Universal method for contact fatigue determination
Stepankin I. Naizabekov A. Pozdnyakov E. Kuis D. Lezhnev S. Panin Y.
June 2025Elsevier B.V.
MethodsX
2025#14
In the process of contact wear, pitting is formed, which destroys the surface of the part. Existing methods for assessing contact fatigue (GOST 25.501–78, R 50–54–30–87) reveal a stress level at which pitting does not occur. At the same time, there is no information about surface hardening, which is one of the main ways to increase contact fatigue. In this case, traditional approaches to the study of the wear mechanism do not make it possible to predict the operational evolution of the loaded surface of the part. The authors have developed a universal method for determining the contact fatigue of materials, providing opportunities for resource-efficient design of parts operating under the action of pulsating contact stresses. • Design and operating principle of the patented testing device. • Universal methodology for determining the contact fatigue of materials. • Our novel test method demonstrated a convergence of finite element modeling and real test in terms of crack formation in maximum stress zones.
Alloy , Contact fatigue , Steel , Stress , Wear
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Pavel Sukhoi State Technical University of Gomel, Oktyabrya av. 48, Gomel, 246746, Belarus
Rudny Industrial University, 50 let Oktyabrya str. 38, Rudny, 115000, Kazakhstan
Belarusian State Technological University, Sverdlova str. 13a, Minsk, 220006, Belarus
Karaganda Industrial University, 30 Republic Ave., Temirtau, 101400, Kazakhstan
Pavel Sukhoi State Technical University of Gomel
Rudny Industrial University
Belarusian State Technological University
Karaganda Industrial University
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