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Evaluation of energy absorption of new concepts of aircraft composite subfloor intersectionsForty-one composite aircraft subfloor intersection specimens were tested to determine the effects of geometry and material on the energy absorbing behavior, failure characteristics, and post-crush structural integrity of the specimens. The intersections were constructed of twelve ply + or - 45 sub 6 laminates of either Kevlar 49/934 or AS-4/934 graphite-epoxy in heights of 4, 8, and 12 inches. The geometry of the specimens varied in the designs of the intersection attachment angle. Four different geometries were tested.
Document ID
19900017507
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Jones, Lisa E. (PRC Kentron, Inc., Hampton VA., United States)
Carden, Huey D. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
November 1, 1989
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NAS 1.60:2951
L-16628
NASA-TP-2951
Accession Number
90N26823
Funding Number(s)
PROJECT: RTOP 505-63-01-11
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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