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A Protection And Detection Surface (PADS) for damage toleranceA protection and detection surface (PADS) concept was studied for application to composite primary aircraft structures. A Kevlar-epoxy woven face sheet with a Rohacell foam core was found to be the most effective PADS configuration among the configurations evaluated. The weight of the PADS configuration was estimated to be approximately 17 percent of the structural weight. The PADS configuration was bonded to graphite-epoxy base laminates, and up to a 70 percent improvement in compression-after-impact failure strains was observed.
Document ID
19920023279
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Shuart, M. J. (NASA Langley Research Center Hampton, VA, United States)
Prasad, C. B. (Analytical Services and Materials, Inc., Hampton VA., United States)
Biggers, S. B. (Lockheed Aeronautical Systems Co. Burbank, CA., United States)
Date Acquired
September 6, 2013
Publication Date
September 1, 1990
Publication Information
Publication: Eighth DOD(NASA)FAA Conference on Fibrous Composites in Structural Design, Part 1
Subject Category
Composite Materials
Accession Number
92N32523
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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