The mass loss of spacecraft polyimide films under the action of atomic oxygen and vacuum ultraviolet radiation |
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| Authors: | V A Shuvalov N I Pis’mennyi G S Kochubei N A Tokmak |
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| Institution: | 1. Institute of Technical Mechanics, National Academy of Sciences of Ukraine and State Space Agency of Ukraine, Dniepropetrovsk, Ukraine
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| Abstract: | The threshold values of the annual fluence of atomic oxygen (F AO ≈ 1020 cm?2), as well as the ratios of the energy-flux density of vacuum ultraviolet radiation of the solar spectrum to the flux density of atomic oxygen (Φ ν /Φ AO ≈ 8 × 10?15 mJ) were determined, which are characterized the influence of the synergistic effect on the mass loss of Kapton-H, PM-A, and PM-1E polyimide films, which are spacecraft materials. |
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