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Simulation of Wearing Processes with High Sliding Speed

Conference paper
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Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

A calculation model of the wearing process under conditions of high-speed friction has been offered. The model is based on the thermokinetic theory of fracture. The determination of model parameters is based on a probabilistic-physical approach. The model is presented in discrete form and adapted for use by computer simulation methods using the Spatio-temporal discretization of the calculation algorithm. The analysis of the results showed that the prevailing factor that affects the stress-strain state of the tribosystem and the wearing processes is the rate of decrease of the friction coefficient from static to dynamic. It is proposed to use the rate of change of the friction coefficient to assess the effectiveness of using methods to increase the wear resistance of tribosystems under conditions of high-speed friction. As a result of the presented studies, an experimental analysis of the effect of changes in the coefficient of friction on the sliding velocity on wearing processes under conditions of high sliding velocities has been carried out. Experimental data confirm that the coefficient of change of the coefficient of friction is sensitive to the technology of the formation of the surface layer.

Keywords

Surface of friction Markov chain Tribological damage Computer simulation Laboratory test 

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Copyright information

© The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Khmelnytskyi National UniversityKhmelnytskyiUkraine

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