Study on the Mechanical Property of Polyimide Film in Space Radiation Environments
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE(2016)
摘要
Polyimide films are widely used in spacecraft, but their mechanical properties would degrade in space environments, such as electron, proton, near ultraviolet or far ultraviolet, etc. The mechanical property and mechanism of polyimide film in electron, proton, near ultraviolet and far ultraviolet was studied by Phi 800 combined space radiation test facility of Beijing Institute of Space Environment Engineering (BISSE. Rupture elongation of Kapton film decrease with the increase of the tensile deformation rate. The tensile strength and the rupture elongation of Kapton film decrease with the increase of electron and proton radiation, while tensile strength and the rupture elongation of Kapton film decrease firstly and th en increase with near ultraviolet and far ultraviolet.
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关键词
space environment,mechanical property,film,spacecraft
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