Experimental and physicomathematical simulation of the effect of an incident flow of atomic oxygen on highly filled polymer composites

Synthesis of PI/POSS nanocomposite films based on track nuclear membranes and assessment of their resistance to oxygen plasma flow

“…Thus, the penetration (destruction) depth of atomic oxygen is insignificant in comparison with the film thickness (25 μm). It is known that the flow of atomic oxygen only affects the surface properties without affecting the deep layers of the polymer [43]. According to flight experiments, the decrease in the surface layer in polymers is only a few μm per year [44].…”

Effect of electron irradiation on polyimide composites based on track membranes for space systems

“…However, with a prolonged stay in space, the functional characteristics of PI materials are significantly reduced. The impact of the space environment, which can damage polymeric materials including PI materials, includes electron and proton radiation, vacuum ultraviolet radiation, temperature effects, and atomic oxygen in low Earth orbit (Pavlenko et al, 2013(Pavlenko et al, , 2019Gao et al, 2017;Cherkashina and Pavlenko, 2018a;Zhang, 2021a). Irradiation of PI with protons and electrons can lead to ionization and displacement effects, inducing structural damage and property degradation in polymeric materials (Li et al, 2007;Yue et al, 2016).…”

Gamma radiation attenuation characteristics of polyimide composite with WO2

“…In addition, polymer radiation-shielding composites are also used in the space industry. Benefitting from the use of a polymer binder, composites significantly reduce the mass of space technology, which makes it possible to improve the overall and mass parameters of the spacecraft Cherkashina and Pavlenko, 2018;Pavlenko et al, 2013).…”