Modelling and Simulation of Dynamic Microstructure Evolution of Aluminium Alloys during Hot Forming Processes

被引：0
|
作者：
Parvizian, Farhad [1 ]
Kayser, Tobias [1 ]
Svendsen, Bob [1 ]
机构：
[1] TU Dortmund, Dept Mech Engn, Inst Mech, Dortmund, Germany
来源：
STEEL RESEARCH INTERNATIONAL | 2010年 / 81卷 / 09期
关键词：
Microstructure; Extrusion; Simulation; Aluminium alloys; FEM; RECRYSTALLIZATION;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The purpose of this work is to model the dynamic microstructure evolution of aluminium alloys during hot metal forming processes such as extrusion. To this end, a phenomenological model based on the physical assumption that evolution of microstructure properties saturates after reaching the steady-state forming conditions is formulated. This model in combination with a thermo-elastic visco-plastic material model is implemented in the Finite Element software Abaqus. Simulation results for the microstructural development during extrusion as a function of process conditions demonstrate the sensitivity of microstructure development to these conditions. Comparison of the simulation results for the microstructure evolution with corresponding experimental results shows good qualitative agreement.
引用
收藏
页码：422 / 425
页数：4
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