The Boeing Company

Mohssen Mohaghegh

Eric J Schulze

Mohammad Barakatain

A rib structure for use in an aircraft is provided. The rib structure includes a web portion, a plurality of hat stiffener portions coupled to the web portion, and at least one chord portion coupled to the web portion. The plurality of hat stiffener portions extend substantially parallel, and the at least one chord portion extends substantially perpendicularly relative to the plurality of hat stiffener portions. Moreover, the web portion, the plurality of hat stiffener portions, and the at least one chord portion are fabricated from composite material, and include features such that the rib structure has a buckling ratio of at least about 4.

Rib structure and method of forming thereof

Methods, systems and apparatuses are disclosed for joining assemblies, particularly joints and joining assemblies for co-joining composite components and metal components in a joining assembly, and inhibiting corrosion of metal components secured to composite component via a joining assembly.

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Mukilteo, WA, United States of America

Mohssen Mohaghegh