Structural Response of a Stitched Composite Hybrid Wing Body Center Section
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Second welding pulse at about 20 percent higher energy repairs bad single-pulse welds. Method used successfully to weld polytetrafluoroethyleneinsulated nickel wire to stainless-steel terminals in back-plane wiring.
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Modification for method of remote electrical-continuity monitoring to detect internal delaminations, cracks, and other flaws in composite materials proposed.
The unidirectional carbon pultruded rod running through the tops of the stringers is a key design feature of the Pultruded Rod Efficient Unitized Structure (PRSEUS) concept as applied to aircraft fuselage structure. Reported herein are the test methods and results from a test campaign in which the strength of the rod/overwrap interface of various PRSEUS stringer configurations were characterized. The different stringer configurations included different materials and stacking sequences for the stringer overwrap and whether or not an additional layer of adhesive was included between the rod and the overwrap.
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An anode includes: (1) a current collector; and (2) an interfacial layer disposed over the current collector. The interfacial layer includes a film of a layered material and a reinforcing material selectively disposed over certain regions of the film, while other regions of the film remain exposed from the reinforcing material.