About this Abstract |
Meeting |
2021 TMS Annual Meeting & Exhibition
|
Symposium
|
Frontiers in Solidification Science VIII
|
Presentation Title |
A Model for Dendrite Fragmentation in Alloy Solidification |
Author(s) |
Hieram Neumann-Heyme, Kerstin Eckert, Christoph Beckermann |
On-Site Speaker (Planned) |
Hieram Neumann-Heyme |
Abstract Scope |
The quantitative prediction of dendrite fragmentation has remained a major issue in the modeling of solidification processes. A model is proposed that predicts detachment of dendritic sidebranches by linking the local dynamics of the collapsing necks of sidebranches to global solidification parameters. Validation of the model is carried out by careful analysis of existing data from in-situ x-ray imaging experiments. Although the basic model operates on the assumption of purely diffusive transport, flow effects and other important contributions can be be incorporated into the model in an efficient way. |
Proceedings Inclusion? |
Planned: |
Keywords |
Solidification, Modeling and Simulation, Aluminum |