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SCIE SCOPUS
The Analysis of Microstructure Change during Multi - Pass Rolling of a Steel with Niobium
( P . Korczak , H . Dyja , J . W . Pilarczyk )
UCI I410-ECN-0102-2008-580-001200307
This article is 4 pages or less.

The present paper describes experimental and numerical 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 mi­crostructure through thickness of rolled plates. The experimental results were compared with computer simu­lation results, which showed that retained strains accumulated during the previous passes have a big in­fluence on stability of distribution of mechanical properties.

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