REW法挤压双金属坯料成形过程模拟

IF 1.1 Q3 METALLURGY & METALLURGICAL ENGINEERING

Acta Metallurgica Slovaca Pub Date : 2021-12-07 DOI:10.36547/ams.27.4.1254

A. Schrek, A. Brusilová, P. Sejč, B. Vanko

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引用次数: 1

摘要

双金属连接元件是为薄金属（Fe-Fe，Fe-Al）以及金属-非金属（Fe-PMMA，Al-PMMA）片的搭接设计的，采用电阻元件焊接（REW）。将外径为4mm、壁厚为0.5mm、长度为11mm的填充有焊料Sn60Pb40的铜管用于生产双金属连接元件。连接元件的所需形状是通过冷成型获得的。选择ANSYS软件进行模拟，以优化成形过程和成形工具功能部件的几何形状，从而只允许使用一次挤压成形操作。模拟结果是三种提出的成形模式的应力、应变和元件截面几何形状的修改。将成形工具功能部件的几何形状与连接元件的横截面宏观分析结果进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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FORMING PROCESS SIMULATION OF BIMETALLIC BILLET BY EXTRUSION FOR REW METHOD

The bimetallic joining elements were designed for lap joints of thin metallic (Fe-Fe, Fe-Al) as well as metallic – nonmetallic (Fe-PMMA, Al-PMMA) sheets by Resistance Element Welding (REW). The Cu tubes with an outer diameter of 4 mm, wall thickness of 0.5 mm, and a length of 11 mm filled with a solder Sn60Pb40 were used for the bimetallic joining elements producing. The required shape of joining elements is obtained by cold forming. Simulation by ANSYS software was chosen for the optimization of the forming process and geometry of functional parts of the forming tool allowing to use only one extrusion forming operation. The simulation results are stresses, strains, and modification of cross-section geometry of elements for the three proposed forming modes. The geometry of functional parts of the forming tool was compared with the results of cross-section macroanalysis of joining elements.

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来源期刊

Acta Metallurgica Slovaca METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

2.00

自引率

30.00%

发文量

审稿时长

12 weeks