A Model for Static Recrystallization with Simultaneous Precipitation and Solute Drag

In the present work, we introduce a state parameter-based microstructure evolution model, which incorporates the effect of solute atoms and precipitates on recrystallization kinetics. The model accounts for local precipitate coarsening at grain boundaries, which promotes an average grain boundary mo...

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Veröffentlicht in:	Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2017-06, Vol.48 (6), p.2812-2818
Hauptverfasser:	Buken, Heinrich, Kozeschnik, Ernst
Format:	Artikel
Sprache:	eng
Schlagworte:	Characterization and Evaluation of Materials Chemistry and Materials Science Deformation Drag (hindrance) Evolution Grain boundaries Growth models Materials Science Metallic Materials Nanotechnology Precipitates Precipitation Precipitation (chemistry) Recrystallization Simulation Structural Materials Surfaces and Interfaces Symposium: PTM 2015: Solid-Solid Phase Transformations in Inorganic Materials Thin Films Zener pinning
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Beschreibung
Zusammenfassung:	In the present work, we introduce a state parameter-based microstructure evolution model, which incorporates the effect of solute atoms and precipitates on recrystallization kinetics. The model accounts for local precipitate coarsening at grain boundaries, which promotes an average grain boundary movement even if the Zener pinning force exceeds the driving force for recrystallization. The impact of solute drag on the grain boundary mobility as well as simultaneous precipitation is discussed in detail. The model is validated on experimental data on recrystallization in V-micro-alloyed steel, where excellent agreement is achieved.
ISSN:	1073-5623 1543-1940
DOI:	10.1007/s11661-016-3524-5