Lessons Learned from Atomic Oxygen Interaction with Spacecraft Materials in Low Earth Orbit

Details Lessons Learned from Atomic Oxygen Interaction with Spacecraft Materials in Low Earth Orbit Lessons Learned from Atomic Oxygen Interaction with Spacecraft Materials in Low Earth Orbit

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1087..312b&link_type=abstract

PROTECTION OF MATERIALS AND STRUCTURES FROM SPACE ENVIRONMENT: Proceedings of the 9th International Conference: Protection of Ma

Astronomy and Astrophysics

Astrophysics

Fundamental Aspects Of Astrophysics, Solitons And Solitary Waves, Astronomical And Space-Research Instrumentation

Scientific paper

There have been five Materials International Space Station Experiment (MISSE) passive experiment carriers (PECs) (MISSE 1-5) to date which have been launched, exposed in space on the exterior of International Space Station (ISS) and then returned to Earth for analysis. An additional four MISSE PECs (MISSE 6A, 6B, 7A & 7B) are in various stages of completion. The PECs are two-sided suitcase size sample carriers that are intended to provide information on the effects of the low Earth orbital environment on a wide variety of materials and components. As a result of post retrieval analyses of the retrieved MISSE 2 experiments and numerous prior space experiments, there have been valuable lessons learned and needs identified that are worthy of being documented so that planning, design, and analysis of future space environment experiments can benefit from the experience in order to maximize the knowledge gained. Some of the lessons learned involve the techniques, concepts, and issues associated with measuring atomic oxygen erosion yields. These are presented along with several issues to be considered when designing experiments, such as the uncertainty in mission duration, scattering and contamination effects on results, and the accuracy of measuring atomic oxygen erosion.

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