Composite material part with large variation in thickness

摘要

A composite material part and method for manufacturing the part. The part has a large variation in thickness between a first zone having a thickness E1 and a second zone having a thickness E2, which is made as a single part with a transition zone, external surfaces of which have gradients of magnitude, in which the structure of the stack includes; b1) a plurality of continuous plies that extend in the three zones; b2) a plurality of plies that extend in the first zone and in the transition zone, terminating in a stepped manner in the transition zone; b3) a plurality of plies that extend in the first zone and in the transition zone, terminating in a stepped manner in the transition zone.

主权项

1. A composite material part comprising:
first zone with a thickness E1 and a second zone with a thickness E2, wherein: the composite material is made as a single part with a transition zone between the first and second zones, external surfaces of which have gradients of magnitude P1, P2; a stack structure of the part comprises:
a first outer section including a first plurality of continuous outer plies that extend in the first zone, the second zone, and the transition zone, the first plurality of continuous outer plies being adjacent to each other along an entirety of their lengths,a second outer section including a second plurality of continuous outer plies that extend in the first zone, the second zone, and the transition zone, the second plurality of continuous outer plies being adjacent to each other along an entirety of their lengths,a first intermediate section including a plurality of plies that extend in the first zone and in the transition zone, terminating in a stepped manner in the transition zone so as to compensate for a difference in thickness between the first and second zones corresponding to the gradient P1, anda second intermediate section including a plurality of plies that extend in the first zone and in the transition zone, terminating in a stepped manner in the transition zone so as to compensate for a difference in thickness between the first and second zones corresponding to the gradient P2; and the first intermediate section is adjacent to the first outer section and the second intermediate section is adjacent to the second outer section.