Abstract
Investigation of the evolution of the parameters of crystallographic texture, microstructure, and mechanical properties of single-phase copper-based alloys with 10 and 30 wt % concentrations of Zn subjected to flat rolling in the coarse-grained state and preformed ultrafine-grained state are performed. A decrease in the stacking fault energy and an increase in the degree of reduction during flat rolling increases the values of the orientation distribution functions corresponding to twin orientations, decreases the grain size and coherent scattering regions, and increases the dislocation density and the twinning probability. These changes have a positive effect on the strength properties of the studied alloys.
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Funding
This work was supported by the Russian Foundation for Basic Research, project no. 19-33-90109; and by the RF Ministry of Science and Higher Education, project no. 0838-2020-0006 “Fundamental Study of New Principles for Creating Promising Electromechanical Energy Converters with Characteristics above the World Level, Increased Efficiency, and Minimum Specific Indicators, Using Highly Efficient Electrotechnical Materials.”
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Translated by E. Boltukhina
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Zaynullina, L.I., Alexandrov, I.V. Evolution of Crystallographic Texture, Microstructure, and Mechanical Properties during Flat Rolling of Alloys of the Cu–Zn System with Different Grain Sizes. Bull. Russ. Acad. Sci. Phys. 86, 1301–1308 (2022). https://doi.org/10.3103/S1062873822110351
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DOI: https://doi.org/10.3103/S1062873822110351