A multi-scale modelling by coupling cellular automata with finite element method and its application on cross-wedge rolling

被引：1

作者：

Ren, Xu ^{[1
]}

Huo, Yuanming ^{[1
]}

Hosseini, Seyed Reza Elmi ^{[2
]}

He, Tao ^{[1
]}

Yan, Zhenrong ^{[1
]}

Fernandes, Fabio A. O. ^{[3
,4
]}

Pereira, Antonio B. ^{[3
,4
]}

Ji, Hongchao ^{[5
]}

Bai, Jie ^{[1
]}

Bian, Zhiyuan ^{[1
]}

Du, Xiangyang ^{[1
]}

机构：

[1] Shanghai Univ Engn Sci, Sch Mech & Automot Engn, Shanghai 201620, Peoples R China

[2] Iran Univ Sci & Technol IUST, Sch Met & Mat Engn, Tehran 13114, Iran

[3] Univ Aveiro, TEMA Ctr Mech Technol & Automat, Dept Mech Engn, Campus Santiago, P-3810193 Aveiro, Portugal

[4] LASI Intelligent Syst Associate Lab, Guimaraes, Portugal

[5] North China Univ Sci & Technol, Coll Mech Engn, Tangshan 063210, Peoples R China

来源：

MATERIALS TODAY COMMUNICATIONS | 2023年 / 37卷

关键词：

Cellular automata; Finite element method; Dynamic recrystallization; Multi-scale simulation; Cross-wedge rolling; DYNAMIC RECRYSTALLIZATION; SIMULATION; STEEL;

D O I：

10.1016/j.mtcomm.2023.106976

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cross-wedge rolling is an advanced plastic forming process for manufacturing stepped-shafts. During the crosswedge rolling, the workpiece undergoes dynamic recrystallization, which has a significant effect on the grain refinement. A multiscale modelling method is required to predict and simulate the microstructure evolution. This work proposes a novel multi-scale modelling approach by coupling the cellular automata model and finite element method, which can visually simulate and predict the evolution and overall distribution of dynamic recrystallization microstructure. This novel multi-scale modelling method is verified by comparing the experimental results and simulation results of the microstructure of the uniaxial thermal compression test. The developed multi-scale modelling approach is applied to simulate the microstructure evolution and distribution of the high-speed railway axle formed by cross-wedge rolling. The simulation results show that cross-wedge rolling is a typical local forming process, and the microstructure of different regions has significant differences.

引用

页数：11

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MATERIALS TODAY COMMUNICATIONS, 2023, 35

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