Mechanisms of severe plastic deformation of polycrystalline aluminum on a mesoscale upon cyclic loading

T. F. Elsukova, V. E. Panin, Yu F. Popkova

Research output: Contribution to journalArticle

Abstract

The mechanisms of alternating severe plastic deformation (SPD) of polycrystalline foils of high-purity aluminum glued on hard bulk samples are studied on a mesoscale. It is shown that the SPD mechanisms and its self-organization on a mesoscale are controlled by the field of maximal shear stresses and rotational strain modes caused by the couple-forces. The effect of the degree of nonequilibrity of the material under SPD on the deformation mechanism is analyzed in terms of the nonequilibrium thermodynamics of local structure-phase transformations in zones of hydrostatic tension.

Original languageEnglish
Pages (from-to)956-960
Number of pages5
JournalRussian Metallurgy (Metally)
Volume2011
Issue number10
DOIs
Publication statusPublished - 1 Oct 2011

ASJC Scopus subject areas

  • Metals and Alloys

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