Computer Science – Performance
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.540..589i&link_type=abstract
In: Proceedings of the 9th International Symposium on Materials in a Space Environment, 16-20 June 2003, Noordwijk, The Netherla
Computer Science
Performance
Space Environment, Materials, Iss
Scientific paper
It is very important to investigate space environment effects on spacecraft materials to improve their lifetime and performance. At low-Earth-orbit altitudes, atomic oxygen is produced by the dissociation of oxygen molecules by solar ultraviolet rays, and can significantly affect spacecraft surfaces. To investigate the degradation mechanism of exposed materials and to accumulate experimental data, NASDA have conducted a space environment exposure experiment using the Russian Service Module on the ISS (the Micro-Particles Capturer and Space Environment Exposure Device: SM/MPAC&SEED). The first SM/MPAC&SEED was retrieved in August 2002 after about 10 months' exposure to the space environment. Atomic oxygen, ultraviolet-rays, and radiation have induced characteristic changes to its exposed materials. Their degradation is compared to that of specimens evaluated by ground simulation test facilities.
Imagawa Kichiro
Imai Fumikazu
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