Development of functional polymer coatings for friction components in automotive assemblies
https://doi.org/10.29235/1561-8358-2025-70-2-95-104
Abstract
Physico-chemical, structural and engineering prerequisites of modeling and optimization of tribological coatings based on polyamides in friction units of automobile and special units are considered. The analysis of the stress-strain state of the elements of the cardan transmission, carried out in CAE-systems Pro/ENGINEER Mechanica and LS-DYNA, allowed establishing the optimal thickness of tribological coating with minimum stresses. Composite materials based on commercially available polyamide PA-6 and adhesive sublayer for formation of tribological coatings on parts of the cardan shaft of trucks and special equipment are developed. It is proposed to introduce a polyamide resin based on aminoamides of resin acids of rosin, which has high compatibility with the polyamide matrix, provides plasticizing effect and uniform distribution of dispersed particles of modifier over the composite volume. When polyamide resin is used as an adhesive sublayer on the surfaces of the cardan transmission elements, increased interaction at the boundary “coating – sublayer” is provided. The developed composite coatings and adhesive sublayers, optimized by design solutions, have been tested in the cardan shafts produced by Belkard OJSC as a full-fledged alternative to imported analogues.
Keywords
computer modeling,
finite element method,
functional coating,
composite material,
polyamide,
cardan shaft
Supporting agencies: the work was supported by the Ministry of Education of the Republic of Belarus within the framework of the State Scientific Research Program “Materials science, new materials and technologies” for 2024–2025, task 8.4.1.51 “Concept of multilevel modification in materials science and technology of nanocomposites based on thermoplastic mixtures”.
About the Authors
A. S. Antonov
Yanka Kupala State University of Grodno
Belarus
Belarus
Alexander S. Antonov – Cand. Sci. (Engineering), Associate Professor, Associate Professor of Materials Science and Resource-Saving Technology Department
22, Ozheshko St., 230023, Grodno
N. R. Prokopchuk
Belarusian State Technological University
Belarus
Belarus
Nikolay R. Prokopchuk – Сorresponding Member of the National Academy of Sciences of Belarus, Dr. Sci. (Chemistry), Professor, Professor of Polymer Composite Materials Department
13а, Sverdlov St., 220006, Minsk
P. V. Klochko
Yanka Kupala State University of Grodno
Belarus
Belarus
Pavel V. Klochko – Master of Sciences (Pedagogy), Head of the Cycle of Tactical Disciplines of the Military Faculty
22, Ozheshko St., 230023, Grodno
D. V. Nakhvat
Yanka Kupala State University of Grodno
Belarus
Belarus
Denis V. Nakhvat – Master of Sciences (Pedagogy), Head of the Military Logistics Department of the Military Faculty, Postgraduate Student of Materials Science and Resource-Saving Technology Department
22, Ozheshko St., 230023, Grodno
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