2_2023_sen_7

Title of the article CORROSION-MECHANICAL FATIGUE: THE PROBLEMS OF FORECASTING. PART 2. REVERSE EFFECT. INFLUENCE OF STRESSES ON THE CORROSION RATE
Authors

SOSNOVSKIY Leonid A., D. Sc. in Eng., Prof., S&P GROUP TRIBOFATIGUE LTD, Gomel, Republic of Belarus

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, Presidium of the 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 2023
Issue 2(63)
Pages 61–68
Type of article RAR
Index UDK 620.178
DOI https://doi.org/10.46864/1995-0470-2023-2-63-61-68
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. In the future, it is planned to discuss the mechanisms of corrosion-mechanical fatigue with direct and reverse effects at different stages of complex damage.
Keywords tribo-fatigue system, stress corrosion rate, fatigue limit, corrosion-mechanical fatigue, direct effect, reverse effect, cyclic stresses
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