NDLI: Effects of high energy radiation on the mechanical properties of epoxy-graphite fiber reinforced composites

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Effects of high energy radiation on the mechanical properties of epoxy-graphite fiber reinforced composites

Content Provider	NASA Technical Reports Server (NTRS)
Author	Memory, J. D. Fornes, R. E. Gilbert, R. D.
Copyright Year	1985
Description	In an effort to elucidate the changes in molecular structural and mechanical properties of epoxy/graphite fiber composites upon exposure to ionizing radiation in a simulated space environment, spectroscopic and surface properties of tetraglycidyl-4,4'-diamino diphenyl methane (TGDDM) red with diamino diphenyl sulfone (DDS) and T-300 graphite fiber were investigated following exposure to ionizing radiation. Cobalt-60 gamma radiation and 1/2 MeV electrons were used as radiation sources. The system was studied using electron spin resonance (ESR) spectroscopy, infrared absorption spectroscopy, contact angle measurements, and electron spectroscopy for chemical analysis.
File Size	8636319
Page Count	265
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860008006
Archival Resource Key	ark:/13960/t8kd6s84q
Language	English
Publisher Date	1985-12-01
Access Restriction	Open
Subject Keyword	Composite Materials Radiation Effects Infrared Spectroscopy Ionizing Radiation Molecular Structure Fiber Composites Spectroscopic Analysis Electron Spectroscopy Crosslinking Graphite-epoxy Composites Electron Paramagnetic Resonance Space Environment Simulation Decay Rates 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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