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Year 2024, Volume: 32, 532 - 536, 30.12.2024

Sergey Lezhnev Andrey Tolkushkin Pavel Tsyba Abdrakhman Naizabekov Irina Volokitina Alexandr Arbuz

https://doi.org/10.55549/epstem.1605559

Abstract

Investigation of the Effect of Combined Thermomechanical Processing on the Microstructure Evolution of CuZn23Mn7Fe4 Brass

Year 2024, Volume: 32, 532 - 536, 30.12.2024

Sergey Lezhnev Andrey Tolkushkin Pavel Tsyba Abdrakhman Naizabekov Irina Volokitina Alexandr Arbuz

https://doi.org/10.55549/epstem.1605559

Abstract

The article investigates the effect of combined thermomechanical processing, including pre-heat treatment and radial-shear rolling on the microstructure evolution of CuZn23Mn7Fe4 brass. The conducted studies have shown that the most optimal pre-heat treatment for CuZn23Mn7Fe4 brass before deformation on a radial-shear rolling mill is annealing at a temperature of 500°C. As a result of subsequent deformation of workpieces with an initial diameter of 30 mm, subjected to pre-annealing at a temperature of 500°C, a gradient ultrafine structure was formed in this brass alloy on a radial-shear rolling mill up to a diameter of 18 and 12 mm. Thus, in the surface layer of the deformed rod, a structure with an average grain size of 7 μm was obtained when rolling it to a diameter of 18 mm, and 3 μm when rolling it to a diameter of 12 mm. In the central layer of the bars, a structure with a grain size of 31 μm and 17 μm was obtained when rolling the bar to a diameter of 18 mm and 12 mm, respectively.

Keywords

Pre-heat treatment Annealing Quenching Radial-shear rolling Brass Microstructure

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Details

Primary Language English
Subjects Chemical Engineering (Other)
Journal Section Articles
Authors

Sergey Lezhnev

Andrey Tolkushkin

Pavel Tsyba

Abdrakhman Naizabekov

Irina Volokitina

Alexandr Arbuz

Early Pub Date December 22, 2024
Publication Date December 30, 2024
Submission Date June 4, 2024
Acceptance Date August 9, 2024
Published in Issue Year 2024 Volume: 32

Cite

APA Lezhnev, S., Tolkushkin, A., Tsyba, P., … Naizabekov, A. (2024). Investigation of the Effect of Combined Thermomechanical Processing on the Microstructure Evolution of CuZn23Mn7Fe4 Brass. The Eurasia Proceedings of Science Technology Engineering and Mathematics, 32, 532-536. https://doi.org/10.55549/epstem.1605559
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