Abstract

The need for assembly between dissimilar materials often arises in complex industrial applications. It avoids problems inherent in conventional welding. Therefore, in this study the performance of welded joints developed using a rotary friction welding machine, between Cu/Al, are characterized. The interface of the welded assembly of dissimilar copper Cua1 and AA2014 aluminum, consists of several intermetallic compounds mainly CuAl₂, CuAl and Cu₉Al₄. Dendrites have been revealed, this structure is known to be the result of solidification. While rotary friction welding is done at the solid state. In this work, we seek to know the phenomena that take place during the entire process and in the creation of the interface. This article presents the study of the Al/Cu interfacial structure of welded joints made by rotary friction in a modified cycle with two steps.

中文翻译：

---

通过旋转摩擦焊接实现的有色金属异种材料的界面表征

摘要

在复杂的工业应用中经常需要在不同材料之间进行组装。它避免了传统焊接中固有的问题。因此，在这项研究中，使用旋转摩擦焊机开发的焊接接头的性能在 Cu/Al 之间进行了表征。异种铜Cua1和AA2014铝焊接组件的界面，由几种金属间化合物组成，主要是CuAl ₂、CuAl和Cu ₉ Al ₄. 枝晶已经显露出来，已知这种结构是凝固的结果。而旋转摩擦焊接是在固态下完成的。在这项工作中，我们试图了解在整个过程和界面创建过程中发生的现象。本文介绍了在改进的循环中通过两个步骤通过旋转摩擦制成的焊接接头的 Al/Cu 界面结构的研究。