Fabricating Composite Hat Stiffened Assemblies Using Flexcauls

Paper #:
  • 975584

Published:
  • 1997-10-01
Citation:
Burrous, D., "Fabricating Composite Hat Stiffened Assemblies Using Flexcauls," SAE Technical Paper 975584, 1997, https://doi.org/10.4271/975584.
Author(s):
Pages:
7
Abstract:
Hat stiffened composite assemblies provide aircraft with a high strength to weight ratio structure. They are however, time consuming and difficult to produce. A new tooling method has been developed that looks promising for fabricating this type of assembly. This new method incorporates a flexible caul (flexcaul) and inflatable mandrels and can be incorporated with the existing bond mold. This method improves the shape and location of the hats while reducing the fabrication time
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