Modeling of phase transformation kinetics in advanced steels

Matthias Militzer

doi:10.1117/12.375447

25 January 2000 Modeling of phase transformation kinetics in advanced steels

Matthias Militzer

Proceedings Volume 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2000) https://doi.org/10.1117/12.375447
Event: Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 1999, St. Petersburg, Russian Federation

Abstract

In recent years, microstructure engineering has gamed significant attention, with the goal being to develop predictive tools which quantitatively link the operational parameters of an industrial process to the properties of the product it makes. Recent emphasis has been on developing microstructure models for hot strip rolling of advanced low and ultra low carbon steels [1 -3]. To improve mechanical properties of these steels, cooling paths have to be designed which optimize the ferrite microstructure resulting from the austenite decomposition. Accelerated cooling on the mn-out table of a hot strip mill has become an accepted tool to refme ferrite grain size by lowering the austenite-to-ferrite transfonnation temperature. Although phase transformations in steels have been investigated more extensively than those in any other material, there is still a considerable need to gain insight into the nucleation and growth mechanisms of ferrite under industrial cooling conditions. The present paper summarizes approaches to model the transformation kinetics utilizing nucleation and growth theories for ferrite.

Citation Download Citation

Matthias Militzer "Modeling of phase transformation kinetics in advanced steels", Proc. SPIE 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (25 January 2000); https://doi.org/10.1117/12.375447

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