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LDEF-space environmental effects on materials: Composites and silicone coatingsThe objective of the Lockheed experiment is to evaluate the effects of long term low Earth orbit environments on thermal control coatings and organic matrix/fiber reinforced composites. Two diverse categories are reported: silicone coatings and composites. For composites physical and structural properties were analyzed; results are reported on mass/dimensional loss, microcracking, short beam shear, CTE, and flexural properties. The changes in thermal control properties, mass, and surface chemistry and morphology are reported and analyzed for the silicon coatings.
Document ID
Document Type
Conference Paper
Petrie, Brian C.
(Lockheed Missiles and Space Co. Sunnyvale, CA, United States)
Date Acquired
September 6, 2013
Publication Date
June 1, 1991
Publication Information
Publication: NASA, Langley Research Center, First LDEF Post-Retrieval Symposium Abstracts
Subject Category
Composite Materials
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.

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