CONSTRUCTION MATERIAL FOR TRIBO-FATIGUE SYSTEMS: FATIGUE RESISTANCE AND STRUCTURE

SOSNOVSKIY Leonid A., D. Sc. in Eng., Director, S&P GROUP TRIBOFATIGUE Ltd, Gomel, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

NOVIKOV Alexander A., Deputy General Director for Technical Issues and Quality - Chief Engineer, OJSC “Gomselmash”, Gomel, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

SHERBAKOV Sergey S., D. Sc. in Phys. and Math., Professor of the Department of Theoretical and Applied Mechanics, Belarusian State University, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

COMMISSAROV Victor V., Ph. D. in Eng., Assoc. Prof., Belorussian State University of Transport, Gomel, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

TYURIN Sergey A., Ph. D. in Eng., Leading Specialist, OJSC “Gomselmash”, Gomel, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

DROBYSHEVSKIY Pavel S., Head of the Laboratory, OJSC “Gomselmash”, Gomel, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

A brief overview of the practical use of the new construction material of MONICA is given. An experimental study was performed for the first time on the analysis of the influence of the microstructural state on fatigue resistance. It is established that the fatigue limit of this material, based on 10⁸ cycles, is not lower than 243 MPa. The role of the stress concentration in the vicinity of nonmetallic (graphite) inclusions on the formation of the fatigue resistance of MONICA is discussed. The ways of possible increase of the fatigue limit of this material up to ∼300 MPa and more are indicated.

tribo-fatigue system, structural material, cast iron, MONICA, gear wheels, “wheel — rail” system, “knife — counter beam”, microstructure, graphite inclusions, fatigue resistance, strength, ductility, heavy traffic

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