Degradation of polymeric materials for covering spacecraft solar arrays under exposure to atomic oxygen flows

1Shuvalov, VA, 2Tikhii, VG, 3Priymak, AI, 4Gusarova, IA, 1Pismennyi, NI, 1Tokmak, NA, 3Reznichenko, NP, 5Nosikov, SV, 3Kochubey, GS
1Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Dnipro, Ukraine
2Yangel Yuzhnoye State Design Office, Dnipropetrovsk, Ukraine
3Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Dnipropetrovsk, Ukraine
4Yangel Yuzhnoye State Design Office, Dnipro, Ukraine
5Institute of Technical Mechanics of the NAS of Ukraine and SSA of Ukraine, Dnipropetrovsk, Ukraine
Kosm. nauka tehnol. 2005, 11 ;(5-6):078-086
Publication Language: Russian
We developed a procedure and hard ware for physical and chemical modelling and conducting shortcut operational-life proof of degradation in weight, geometric and thermo-optical characteristics of polymers for spacecraft under prolonged exposure to supersonic fluxes of atomic oxygen in the Earth's ionosphere. Dependences of variation in the characteristics of polyimide films and carbon plastic materials on the integral fluence of atomic oxygen are derived.
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