| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
Friction Stir Welding and Processing XI
|
| Presentation Title |
Advances in Refill Spot Welding Productivity |
| Author(s) |
Yuri Hovanski, Andrew Curtis, Sarah Michaelis , Paul Blackhurst, Brigham Larsen |
| On-Site Speaker (Planned) |
Yuri Hovanski |
| Abstract Scope |
With more than a decade of research and development documenting both the benefits and the challenges of refill friction stir spot welding (RFSSW), we see remarkedly few industrial applications that have moved to full implementation. Two major challenges have been recognized that are currently impeding further adoption; namely cycle time and tool life. While these two challenges are not mutually exclusive, the focus of the current work will be to contest reported trends that claim reducing cycle time below 2 seconds has a deleterious effect on weld properties. Recently published work challenged this trend for RFSSW of a work-hardenable AA5052-H36, where weld times were reported as low as 800ms. While this study demonstrated that machine capabilities drive reduction in weld cycle time without a commensurate reduction in weld properties, the focus was on demonstrating these changes for a work-hardenable alloy rather than a precipitation hardened alloy. As such, the current work will demonstrate that a similar reduction in cycle time may be realized in AA7075-T6. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Joining, Aluminum, |