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3_2023_sen_6

Title of the article STRUCTURAL MECHANISM OF PERFORMANCE LOSS OF COPPER COOLERS OF GLASS PRODUCTION WITH THERMAL DIFFUSION PROTECTIVE LAYER
Authors

KONSTANTINOV Valery M., D. Sc. in Eng., Prof., Head of the Department “Materials Science in Mechanical Engineering”, Belarusian National Technical 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.

PLETENEV Ilya V., Ph. D. Student of the Department “Materials Science in Mechanical Engineering”, Belarusian National Technical 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.

DASHKEVICH Vladimir G., Ph. D. in Eng., Assoc. Prof., Associate Professor of the Department “Materials Science in Mechanical Engineering”, Belarusian National Technical 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.

SUDNIKOV Mitrofan A., Ph. D. Student of the Department “Materials Science in Mechanical Engineering”, Belarusian National Technical 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.
In the section MECHANICAL ENGINEERING MATERIALS AND TECHNOLOGIES
Year 2023
Issue 3(64)
Pages 51–59
Type of article RAR
Index UDK 666.1.002.5
DOI https://doi.org/10.46864/1995-0470-2023-3-64-51-59
Abstract A general assessment of options for increasing the resistance of elements of heat-removing devices made of copper is carried out. The peculiarity of high-temperature corrosion destruction of thermal diffusion aluminum- containing protective layer on M1 grade copper as the most common cause of loss of efficiency is studied. The proposed mechanism for the destruction of the thermal diffusion protective layer on the lamellar element of a cooler of glass production is shown, which is caused by two competing processes — layer “resorption” and structural changes during phase interaction. The mechanical destruction features of the protective layer are studied during pure bending and the formation of penetrating cracks deep into the product. The elastoplastic properties of the main structural components of the diffusion layer are studied by the nanoindentation method, and the values of their plasticity index are established.
Keywords thermal diffusion layers, brittleness, intermetallic compounds, copper aluminides, heat resistance of copper
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