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Evolution of the microstructure in the hot rolling process
Author(s) -
Pietrzyk Maciej,
Kedzierski Zbigniew,
Kusiak Halina,
Madej Wieslaw,
Lenard John G.
Publication year - 1993
Publication title -
steel research
Language(s) - English
Resource type - Journals
eISSN - 1869-344X
pISSN - 0177-4832
DOI - 10.1002/srin.199301570
Subject(s) - recrystallization (geology) , microstructure , metallurgy , materials science , die (integrated circuit) , austenite , mechanical engineering , physics , engineering , geology , paleontology , nanotechnology
A thermomechanical finite‐element model of flat rolling is coupled with closed form equations describing the process of recrystallization and is applied to study hot rolling of low carbon steel strips. Formulae for the recrystallized grain diameters, developed by various authors, are considered. Calculated diameters of the grains are compared with the results of the measurements carried out after experimental hot rolling of the carbon steel samples. Evaluating the accuracy of the calculations, using each of the expressions for the diameter of the recrystallized austenite grains, indicates that the relation of Roberts is closest to the measurements.