Simulation of Corrugated Rolling of Mg/Al Composite Plates and Analysis of Microstructure Evolution in Deformation Zone

被引：0
作者：
Shen H. [1 ]
Liu Y. [1 ,2 ,3 ]
Liu Y. [1 ,2 ,3 ]
Wang T. [1 ,2 ,3 ]
Liu Y. [1 ,2 ,3 ]
机构：
[1] College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan
[2] Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan
[3] TYUT-UOW Joint Research Center, Taiyuan University of Technology, Taiyuan
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2021年 / 32卷 / 22期
关键词：
Corrugated rolling; Finite element simulation; Microstructure evolution; Rolling block experiment;
D O I：
10.3969/j.issn.1004-132X.2021.22.010
中图分类号：
学科分类号：
摘要：
By establishing the thermal-mechanical coupled finite element model of corrugated rolling of Mg/Al composite plates, the rolling block experiment was carried out. The effects of stress, strain and temperature on metal deformation and microstructure evolution were analyzed. The results show that the composite plates are bonded near the exit of deformation zones when the initial rolling temperature is as 400 ℃ and the average reduction rate is as 35%. The thickness of diffusion layer at the trough is as 3.3 μm, and the diffusion layer at the peak is as 2.7 μm. The increases of equivalent strain and temperature promote the dynamic recrystallization of the deformed grains of magnesium alloy. The microstructure mainly includes equiaxed grains, twins and dynamic recrystallization grains. The average grain sizes are as 3.71 μm and 6.92 μm at the trough and peak respectively. © 2021, China Mechanical Engineering Magazine Office. All right reserved.
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页码：2731 / 2738
页数：7
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