Microstructure Evolution Characterization of Multi-Pass Hot Rolling Simulation of Nb-Ti Microalloyed Steel

Bin Shen; Song He Zhu; Heng Hua Zhang

doi:10.4028/www.scientific.net/AMR.936.1141

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 936Microstructure Evolution Characterization of...

Microstructure Evolution Characterization of Multi-Pass Hot Rolling Simulation of Nb-Ti Microalloyed Steel

Abstract:

In this study, a improved mathematical model was developed for Nb-Ti microalloyed steel during hot rolling simulation. Using the compression test, the dynamic and static recrystallization characteristics of Nb-Ti microalloyed steel were studied. Though multi-pass hot rolling simulation, it is found that the recrystallization during hot rolling can play an important role, it can make the mean flow stress lower and refine the grains. And respective comparison between calculated and measured data of microstructure showed some of the validation of the built model. Meanwhile, the evolution characteristic of average austenite grain size during hot rolling can be achieved by theoretical model and experiment.

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Periodical:

Advanced Materials Research (Volume 936)

Pages:

1141-1145

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.936.1141

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Online since:

June 2014

Authors:

Bin Shen, Song He Zhu, Heng Hua Zhang*

Keywords:

Flow Stress, Hot Rolling Simulation, Microalloyed Steel, Microstructure Evolution

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