NDLI: Materials and processes laboratory composite materials characterization task, part 1. damage tolerance

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Materials and processes laboratory composite materials characterization task, part 1. damage tolerance

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hart, L. Russel, S. S. Nettles, A. T. Patterson, W. J. Hodge, A. J. Franklin, S. W. Gordon, G. H. Lance, D. G. Tucker, D. S.
Copyright Year	1991
Description	A test run was performed on IM6/3501-6 carbon-epoxy in which the material was processed, machined into specimens, and tested for damage tolerance capabilities. Nondestructive test data played a major role in this element of composite characterization. A time chart was produced showing the time the composite material spent within each Branch or Division in order to identify those areas which produce a long turnaround time. Instrumented drop weight testing was performed on the specimens with nondestructive evaluation being performed before and after the impacts. Destructive testing in the form of cross-sectional photomicrography and compression-after-impact testing were used. Results show that the processing and machining steps needed to be performed more rapidly if data on composite material is to be collected within a reasonable timeframe. The results of the damage tolerance testing showed that IM6/3501-6 is a brittle material that is very susceptible to impact damage.
File Size	2567121
Page Count	36
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910022871
Archival Resource Key	ark:/13960/t77t2m85c
Language	English
Publisher Date	1991-09-01
Access Restriction	Open
Subject Keyword	Composite Materials Characterization Nondestructive Tests Damage Assessment Epoxy Matrix Composites Tolerances Mechanics Drop Tests Data Acquisition Machining Photomicrography Impact Damage Brittle Materials Destructive Tests Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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