Aircraft structural components

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 1/14 (2006.01) B64C 3/26 (2006.01)

Patent

CA 2454431

A structural component such as wing skin (1) for an aircraft is formed generally of a first composite fibre and matrix material exhibiting a first tensile modulus in respect of tensile stress and a first tolerance of strain resulting from such stress. One or more openings (5, 6, 7) are provided in the component and the material of a portion of the component bounding the opening(s) is a second composite fibre and matrix material. The second material exhibits a second tensile modulus in respect of tensile stress that is smaller than the first tensile modulus of the first material and a second tolerance of strain resulting from such stress that is greater than the first tolerance of strain of the first material.

L'invention concerne un composant structurel tel qu'un revêtement de voilure (1) d'aéronef formé généralement d'un premier matériau composite fibres-matrices présentant un premier module d'élasticité en traction par rapport à une contrainte de traction et une première tolérance à la contrainte provoquée par un tel effort. Une ou plusieurs ouvertures (5, 6, 7) sont pratiquées dans ledit composant. Un second matériau fibres-matrices constitue une partie du composant qui relie la ou les ouvertures. Le second matériau présente un second module d'élasticité en traction par rapport à une contrainte de traction qui est inférieur au premier module d'élasticité en traction du premier matériau, et une seconde tolérance à la contrainte provoquée par un tel effort qui est supérieure à la première tolérance à la contrainte du premier matériau .

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