Research Progress of Space Irradiation Environment Effect on Shape Memory Polymers and Composites
Shape memory polymer and its composites boast advantages such as low density,large recoverable deformation,controllable stimulation mode,and low cost,etc.,and exhibit significant application potential in the space deployable structures.Nevertheless,the space irradiation environment poses severe threats to their safety in orbit.To begin with,the classification of shape memory polymers and their composites is introduced.Additionally,the current application status of space deployable structures based on shape memory polymers is summarized.Subsequently,the influences of high-energy electromagnetic radiation,high-energy particle radiation,atomic oxygen,and other space environments on the performance of shape memory polymers and their composites are analyzed.Finally,the research achievements regarding the space irradiation environmental effects of shape memory materials are summarized,and future development directions are proposed.
Shape memory polymerComposite materialSpace applicationsElectromagnetic radiationHigh energy radiation
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