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Sagitova F.R. Features of ion treatment of fibrous and woven forms of amorphous silicon dioxide under low-pressure RF discharge conditions. Journal of Clothing Science. 2025; 10(2). Available at: https://kostumologiya.ru/PDF/31TLKL225.pdf (in Russian).

Features of ion treatment of fibrous and woven forms of amorphous silicon dioxide under low-pressure RF discharge conditions

Sagitova Farida Ravilevna
Kazan National Research Technological University, Kazan, Russia
E-mail: farida_sagitova@mail.ru
ORCID: https://orcid.org/0009-0008-9746-4341
RSCI: https://elibrary.ru/author_profile.asp?id=53190

Abstract. The paper presents the results of a study of the effect of a low-energy ion flow formed under conditions of inductive and capacitive high-frequency low-pressure discharges on fibers and fabrics made of amorphous silicon dioxide. It has been established that ion modification affects the microrelief, specific surface area, and structure of fibers while maintaining their bulk properties. Optimum processing modes have been determined and it has been shown that inductive plasma is effective for fibers, and capacitive plasma is effective for fabrics. Improvement of the conditions of interphase interaction with the polymer matrix has been noted, which opens up prospects for using components processed by a low-energy ion flow in composite materials. It has been shown that modification by means of exposure to a low-energy ion flow allows not only to specifically correct the surface properties of amorphous silicon dioxide in the form of fibers, but also affects the final characteristics of the composite material as a whole. An increase in the interaction area and a change in the microrelief contribute to a more efficient stress distribution in the mating zone, reducing the risk of delamination and improving the durability of composite materials. These features allow considering the treatment with a flow of low-energy ions generated from the plasma of a high-frequency discharge of low pressure as a promising tool for fine-tuning interphase parameters in the design of modern composite systems. The results obtained confirm the prospects of using the treatment with a flow of low-energy ions of reinforcing fillers in the composition of composite materials that require high adhesive strength and stability of interphase interaction.

Keywords: amorphous silicon dioxide; low-energy ion flux; radio-frequency discharge; surface modification; composite materials; interfacial interaction; fibrous reinforcement; plasma treatment

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