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Constructing a thermomechanical wear model of a steel–polymer friction pair with the account for the material destruction
https://doi.org/10.17586/0021-3454-2025-68-11-968-976
Abstract
A mathematical model of wear of a steel–polymer friction pair without lubrication is proposed. The model is based on the equations of thermal balance and wear kinetics, which take into account energy dissipation during friction and heat exchange with the environment. Unlike traditional approaches, the proposed model includes critical points corresponding to temperature transitions in the polymer, which makes it possible to predict their position based on experimental dependences with high accuracy. Special attention is paid to the destruction of polymer properties under the influence of temperature and mechanical loads, which significantly affects the tribological characteristics of the friction pair. The model is implemented in MATLAB CAD using the finite element method for the numerical solution of the equations of thermal conductivity and wear. The simulation results, compared with experimental data, demonstrate the adequacy of the model and the possibility of its application to optimize the parameters of tribological systems steel–polymer.
Keywords
MATLAB,
friction,
wear,
alloy steel,
polymer,
contact temperature,
coefficient of friction,
coefficient of wear
Supporting agencies: The work was performed within the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation (topic No. 124041500009-8).
About the Authors
V. E. Zharov
Russian State Scientific Center for Robotics and Technical Cybernetics (RTC)
Russian Federation
Russian Federation
Vitaly E. Zharov — Applicant; Design Engineer of the 1st Category
St. Petersburg
E. B. Sedakova
Institute for Problems in Mechanical Engineering of the RAS
Russian Federation
Russian Federation
Elena B. Sedakova — Dr. Sci., Associate Professor; Friction and Wear Laboratory; Head of the Laboratory; Leading Researcher
St. Petersburg
D. E. Ishimov
Peter the Great St. Petersburg Polytechnic University
Russian Federation
Russian Federation
Daniil E. Ishimov — Post-Graduate Student; International Scientific and Educational Center (ISEC) „BaltTribo-Polytechnic“, Institute of Mechanical Engineering and Transport
St. Petersburg
A. N. Naumov
Peter the Great St. Petersburg Polytechnic University
Russian Federation
Russian Federation
Alexey N. Naumov — Post-Graduate Student; International Scientific and Educational Center (ISEC) „BaltTribo-Polytechnic“, Institute of Mechanical Engineering and Transport
St. Petersburg
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Review
For citations:
Zharov V.E., Sedakova E.B., Ishimov D.E., Naumov A.N. Constructing a thermomechanical wear model of a steel–polymer friction pair with the account for the material destruction. Journal of Instrument Engineering. 2025;68(11):968-976. (In Russ.) https://doi.org/10.17586/0021-3454-2025-68-11-968-976
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