Spacecraft materials play a crucial role in safeguarding satellites from space’s harsh conditions. However, exposure to solar radiation and aggressive chemical species in the upper atmosphere alters these materials’ physical, chemical, and optical properties over time. Understanding material evolution during a mission enhances spacecraft reliability. By establishing correlations between on-orbit material performance and laboratory-based tests, accurate predictions can be made through accelerated space weather experiments. This study evaluates the effects of radiation on various modern spacecraft materials, specifically high-energy electrons, atomic oxygen, and vacuum ultraviolet radiation, in a ground-based simulated LEO environment. The focus is on assessing the impact on the Bidirectional Reflectance Distribution Function properties.
Bidirectional Reflectance Distribution Function (BRDF) Measurement of Materials Aged Under Simulated Space Environment
J Astronaut Sci
2024-01-29
Article (Journal)
Electronic Resource
English
BRDF , Low Earth Orbit (LEO) , Electron irradiation , Vacuum ultraviolet , Atomic oxygen , PI , PET , LCP Engineering , Aerospace Technology and Astronautics , Mathematical Applications in the Physical Sciences , Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)
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