NDLI: Results from optical coatings flown on misse-1 and misse-2 and other flight experiments

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Results from optical coatings flown on misse-1 and misse-2 and other flight experiments

Content Provider	NASA Technical Reports Server (NTRS)
Author	Matossian, Jesse Pippin, Gary Finckenor, Miria
Copyright Year	2006
Description	Selected optically transparent materials and coatings flown on a number of low Earth orbit (LEO) materials flight experiments will be reviewed and discussed. Effects of flight exposure for both magnesium fluoride and lithium fluoride specimens will be presented. Individual specimens of magnesium fluoride were flown on the EOIM I11 Space Shuttle experiment, the Long Duration Exposure Facility (LDEF), the Optical Properties Monitor and Passive Optical Sample Assembly experiments on Mir, and MISSE-1 and MISSE-2 International Space Station packages. Subsequent to the LDEF retrieval and EOIM I11 experiment in 1992, the question of atomic oxygen reaction with magnesium fluoride was raised. Atomic oxygen and solar exposures, molecular contamination levels, and varying exposure durations will each be considered in evaluating any observed changes in optical properties. A comparison of the thermodynamics of oxidation of magnesium fluoride and lithium fluoride will be summarized. Elemental composition as a function of depth, as determined using XPS, will be discussed for selected specimens, to gain insight into reactions that are thermodynamically allowed under the LEO conditions.
File Size	15234076
Page Count	18
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20060026041
Archival Resource Key	ark:/13960/t08w8cw1z
Language	English
Publisher Date	2006-01-01
Access Restriction	Open
Subject Keyword	Thermodynamics Low Earth Orbits Surface Reactions Optical Properties Space Shuttles Spaceborne Experiments Oxidation Magnesium Fluorides Coatings Contamination Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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