Materials Reports  2022, Vol. 36 Issue (Z1): 20070234-4 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Study on Radiation Damage Mechanism of Extravehicular Materials in the End of Service Lifetime |
| LIU Botian, YU Xiangtian, ZHANG Jingjing, YAO Ziyang, GAO Hong, XING Yan
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| China Academy of Space Technology, Beijing 100094, China |
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Abstract In this work, environmental effect of typical non-metallic materials used in space was simulated by radiation resistance tests with various irra-diation dose conditions. Changes on key properties of typical non-metallic materials such as adhesive, pressure-sensitive tapes, plastic films and fiber fabric under different irradiation dose were studied. The estimation of in-orbit radiation life time of extravehicular materials could be achieved by trend extrapolation. Degradation failure mechanism of space radiation effect of materials was brought up and testified by FTIR spectrum analysis and simultaneous thermal analysis.
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Published: 05 June 2022
Online: 2022-06-08
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| Fund:Basic Research Project of Technology of Administration of Science, Technology and Industry for National Defence (JSZL2016203C005). |
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