Development of Advanced Technologies for the Production of Innovative Materials with a Submicrocrystalline Structure by Methods of Severe Plastic Deformation

Abstract:

A promising direction for the development of steel and alloy processing processes is the intensification of plastic deformation by creating zones of localization of shear strains not only in the longitudinal but also in the transverse directions of the deformed metal flow. Intensification of alternating deformations along the entire cross-section and, especially, in the axial zone of the billet by creating new deformation schemes is an effective way to increase the physical, mechanical and functional properties of the metal with the maximum approximation of the finished product size to the original billet size. The paper shows that a promising idea is the development of new technological schemes that implement severe alternating deformation in existing metal forming processes. A continuous rolling method of wide strips is proposed, which provides severe alternating deformation with minor changes in the size of the billet. Based on this method, a scheme of continuous rolling of the strip with the intensification of plastic deformation of the metal is designed. The results of computer simulation showed that the new rolling method increases the strain uniformity in height and the value of the strain degree in the plane of symmetry of the billet.

• Periodical: Defect and Diffusion Forum (Volume 410)
• Pages: 191-196
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.410.191
• Online since: August 2021
• Authors: Danis Sh. Nukhov*, Andrey O. Tolkushkin
• Keywords: Computer Simulation, Longitudinal Rolling, Roll with a Wavelike Barrel Shape, Severe Plastic Deformation, Uniformity of the Strain Degree Distribution, Upsetting

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