Interaction between recrystallization and phase transformation during intercritical annealing in a cold-rolled dual-phase steel: A cellular automaton model

被引：169
|
作者：
Zheng, Chengwu [1 ,2 ]
Raabe, Dierk [2 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
[2] Max Planck Inst Eisenforsch GmbH, D-40237 Dusseldorf, Germany
来源：
ACTA MATERIALIA | 2013年 / 61卷 / 14期
关键词：
Intercritical annealing; Ferrite recrystallization; Austenitization; Cellular automaton; Mesoscopic modeling; LOW-CARBON STEEL; FE-C ALLOYS; AUSTENITE FORMATION; MICROSTRUCTURE EVOLUTION; MESOSCALE SIMULATION; FERRITE; GROWTH; DECOMPOSITION; DEFORMATION; NUCLEATION;
D O I：
10.1016/j.actamat.2013.05.040
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The concurrent ferrite recrystallization and austenitic transformation during intercritical annealing of cold-rolled DP steels is investigated by cellular automaton (CA) modeling. The simulations provide insight into the microstructural phenomena that result from the interaction of primary recrystallization and phase transformation. We find that the interaction between ferrite recrystallization and austenite formation affects not only the transformation kinetics but also the morphology and spatial distribution of the austenite. From this we can interpret experimental data of the observed temperature-dependent hardness and its dependence on the two metallurgical processes. The influence of the initial heating rate on subsequent isothermal transformation kinetics and the microstructure evolution is also obtained by the model. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：5504 / 5517
页数：14
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