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The model of prediction of the microstructure austenite C-Mn steel

Koczurkiewicz B.

Archives of Materials Science and Engineering

2007

Vol. 28, nr 7

421-424

Purpose: The subject of the work is analysis of author's model for prediction of austenite microstructure of C-Mn steel based on Sellar's solution. Design/methodology/approach: The present study adopts the Sellar's solution for C-Mn steel to the prediction of phenomena occurring in the steel and the grain size of austenite Findings: The developed model for the evolution of the austenite microstructure enables the correct determination of the grain size of austenite formed by multi-stage hot deformation. Research limitations/implications: The model is limitated only for selected steel group. Practical implications: The results obtained on the basis of this model will be utilized in the study for the determination of the distribution and state of microstructure in sections with complicated shapes after the rolling process. Originality/value: The modelling of microstructure is very importante problem. There are a lot of general models in literature, which can be used for predicting evolution of microstructure after rolling proces of steel, but the results obtained from them are different. There is a need for adapting the general model for a selected steel group to the prediction of phenomena occurring in the steel and the grain size of austenite formed by means of multi-stage deformation.