S. A. Starikov, A. R. Kuznetsov, V. V. Sagaradze
THEORETICAL MODELS FOR THE DESCRIPTION OF DEFORMATION-INDUCED SEGREGATION IN SUBSTITUTIONAL ALLOYS
An overview of theoretical models describing the deformation-induced segregation (DIS), most of which see non-equilibrium diffusion fluxes of point defects to grain boundaries as the main factor of segregation, is presented. The possibility of an adequate description of DIS in binary and three-component alloys is shown. The results of the works on the atomistic modeling of DIS processes, including the first-principle methods, are presented.
Acknowledgements: The work has been performed within the state assignment from FASO Russia (theme Structure, No. АААА-А18-118020190116-6).
Keywords: severe plastic deformation, grain boundary, deformation-induced segregation, austenitic alloy, atomistic modeling