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

页码：208 / 215

页数：8

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