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HomeMaterials Science ForumMaterials Science Forum Vol. 753Novel Approach to Model Static Recrystallization...

Novel Approach to Model Static Recrystallization of Austenite during Hot-Rolling of Nb-Microalloyed Steel: Effect of Precipitates

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Abstract:

Microalloying additions are critical for grain size control during thermo-mechanical processing. The addition of niobium is known to delay the onset and growth of recrystallization. A physically-based model for the interaction of strain-induced precipitation, recovery and recrystallization is presented. A key feature of the model is the incorporation of the effect of precipitation on the nucleation of recrystallization. Quantitative agreement between the experimental measurements and the model predictions has also been demonstrated. The model offers valuable insight into the relative contributions of solute and precipitate Nb as well as the optimum conditions for strain accumulation.

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Recrystallization and Grain Growth V

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Periodical:

Materials Science Forum (Volume 753)

Pages:

417-422

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.753.417

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Online since:

March 2013

Authors:

Kashif Rehman, Hatem Zurob

Keywords:

Hot-Rolling, Microalloying, Nucleation, Precipitation, Recovery, Recrystallization

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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