Study of Modification of the Inner Surface of the Hollow Poly-Sulphone Fiber Channels When Irradiated by a Beam of Electrons of Energy 10 keV

L. V. Myshelovka; Мышеловка Л. В.; K. A. Vokhmyanina; Вохмянина К. А.; A. D. Pyatigor; Пятигор А. Д.; V. S. Sotnikova; Сотникова В. С.; A. A. Kubankina; Кубанкина А. А.; V. Yu. Novikov; Новиков В. Ю.; Yu. V. Grigoriev; Григорьев Ю. В.

doi:10.31857/S1028096023030111

Study of Modification of the Inner Surface of the Hollow Poly-Sulphone Fiber Channels When Irradiated by a Beam of Electrons of Energy 10 keV

Authors: Myshelovka L.V.¹, Vokhmyanina K.A.¹, Pyatigor A.D.¹, Sotnikova V.S.¹^,2, Kubankina A.A.¹, Novikov V.Y.¹, Grigoriev Y.V.³
Affiliations:
1. Belgorod State National Research University
2. Belgorod State Technological University named after V.G. Shukhov
3. IInstitute of Crystallography named after A. Shubnikov of Federal Research Center “Crystallography and Photonics” RAS
Issue: No 3 (2023)
Pages: 5-10
Section: Articles
URL: https://rjmseer.com/1028-0960/article/view/664588
DOI: https://doi.org/10.31857/S1028096023030111
EDN: https://elibrary.ru/LECRBR
ID: 664588

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Abstract

This paper presents the results of a spectral microanalysis of the modified surface of a polysulfone fiber after irradiation with an electron beam with an energy of 10 keV. This work is a continuation of the study on the passage of 10 keV electrons through an array formed of hollow polysulfone fibers depending on the angle of rotation of the array along the vertical axis. The analysis data showed a significant modification of the inner surface of the channel after its irradiation with electrons. We have observed that prolonged irradiation with charged particle beams of polysulfone tubes forms a dark coating on the surface layer of the channel, which can have a significant impact on the throughput and control capabilities of the channels in the field of charged particle control. Comparison of the elemental composition of the surface before and after the irradiation with a 10 keV electron beam revealed an increase in the carbon concentration in the irradiated fiber by 50 wt % and an increase in the oxygen content by 40 wt %. The amount of sulfur in irradiated fibers does not change (about 10 wt %).

Keywords

surface modification, polysulfone fiber, dielectric channel, spectral microanalysis, electron beam, characteristic radiation, electron microscopy, energy dispersive analysis, carbon-containing layer, substance concentration.

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