Simulation of the Evolution of Phase Composition and Austenite Grain Size upon Multi-Pass Hot Deformationof Low-Alloy Steels

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Abstract

The paper presents a model for predicting the structural characteristics and phase composition of low-alloy steels upon hot rolling in the multi-pass deformation mode. The model considers recovery, dynamic, primary, dynamic and static recrystallization of grains, and the normal grain growth, as well as nucleation (including accelerated nucleation during deformation), growth or dissolution, and coarsening of carbonitride particles. The comparison between the calculated results and the experimental data available in the publications shows a satisfactory agreement.

About the authors

I. I. Gorbachev

Miheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences

Author for correspondence.
Email: gorbachev@imp.uran.ru
Russian Federation, Ekaterinburg, 620108

E. I. Korzunova

Miheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences

Email: gorbachev@imp.uran.ru
Russian Federation, Ekaterinburg, 620108

V. V. Popov

Miheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences

Email: gorbachev@imp.uran.ru
Russian Federation, Ekaterinburg, 620108

D. M. Khabibulin

Ausferr Research and Technology Center

Email: gorbachev@imp.uran.ru
Russian Federation, Magnitogorsk, 455000

N. V. Urtsev

Ausferr Research and Technology Center

Email: gorbachev@imp.uran.ru
Russian Federation, Magnitogorsk, 455000

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