Description of Austenite Recrystallization Kinetics During Low-Alloy Steel Hot Deformation

Mathematical analysis of experimental data for low-alloy steel 09G2S austenite recrystallization after hot rolling is provided. An original mathematical model is proposed that relates the volume fraction of recrystallized structure to degree of hot deformation, temperature, and recrystallization ann...

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Veröffentlicht in:	Metallurgist (New York) 2021-11, Vol.65 (7-8), p.841-855
Hauptverfasser:	Belomyttsev, M. Yu, Molyarov, V. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Annealing Austenite Boron steel Characterization and Evaluation of Materials Chemistry and Materials Science Deformation analysis Hot rolling Iron compounds Low alloy steels Materials Science Mathematical analysis Mathematical models Metallic Materials Model accuracy Numerical analysis Recrystallization Specialty metals industry Specialty steels Steel alloys Welding equipment
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Zusammenfassung:	Mathematical analysis of experimental data for low-alloy steel 09G2S austenite recrystallization after hot rolling is provided. An original mathematical model is proposed that relates the volume fraction of recrystallized structure to degree of hot deformation, temperature, and recrystallization annealing duration. The prediction accuracy for this model evaluated in terms of dispersion of deviation for experimental data from predicted results standardized for the average value of experimental results comprises ≈ 20%.
ISSN:	0026-0894 1573-8892
DOI:	10.1007/s11015-021-01222-w