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Overview of the MISSE 7 Polymers and Zenith Polymers Experiments After 1.5 Years of Space ExposureAs part of the Materials International Space Station Experiment 7 (MISSE 7), two experiments called the Polymers Experiment and the Zenith Polymers Experiment were flown on the exterior of the International Space Station (ISS) and exposed to the low Earth orbit (LEO) space environment for 1.5 years. The Polymers Experiment contained 47 samples, which were flown in a ram or wake flight orientation. The objectives of the Polymers Experiment were to determine the LEO atomic oxygen erosion yield (Ey, volume loss per incident oxygen atoms, given in cu cm/atom) of the polymers, and to determine if atomic oxygen erosion of high and low ash containing polymers is dependent on fluence. The Zenith Polymers Experiment was flown in a zenith flight orientation. The primary objective of the Zenith Polymers Experiment was to determine the effect of solar exposure on the erosion of fluoropolymers. Kapton H (DuPont, Wilmington, DE) was flown in each experiment for atomic oxygen fluence determination. This paper provides an introduction to both the MISSE 7 Polymers Experiment and the MISSE 7 Zenith Polymers Experiment, and provides initial erosion yield results.
Document ID
20130011784
Document Type
Technical Memorandum (TM)
Authors
Yi, Grace T. (Hathaway Brown School Shaker Heights, OH, United States)
de Groh, Kim K. (NASA Glenn Research Center Cleveland, OH, United States)
Banks, Bruce A. (Alphaport, Inc. Cleveland, OH, United States)
Haloua, Athena (Hathaway Brown School Shaker Heights, OH, United States)
Imka, Emily C. (Hathaway Brown School Shaker Heights, OH, United States)
Mitchell, Gianna G. (Hathaway Brown School Shaker Heights, OH, United States)
Date Acquired
August 27, 2013
Publication Date
March 1, 2013
Subject Category
Spacecraft Design, Testing and Performance
Report/Patent Number
NASA/TM-2013-217848
E-18633
GRC-E-DAA-TN33134
Meeting Information
International Symposium on Materials in the Space Environment (ISMSE-12)(Noordwijk)
Funding Number(s)
WBS: WBS 799362.01.04.04.01
CONTRACT_GRANT: SAA3-358-6
CONTRACT_GRANT: NNC12BA01B
WBS: WBS 769347.05.08.25.40.01.02
Distribution Limits
Public
Copyright
Public Use Permitted.

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