| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Friction Stir Welding and Processing XII
|
| Presentation Title |
Dissimilar Copper and Aluminium Joining Using a Solid-state Friction-stir Welding Process |
| Author(s) |
Nishkarsh Srivastava, Arpan Rout, Amit Arora |
| On-Site Speaker (Planned) |
Amit Arora |
| Abstract Scope |
The dissimilar fusion welding of aluminium and copper is challenging due to the differences in chemical, mechanical and thermal properties. Friction stir welding (FSW) is one of the alternatives being capable of joining dissimilar metals without affecting the mechanical properties of metals. In this work, the mixing behaviour of Al and Cu is studied by characterizing successfully joined 5083 and 6061 aluminium alloys with copper using FSW. In addition, the effect of changing shoulder diameter is analyzed on the intermetallic formation of Cu-Al dissimilar weld. The grain morphology at the interface is studied at the weld interface using the scanning electron microscopy (SEM) - electron backscatter diffraction (EBSD) technique. The intermetallic compound formation influences the hardness in the stir zone with a higher shoulder diameter resulting in increased intermetallic formation. The SEM studies of fractured specimens indicated a ductile and brittle mixed fracture. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Joining, Aluminum, Copper / Nickel / Cobalt |