Composite anti-crash structure with controlled buckling for an aircraft

A structure (2) for an aircraft (1) comprises transverse walls (3-8) connected to longitudinal walls (9-12); each wall (3-12, 18, 18B) comprises two jackets (19) of composite material disposed on either side of an intermediate arrangement (20); a wall includes a corrugated core (70) presenting corru...

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1. Verfasser:	PAYEN HERVE
Format:	Patent
Sprache:	eng
Schlagworte:	AEROPLANES AIRCRAFT AVIATION COSMONAUTICS HELICOPTERS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A structure (2) for an aircraft (1) comprises transverse walls (3-8) connected to longitudinal walls (9-12); each wall (3-12, 18, 18B) comprises two jackets (19) of composite material disposed on either side of an intermediate arrangement (20); a wall includes a corrugated core (70) presenting corrugations extending along an axis (Z) substantially parallel to the jacket, such that the capacity of the wall to absorb energy in the event of an impact along said axis is increased; a wall includes a zone of weakness (45) encouraging controlled degradation of the wall in the event of such a shock.