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Absorption Of Crushing Energy In Square Composite TubesReport describes investigation of crash-energy-absorbing capabilities of square-cross-section tubes of two matrix/fiber composite materials. Both graphite/epoxy and Kevlar/epoxy tubes crushed in progressive and stable manner. Ratio between width of cross section and thickness of wall determined to affect energy-absorption significantly. As ratio decreases, energy-absorption capability increases non-linearly. Useful in building energy-absorbing composite structures.
Document ID
19920000546
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Farley, Gary L. (Army Aerostructures Directorate)
Date Acquired
August 15, 2013
Publication Date
September 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 9
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LAR-14343
Accession Number
92B10546
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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