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Formation of the Maximum Strength of Dispersion-Hardened Crystalline Aluminum-Based Alloys Containing Incoherent Particles

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Mathematical modeling of the plastic deformation of dispersion-hardened crystalline aluminum-based alloys with incoherent particles is done with allowance for the evolution of defect structure. It is found that strength properties are considerably higher in materials with nanosized particles than in materials with larger particles at the same volume fraction of the strengthening phase. The emergence of dipole dislocation configurations in the defect system creates conditions for a considerable increase in flow stress.

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Funding

This work was supported by the RF Ministry of Science and Higher Education as part of State Task no. FEMN-2020-0004.

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Authors and Affiliations

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

    T. A. Kovalevskaya & O. I. Daneyko

Authors
  1. T. A. Kovalevskaya
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  2. O. I. Daneyko
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Correspondence to O. I. Daneyko.

Additional information

Translated by M. Samokhina

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Kovalevskaya, T.A., Daneyko, O.I. Formation of the Maximum Strength of Dispersion-Hardened Crystalline Aluminum-Based Alloys Containing Incoherent Particles. Bull. Russ. Acad. Sci. Phys. 85, 776–781 (2021). https://doi.org/10.3103/S1062873821070133

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  • DOI: https://doi.org/10.3103/S1062873821070133

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