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Effect of 1.33 MeV γ radiation and 0.5 MeV electrons on the mechanical properties of graphite fiber composites
Author(s) -
Fornes R. E.,
Memory J. D.,
Narag N.
Publication year - 1981
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1981.070260627
Subject(s) - graphite , materials science , composite material , electron , fiber , radiation , irradiation , nuclear physics , physics
Epoxy/graphite fiber, polyimide/graphite fiber, and polysulfone/graphite fiber composites were exposed to 1.33 MeV γ irradiation and 0.5 MeV electron bombardment for varying periods of time. The effects of the irradiation treatments on the breaking stress and Young's modulus were studied by a three point bending test. Effects were small; indeed, both electron radiation up to 5000 Mrad and γ radiation up to 350 Mrad resulted in slight increases in both stress and modulus.