| 摘要 |
A composite flange element formed on a casing comprising a portion of a component and an adjoining flange portion, the composite having a ply layup comprising: one or more first plies extending over both the portion of the component and the flange portion; one or more second plies extending over the flange portion; and one or more third plies extending over the portion of the component; wherein the first, second and third plies are selected to provide desirable properties for the portions over which they extend. The flange element so formed consists of one or more load spreading features associated with the flange portion and one or more stress reduction features in the region where the portion of the component meets the flange portion. Preferably the plies are arranged or interleaved such that they run up the case and flange without distortion.
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