Mössbauer spectroscopy of grain boundaries in ultrafine-grained materials produced by severe plastic deformation


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Resumo

The applicability of Mössbauer spectroscopy in studying grain boundaries in ultrafine-grained materials produced by severe plastic deformation (SPD) is analyzed. It is shown that grain boundaries after SPD are in a nonequilibrium state that is characterized by excess free volume.

Sobre autores

V. Popov

Mikheev Institute of Metal Physics, Ural Branch

Autor responsável pela correspondência
Email: vpopov@imp.uran.ru
Rússia, Yekaterinburg, 620990

A. Stolbovsky

Mikheev Institute of Metal Physics, Ural Branch

Email: vpopov@imp.uran.ru
Rússia, Yekaterinburg, 620990

A. Sergeev

Mikheev Institute of Metal Physics, Ural Branch

Email: vpopov@imp.uran.ru
Rússia, Yekaterinburg, 620990

V. Semionkin

Ural Federal University

Email: vpopov@imp.uran.ru
Rússia, Yekaterinburg, 620002

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