2_2025_sen_7

Title of the article CORROSION-MECHANICAL FATIGUE: THE PROBLEMS OF FORECASTING. PART 4. ASSESSMENT OF CORROSION-MECHANICAL FATIGUE CURVE PARAMETERS AS WELL AS DURABILITY OF MATERIALS
Authors

BOGDANOVICH Alexander V., D. Sc. in Eng., Prof., 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.

SHERBAKOV Sergey S., D. Sc. in Phys. and Math., Prof., Academic Secretary of the Department of Physical and Technical Sciences, National Academy of Sciences of Belarus, 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.
In the section TRIBO-FATIGUE SYSTEMS MECHANICS
Year 2025
Issue 2(71)
Pages 55–61
Type of article RAR
Index UDK 620.178.3
DOI https://doi.org/10.46864/1995-0470-2025-2-71-55-61
Abstract Corrosion is one of the main electrochemical processes that damage metal materials. The combination of cyclic stresses and a corrosive environment causes wear-fatigue damage, called corrosion-mechanical fatigue. The paper investigates the problem of predicting this type of wear-fatigue damage, which occurs in almost all branches of technology, especially in the chemical, oil, metallurgical industries, transport. The work consists of several parts. In the first part a technique for estimating the fatigue limit in a given corrosive environment (direct effect) is developed. The second part analyzes the reverse effect, i.e. the effect of acting stresses on the corrosion rate of metals and alloys, and proposes a method for predicting corrosion-erosion damage with the reverse effect based on the energy criterion. The third part discusses the mechanisms of corrosion-mechanical fatigue with direct and reverse effects. The fourth part considers the methodology of accelerated computational and experimental evaluation of the parameters of the power equation of the corrosion-mechanical fatigue and durability curve based on established correlation relationships. A diagram of the relative position of the curves of mechanical and corrosion-mechanical fatigue of the environment is given with a description of characteristic sections and points. The current tasks of further research are formulated.
Keywords corrosion-mechanical fatigue, fatigue resistance, accelerated assessment, fatigue curve parameters, cyclic stresses, durability
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