| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Friction Stir Welding and Processing XIII
|
| Presentation Title |
Heat Treatment of Multitrack Friction Stir Processing of Precipitation Hardenable Aluminum Alloy |
| Author(s) |
Amlan Kar, Hudson Wagner, Todd Curtis, Bharat Jasthi, Wade Lein, Zackery McClelland, Grant Crawford |
| On-Site Speaker (Planned) |
Amlan Kar |
| Abstract Scope |
In large-scale friction stir additive manufacturing, the multi-track friction stir processing (FSP) of each layer with suitable overlap is crucial. In this process, material is subjected to multiple thermal cycles and deformations due to overlapping, leading to variations in properties. To mitigate these effects and maintain uniform properties across the processing plate, heat treatment is often employed for precipitation hardenable aluminum 6061-T6. In this investigation, multi-track FSP of aluminum 6061-T6 alloys was performed using a raster pattern with a 50% overlap relative to the tool probe dimension. The heat treatment conditions were optimized to retain the refined microstructure, control grain growth and enhance the mechanical properties of the processed materials. The influence of the optimized heat treatment was assessed, with predictions made regarding the mechanisms behind microstructural evolution and improvement in mechanical properties. These findings have significant implications for the fabrication of multi-layered, multi-track additive manufacturing structures and coatings. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Aluminum, Mechanical Properties, Characterization |