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Estimation of the Contributions of Various Mechanisms to the Deformation Resistance of Cu–12 at % Al Single Crystals

  • PHYSICAL FOUNDATIONS OF STRENGTH AND PLASTICITY
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Russian Metallurgy (Metally) Aims and scope

Abstract

The structural evolution of Cu–12 at % Al alloy single crystal during plastic compressive deformation is studied. Data on a flow curve, the stages of deformation, and the relation between the stages and the type of substructure are presented. The substructure parameters are quantitatively measured. The results are presented as a diagram of the fraction of substructure versus the dislocation density. The strain dependences of the distances between nonreacting intersections of dislocations, interdislocation reactions, obstacles, and dislocations are revealed. Special attention is paid to a quantitative estimation of the contributions of local stoppers and long-range elastic stress fields to the resistance to shear-forming dislocations and the contributions of slip and twinning to deformation.

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Funding

This work was carried out within the framework of a state task of the Ministry of Science and Higher Education of the Russian Federation, project no. FEMN-2020-0004.

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Authors and Affiliations

  1. Tomsk State University of Architecture and Building, 634003, Tomsk, Russia

    Yu. V. Solov’eva, A. N. Solov’ev, M. V. Gettinger, O. D. Pantyukhova & V. A. Starenchenko

  2. OAO Manotom’, 634061, Tomsk, Russia

    A. N. Solov’ev

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  1. Yu. V. Solov’eva
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  2. A. N. Solov’ev
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  3. M. V. Gettinger
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  4. O. D. Pantyukhova
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  5. V. A. Starenchenko
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Correspondence to Yu. V. Solov’eva.

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Translated by K. Shakhlevich

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Solov’eva, Y.V., Solov’ev, A.N., Gettinger, M.V. et al. Estimation of the Contributions of Various Mechanisms to the Deformation Resistance of Cu–12 at % Al Single Crystals. Russ. Metall. 2022, 1103–1108 (2022). https://doi.org/10.1134/S0036029522100263

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  • DOI: https://doi.org/10.1134/S0036029522100263

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