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Analysis of Conditions for the Nucleation of Grain Boundary Nanopores in Submicrocrystalline Materials under Intensive Plastic Deformation

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Abstract

A model describing the nucleation of grain boundary nanopores in submicrocrystalline materials under intensive plastic deformation is proposed. The effect of internal stress fields from planar mesodefects, external hydrostatic pressure, and the degree of oversaturation with nonequilibrium strain-induced vacancies in a material on the pore nucleation rate is analyzed.

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Funding

This study was supported by the Russian Foundation for Basic Research within project no. 20-08-00867.

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Correspondence to A. S. Pupynin.

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The authors declare that they have no conflict of interest.

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Translated by E. Glushachenkova

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Perevezentsev, V.N., Pupynin, A.S. Analysis of Conditions for the Nucleation of Grain Boundary Nanopores in Submicrocrystalline Materials under Intensive Plastic Deformation. Tech. Phys. Lett. 46, 964–967 (2020). https://doi.org/10.1134/S1063785020100120

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  • DOI: https://doi.org/10.1134/S1063785020100120

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