Highlights Polyimide composites with nanolead have been synthesized. Polyimide composites were irradiated with electrons with an energy of 1–5 MeV. The effective range of electrons in polyimide composites was investigated. Composites with nanolead have high radiation-shielding properties.
Abstract The paper presents data on the resistance to electron irradiation of polyimide (PI) composite with nano-sized lead filler. PI composite with nano-filler were obtained on the basis of PI track membranes by electrochemical deposition of nano lead into the pores of track membranes. SEM-images, physical–mechanical and dielectric characteristics of PI composite with 70 wt% content of lead filler were examined. The composite was irradiated with 1–5 MeV electrons, and the maximum cumulative dose was 10 MGy. The effective range of an electron in a PI is greater than in a composite based on track membranes at the same initial electron energy: at E = 2 MeV - by 2.08 times, and at E = 5 MeV by 2.33 times.
Effect of electron irradiation on polyimide composites based on track membranes for space systems
Advances in Space Research ; 70 , 10 ; 3249-3256
2022-07-19
8 pages
Article (Journal)
Electronic Resource
English
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