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Metal plasticity during structure formation by twist extrusion
|Yan Y. Beygelzimer , Boris M. Efros 2, Dmitry V. Orlov 1|
1. Donetsk State Technical University, Artioma str. 58, Donetsk 340000, Ukraine
Severe plastic deformations at last time attract intent attention of researchers that work in field of physical materials science. It's a powerful tool for transformation of materials structures. Basic structure forming regularities during the plastic deformation are determined by the parameters of initial structural material state, temperature-velocity deformation conditions, and mechanics of deformation process. The last is specified by scheme of external kinematics and force action on deformed volume (by the deformation scheme, tool geometry, conditions of contact friction etc.) and determine the series of basic process parameters: value of accumulated deformations intensity and deformations velocities in any spots, orientation of macroshear spatial evolution, configuration of deformed volume changes, homogeneity of stress and strain distribution etc. Each of these parameters influence in the corresponding way on formation of structure and properties of work materials.
Presentation: poster at E-MRS Fall Meeting 2003, Symposium G, by Boris M. Efros
See On-line Journal of E-MRS Fall Meeting 2003
Submitted: 2003-05-08 14:30 Revised: 2009-06-08 12:55