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Pre-Flight Characterization of Samples for the MISSE-7 Spacesuit Fabric Exposure ExperimentA series of six sample spacesuit pressure garment assembly (PGA) fabric samples were prepared for the Materials International Space Station Experiment 7 (MISSE-7) flight experiment to test the effects of damage by lunar dust on the susceptibility of the fabrics to radiation damage. These included pristine Apollo-era fluorinated ethylene-propylene (FEP) fabric, Apollo-era FEP fabric that had been abraded with JSC-1A lunar simulant, and a piece of Alan Bean s Apollo 12 PGA sectioned from near the left knee. Also included was a sample of pristine orthofabric, and orthofabric that had been abraded to two different levels with JSC-1A. The samples were characterized using optical microscopy, field emission scanning electron microscopy, and atomic force microscopy. Two sets of six samples were then loaded in space environment exposure hardware, one of which was stored as control samples. The other set was affixed to the MISSE-7 experiment package, and will be mounted on the International Space Station, and exposed to the wake-side low Earth orbit environment. It will be retrieved after an exposure of approximately 12 months, and returned for post flight analysis.
Document ID
20090041618
Document Type
Technical Memorandum (TM)
Authors
Gaier, James R. (NASA Glenn Research Center Cleveland, OH, United States)
McCue, Terry R. (ASRC Aerospace Corp. Cleveland, OH, United States)
Clark, Gregory W. (Manchester Coll. North Manchester, IN, United States)
Rogers, Kerry J. (Manchester Coll. North Manchester, IN, United States)
Mengesu, Tsega (Manchester Coll. North Manchester, IN, United States)
Date Acquired
August 24, 2013
Publication Date
October 1, 2009
Subject Category
Lunar and Planetary Science and Exploration
Report/Patent Number
E-17073
NASA/TM-2009-215810
Funding Number(s)
WBS: WBS 936374.04.08.03
Distribution Limits
Public
Copyright
Public Use Permitted.

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