Abstract
The present paper describes experimental and qumerical analyses for prediction of microstructure changes during hot plate rolling, which was conducted in Metal Forming Department Czestochowa, Technical University. Models describing kinetics of recrystallization of deformed austenite and precipitation of niobium carbon-nitrides were evaluated in semi-industrial conditions. The main objective of simulation using finite element methods was to determine temperature and strain distributions in the roll gap and parameters of mi crostructure through thickness of rolled plates. The experimental results were compared with computer simulation results, which showed thai: retained strains accumulated during the previous passes have a big influence on stability of distribution of mechanical properties.
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