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Teflon, Kapton Surface and Bulk EffectsTwo samples of 2 mil aluminized/Kapton thermal blanket and two samples of Teflon were received for evaluation. Their location on the solar maximum is given. The Kapton top layer of the thermal blanket had been exposed to the LEO atomic oxygen environment and shows the surface degradation due to atomic oxygen attack resulting in a diffuse character over most of the surface. The backside Kapton layer which was unexposed appeared to the eye to be in virgin condition. Another sample exhibited similar properties, but was, in large part, covered with Kapton adhesive tape and it was not possible to obtain usable specimens for analysis. One of the Teflon samples which was exposed shows signs of heavy degradation including attack on the Ag/Inconel backside by ultraviolet and atomic oxygen. The other Teflon sample which was unexposed was only slightly fogged on the Teflon side and the Ag/Inconel appeared untouched. These samples were subjected to several chemical and physical analyses, the results of which are discussed.
Document ID
19870004957
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
J. C. Robinson
(Lockheed Martin (United States) Bethesda, Maryland, United States)
M. Mccargo
(Lockheed Martin (United States) Bethesda, Maryland, United States)
Date Acquired
August 13, 2013
Publication Date
May 9, 1985
Publication Information
Publication: Proceedings of the SMRM Degradation Study Workshop
Publisher: National Aeronautics and Space Administration
Volume: NASA-TM-89274
Issue Publication Date: May 9, 1985
Subject Category
Spacecraft Design, Testing And Performance
Meeting Information
Meeting: SMRM Degradation Study Workshop
Location: Greenbelt, MD
Country: US
Start Date: May 9, 1985
End Date: May 10, 1985
Sponsors: National Aeronautics and Space Administration
Accession Number
87N14390
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.
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