| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Friction Stir Welding and Processing XII
|
| Presentation Title |
Validation of Models for Predicting Bonding Behavior in Friction Stir Welding Processes |
| Author(s) |
Christian Andrew Kocak, Yanfei Gao, Hyojin Park, Hahn Choo, Martin McDonnell, Zhili Feng |
| On-Site Speaker (Planned) |
Christian Andrew Kocak |
| Abstract Scope |
Conventional process-structure-property development for friction stir welding has been largely based on trial and error experimentation. It is computationally demanding to conduct parametric studies that govern plastic flow, stress fields, and temperature gradients, sometimes even more laborious than actual laboratory tests. The motivation of this presentation is to develop models that can predict processing windows and produce reliable time dependent thermomechanical maps for a given process, with a particular focus on the extend of solid-state bonding upon the use of this unique processing technique. Using ABAQUS, the coupled Eulerian-Lagrangian method was employed to simulate contact responses in the workpiece form tool interactions. Two models are developed, with one focusing on an analytical relationship between the mechanical response to processing parameters, and with the other on the bonding analysis. It is hypothesized that the closure of interface cavities, governed by either diffusional or creep processes, dictates the extend of bonding. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Modeling and Simulation, Joining, Aluminum |