Low earth orbit space environment simulation and its effects on graphite/epoxy composites

In this study, a low Earth orbit (LEO) space environment simulation facility, capable of simulating major LEO space environment constituents such as high vacuum, ultraviolet (UV) radiation, thermal cycling and atomic oxygen (AO) atmosphere, is introduced. Under the simulated LEO space environment, graphite/epoxy composites, which are widely applied to space structures, were tested to study the LEO space environment effects on the composites. Tensile properties, as well as mass loss of the graphite/epoxy composites, after being exposed to AO atmosphere and the synergistic LEO space environment, were investigated. The surface morphology of the composites under LEO space environment effects was also observed by scanning electron microscope (SEM). Experimental results showed that LEO environment and its synergistic effects cause considerable damage to the surface of composites.
Publisher
ELSEVIER SCI LTD
Issue Date
2006-02
Language
ENG
Citation

COMPOSITE STRUCTURES, v.72, no.2, pp.218 - 226

ISSN
0263-8223
DOI
10.1016/j.compstruct.2004.11.007
URI
http://hdl.handle.net/10203/14463
Appears in Collection
AE-Journal Papers(저널논문)
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