NASA NTRS · 19920023279
A Protection And Detection Surface (PADS) for damage tolerance
Abstract
A 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.
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Shuart, M. J., Prasad, C. B., Biggers, S. B.. 1990-09-01. A Protection And Detection Surface (PADS) for damage tolerance. https://ntrs.nasa.gov/citations/19920023279
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