
AssigneeAirbus Operations GmbH
InventorsLaurent Caliman, Florian Ravise, Arnaud Bourhis
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Abstract
A honeycomb structure having a core made up of a plurality of corrugated sheets which are superposed and adhesively bonded together is described. The corrugated sheets are made from a thermally insulating material. Bear filaments are made up of thermally conductive filaments. The honeycomb structure can be used when the ambient temperature exceeds, for example, 120° C.
Claims4
A method for manufacturing a honeycomb structure, said method comprising:
- a provision step during which a sheet to be fixed and made from a thermally insulating material is provided, wherein a face of the sheet to be fixed bears filaments made of thermally conductive filaments;
- a stacking and fixing step during which said sheet to be fixed is fixed to a similar sheet to be fixed obtained during a preceding cycle;
- a step of returning to the provision step until a stack of the desired number of sheets is obtained;
- a stretching step during which the stack of sheets thus obtained is stretched parallel to a stacking direction in order to shape the sheets of the stack into a corrugated form;
- an impregnating step during which the stack of sheets thus obtained is entirely impregnated with a phenolic resin;
- and
- a polymerizing step during which the phenolic resin is polymerized,
- wherein, prior to the provision step, the filaments are independent of the sheet, then fixed to the sheet by impregnating the filaments with a resin or a glue, then by applying the filaments thus impregnated to the sheet to form an assembly,
- wherein the assembly is impregnated with the phenolic resin during the impregnating step,
- wherein, during the polymerizing step, the glue or the resin fixing the filaments to the sheet is solidified.
7 more elements
Dependencies are inferred from the claim text.