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LDEF thermal control coatings post-flight analysisThe optical, physical, and chemical properties of selected spacecraft thermal control coatings, exposed for 10 months and 5.8 years on the leading edge (Row 9) of the LDEF, are reported. The following coatings were used: quartz/silver optical solar reflector; silvered FEP Teflon; S-13GLO, YB-71, and A-276 white paints; black paint; and sputter deposited coatings over graphite-epoxy composite substrates. The solar absorptance, total normal emittance, scanning electron and X-ray photoelectron microscopy, and X-ray diffraction analyses will be compared for the control, the 10 month exposed, and the 5.8 year exposed specimens. Data suggests that the high atomic flux over the last 6 months of the LDEF mission may have influenced the results from from this coatings experiment.
Document ID
19920018033
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Slemp, Wayne S.
(NASA Langley Research Center Hampton, VA, United States)
Young, Philip R.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
June 1, 1992
Publication Information
Publication: Second LDEF Post-Retrieval Symposium Abstracts
Subject Category
Nonmetallic Materials
Accession Number
92N27276
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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