复合管连轧变形过程有限元模拟

Finite Element Simulation for Continuous Rolling Deformation Process of Composite Tube

以铜/铝双金属管的轧制复合为例,对双金属管的连轧变形过程进行数值模拟。轧制工艺采用冷轧复合工艺,轧机采用三辊Y型轧机,结合金属塑性变形理论、管棒材连轧技术、张力减径理论,利用有限元模拟软件ANSYS/LS-DYNA对其轧制过程进行了数值模拟,对双金属管在轧制复合过程中的金属流动、温度场分布和应力、应变情况做了分析研究。

This paper takes the rolling composites of copper- aluminum composite tube as an example to introduce the continuous rolling deformation process of bimetal composite pipes through the finite element numerical simulation. The rolling process uses cold rolling composite process and rolling mills are 3- roller Y type mill. Based on the theory of metal plastic deformation, tube and rod rolling technology, the tension reducing theory, using the finite element simulation software of ANSYS/IS- DYNA, this paper makes analysis and research on the process of rolling composite plastic deformation process, the mechanical properties and temperature distribution in the bonding process of bimetal composite pipes by thermal mechanically coupled- field simulation.