An Experimental Study of an Ion Thruster with Electrodes of an Ion-Extraction System Made of a Fine-Structure Carbon–Carbon Composite

R. V. Akhmetzhanov; Ахметжанов Р. В.; A. V. Bogatyi; Богатый А. В.; E. A. Bogachev; Богачев Е. А.; S. V. Gordeev; Гордеев С. В.; A. B. Elakov; Елаков А. Б.; D. A. Kashirin; Каширин Д. А.; Yu. S. Perminova; Перминова Ю. С.; G. A. Popov; Попов Г. А.; M. V. Cherkasova; Черкасова М. В.

doi:10.31857/S0023420623700103

An Experimental Study of an Ion Thruster with Electrodes of an Ion-Extraction System Made of a Fine-Structure Carbon–Carbon Composite

Authors: Akhmetzhanov R.V.¹, Bogatyi A.V.¹, Bogachev E.A.², Gordeev S.V.¹, Elakov A.B.², Kashirin D.A.¹, Perminova Y.S.², Popov G.A.¹, Cherkasova M.V.¹
Affiliations:
1. Research Institute of Applied Mechanics and Electrodynamics, Moscow Aviation Institute, 125080, Moscow, Russia
2. AO Kompozit, 141092, Korolev, Moscow oblast, Russia
Issue: Vol 61, No 5 (2023)
Pages: 439-444
Section: Articles
URL: https://rjmseer.com/0023-4206/article/view/672624
DOI: https://doi.org/10.31857/S0023420623700103
EDN: https://elibrary.ru/HEPQOF
ID: 672624

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Abstract

This article presents the results of 1000-h tests of a radiofrequency ion thruster (RFIT) with electrodes of an ion-extraction system made of carbon–carbon composite material based on the non-woven carbon frame. The quality of the surface of the thruster IES accelerating electrode being the key element of the RFIT from the lifetime point of view was assessed by visual examination and scanning electron microscopy. The maximum depth of erosion cavity on the accelerating electrode surface was determined. Electrode-surface elemental analysis was performed by the method of electron-probe microanalysis.

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