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Kinetic dislocation model of microstructure evolution during severe plastic deformation
Enikeev, N.A.,Kim, H.S.,Alexandrov, I.V. Elsevier Sequoia 2007 Materials science & engineering. properties, micro Vol.460 No.-
Evolution of dislocation cell microstructures during severe plastic deformation was analyzed using a modified kinetic dislocation model based on the two dimensional approach by ETMB [Y. Estrin, L.S. Toth, A. Molinari, Y. Brechet, Acta Mater. 46 (1998) 5509]. The proposed model simulated decreasing dislocation density after a maximum point and increasing misorientation angle with strain, which fits with experimental results well.
Kim, J.G.,Enikeev, N.A.,Abramova, M.M.,Park, B.H.,Valiev, R.Z.,Kim, H.S. Elsevier 2017 Materials science & engineering. properties, micro Vol.682 No.-
<P><B>Abstract</B></P> <P>The initial grain size of TWIP steel can affect the deformation mechanism during the HPT processes and the mechanical properties of severely deformed TWIP steels, contrary to the common belief that responses to the severe plastic deformation of metallic materials are not affected by initial grain size.</P>