Multiscale Simulation of the Stress-Strain State of Low Carbon Steel Strip Processed by Asymmetric Rolling

Abstract:

Asymmetric rolling with different work roll circumferential speeds is a process that can be used for improvement of mechanical properties of the processed metals and alloys. Development of the model, which allow to calculate the stress-strain state occurring in the microstructure of the ferritic-pearlitic steels during asymmetric rolling, was the main objective of this paper. Macro level models do not take into account the complicated behavior of the ferritic-pearlitic microstructure in the micro scale. Therefore, development of modelling methods, which allow predicting the properties distribution in the metal volume with the behavioral features of the microstructure under the influence of the deformation, was needed. Representative Volume Element (RVE), representing ferritic-pearlitic steel microstructure, was developed. Simulations of the asymmetric rolling process were performed and local deformation of each structural component was predicted. Selected results, as well as discussion of the effect of microstructure on obtained stress and strain distributions, are presented in the paper. Results of multiscale simulation analysis of the deformation characteristics, presented in this study, can be used for optimization of the asymmetric rolling process.

• Periodical: Solid State Phenomena (Volume 304)
• Pages: 107-112
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.304.107
• Online since: May 2020
• Authors: Dmitriy Konstantinov*, Alexander Pesin, D.O. Pustovoytov
• Keywords: Asymmetric Rolling, Finite Element Method, Low Carbon Steel, Multiscale Simulation, Representative Volume Element, Stress-Strain State

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