A Multi-phase Field Model for Static Recrystallization of Hot Deformed Austenite in a C-Mn Steel

被引：7
|
作者：
Zhang, Jun [1 ,2 ]
Zheng, Cheng-Wu [2 ]
Li, Dian-Zhong [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Sch Chem & Mat Sci, Hefei 230026, Anhui, Peoples R China
[2] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
来源：
ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2018年 / 31卷 / 02期
基金：
美国国家科学基金会;
关键词：
Phase-field; Static recrystallization; Microstructure evolution; Hot deformation; Mesoscopic modeling; AZ31 MG ALLOY; MICROSTRUCTURE EVOLUTION; COMPUTER-SIMULATION; HIGH-TEMPERATURES; GRAIN-GROWTH; STRAIN RATES; DEFORMATION; STRIP; PREDICTION;
D O I：
10.1007/s40195-017-0595-2
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A multi-phase-field model has been developed to simulate the microstructure evolution and kinetics of the austenite static recrystallization (SRX) in a C-Mn steel. In this model, the bulk free energy that coupling the deformation stored energy with a special interpolation function is incorporated. Both the deformed grain topology and the deformation stored energy have been included in order to investigate the influence of pre-deformation on the subsequent austenite SRX at different hot deformation levels. Diverse scenarios of microstructure evolution show different deformation-dependent recrystallized grain sizes. The transformation kinetics is then discussed by analyzing the overall SRX fraction and the average interface velocity on the recrystallization front.
引用
收藏
页码：208 / 215
页数：8
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