Manufacturing and performance issues associated with the assembly of an advanced composite commercial transport aircraft fuselage were examined as part of the NASA-sponsored Advanced Technology Aircraft Structures (ATCAS) program. Three mechanically fastened splices associated with the assembly of a fuselage crown panel were examined using filled hole tension, pure bearing, and bearing-bypass interaction specimens. Results demonstrated that relationships between failure strain and stress concentration at the hole perimeter for two-placed and braided laminates are consistent with those exhibited by conventional tape and fabric laminates. Tow-placed graphite-glass/epoxy intraply hybrid laminates demonstrated bearing and bypass strengths similar to those of graphite/epoxy except when hybrid tows were strictly aligned through the laminate thickness. Bearing-bypass interaction results demonstrated good correlation with predictions produced using the Boeing-developed BEARBY computer code.
Mechanical assembly of commercial transport fuselage utilizing tow-placed and textile composites
Mechanischer Zusammenbau eines kommerziellen Transportflugzeug-Rumpfes mit Verbundwerkstoffen auf Basis von Textilien und Tauen
1994
15 Seiten, 19 Bilder, 7 Tabellen, 11 Quellen
Aufsatz (Konferenz)
Englisch
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