Research on Innovative Materials for Automobile Repair

Authors

DOI:

https://doi.org/10.15802/stp2025/347581

Keywords:

innovative materials, friction pair, microstructure, roughness; wear resistance; restoration of friction surfaces, hardness, roughness, wear resistance, restoration of friction surfaces

Abstract

Purpose. The main purpose of the work is to study the influence of innovative materials for car repair on the structure and properties of friction surfaces of parts and the possible mechanism of interaction of materials in tribological pairs. Methodology. The following research methods were used in the work: theoretical research (classification, systematization), analysis and generalization of known scientific results, empirical methods (comparison, observation), experimental research (metallographic analysis, microhardness testing, wear resistance testing, surface roughness measurement). Findings. Innovative materials based on serpentinites are proposed. The development is based on the ideas of using new-generation materials and controlling the processes occurring in the contact zone of friction pairs to increase the wear resistance and durability of tribological combinations. Experimental studies of the mechanism of interaction of innovative materials with 40ХН steel under friction conditions have shown that the hardness and wear resistance of the surface layer increase by 3 and 4 times, respectively, and the roughness of the contact surfaces decreases by 6 times. The components of innovative materials diffuse into the surface layers of friction surfaces and form metal-ceramic layers, which are solutions of the components of the studied materials in the phase components of 40ХН steel. The proposed innovative materials not only reduce the wear of friction surfaces, but also restore the functional condition of worn surfaces without interrupting the operation of mechanisms. Originality. The use of innovative materials to prevent wear and restore the functional condition of friction surfaces of automotive parts has been substantiated. The mechanism of action of innovative materials has been established, which consists in the directed ion diffusion of components of a special tribological composition. The mechanical and operational properties of 40ХН steel have been studied, and it has been established that an increase in the hardness of contact surfaces in combination with low roughness leads to a unique anti-friction effect. Practical value. Studies of wear processes and the formation of wear-resistant layers under the influence of innovative materials allow us to formulate conditions for treating friction surfaces to reduce wear, strengthen surfaces, and restore the functional state of worn surfaces without stopping the operation of mechanisms. Technological methods for introducing innovative materials into friction units have been developed, allowing high-quality wear-resistant layers to be obtained on friction pair surfaces.

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Published

2025-12-26

How to Cite

Olishevska, V. E., Olishevskyi, H. S., & Ivanova, H. P. (2025). Research on Innovative Materials for Automobile Repair. Science and Transport Progress, (4(112), 96–107. https://doi.org/10.15802/stp2025/347581

Issue

No. 4(112) (2025)

Section

OPERATION AND REPAIR OF TRANSPORT MEANS

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