A. D. Breki, D. V. Zimin, S. G. Chulkin, A. A. Moskalets, I. A. Shulgin, E. B. Sedakova, Yu. V. Galyshev, S. N. Kutepov, O. V. Kuzovleva, “Regularities of sliding friction of grey cast iron bodies in lubricating media depending on the sliding speed”, Chebyshevskii Sb., 23:5 (2022), 198

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Chebyshevskii Sbornik, 2022, Volume 23, Issue 5, Pages 198–205
DOI: https://doi.org/10.22405/2226-8383-2022-23-5-198-205 (Mi cheb1266)

HISTORY OF MATH AND APPLICATIONS

Regularities of sliding friction of grey cast iron bodies in lubricating media depending on the sliding speed

A. D. Breki^a, D. V. Zimin^a, S. G. Chulkin^bc, A. A. Moskalets^a, I. A. Shulgin^a, E. B. Sedakova^ab, Yu. V. Galyshev^a, S. N. Kutepov^d, O. V. Kuzovleva^e

^a Peter the Great St. Petersburg Polytechnic University (St. Petersburg)
^b Institute of Problems of Mechanical Engineering of the Russian Academy of Sciences (St. Petersburg)
^c St. Petersburg State Marine Technical University (St. Petersburg)
^d Tula State Lev Tolstoy Pedagogical University (Tula)
^e Russian State University of Justice (Moscow)

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DOI: https://doi.org/10.22405/2226-8383-2022-23-5-198-205

Abstract: The article presents a new empirical mathematical model for describing the change in the friction coefficient depending on the sliding speed, including such characteristics as the initial intensity of the change in the friction coefficient, the increment in the intensity of the change in the friction coefficient when switching to a new mode, the sharpness of the change in the friction coefficient when switching to a new mode, the value sliding speed corresponding to the minimum “acceleration” of the change in the friction coefficient during the transition to a new friction mode. The validity of the developed mathematical model is shown for the friction of guides made of gray cast iron SCh21-40 in the medium of lubricating oils "Industrialnoe 12 "Industrialnoe 45 "Avtol 18".

Keywords: mathematical model, friction, lubricating oil, gray cast iron, Guersey-Striebeck curve.

Funding agency	Grant number
Russian Science Foundation	22-19-00178
The work was supported by a grant from the Russian Science Foundation for the priority area of activity of the Russian Science Foundation “Conducting fundamental scientific research and exploratory scientific research byindividual scientific groups” to the scientific project: Application of digital modeling and big data to improve theefficiency of mechanical processing of titanium steam turbine blades and their operation under conditions of dropimpacterosion №22-19-00178.

Received: 01.10.2022
Accepted: 22.12.2022

Document Type: Article

UDC: УДК539.621

Language: Russian

Citation: A. D. Breki, D. V. Zimin, S. G. Chulkin, A. A. Moskalets, I. A. Shulgin, E. B. Sedakova, Yu. V. Galyshev, S. N. Kutepov, O. V. Kuzovleva, “Regularities of sliding friction of grey cast iron bodies in lubricating media depending on the sliding speed”, Chebyshevskii Sb., 23:5 (2022), 198–205

Citation in format AMSBIB

\Bibitem{BreZimChu22}

\by A.~D.~Breki, D.~V.~Zimin, S.~G.~Chulkin, A.~A.~Moskalets, I.~A.~Shulgin, E.~B.~Sedakova, Yu.~V.~Galyshev, S.~N.~Kutepov, O.~V.~Kuzovleva

\paper Regularities of sliding friction of grey cast iron bodies in lubricating media depending on the sliding speed

\jour Chebyshevskii Sb.

\yr 2022

\vol 23

\issue 5

\pages 198--205

\mathnet{http://mi.mathnet.ru/cheb1266}

\crossref{https://doi.org/10.22405/2226-8383-2022-23-5-198-205}

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