Curved wall comprising an alternation of metal and composite layers, and method to produce it

An aircraft nose comprising a curved wall comprising, in this order:

• a first composite layer,
• a first metal layer, and
• a second composite layer;
• wherein the first and the second composite layers comprise carbon fibers;
• wherein the first metal layer comprises metal strips of titanium-based material;
• wherein the metal strips have a thickness between 1 and 500 μm and a width between 2 and 200 mm;
• and
• wherein the metal strips of the first metal layer cover at least 80% of a surface of the first metal layer.

A method for producing a curved wall comprising the successive steps of:

• forming a first composite layer,
• forming a first metal layer, and
• forming a second composite layer;
• wherein the first and second composite layers comprise carbon fibers;
• wherein the step of forming the first metal layers is realized with an automated tool and comprises applying metal strips of titanium-based material on the first composite layer, in such a way that a mechanical tension is created between a part of the metal strips already placed on the first composite layer and the part of the metal strips to be placed on the first composite layer,
• wherein the metal strips have a thickness between 1 and 500 μm and a width between 2 and 200 mm;
• and
• wherein the metal strips of the first metal layer cover at least 80% of a surface of the first metal layer, and the metal strips of the second metal layer are parallel and cover at least 80% of the surface of the second metal layer.