About this Abstract |
Meeting |
2025 TMS Annual Meeting & Exhibition
|
Symposium
|
Additive Manufacturing Modeling, Simulation and Machine Learning
|
Presentation Title |
Development of a Steady-State 3D Heat Transfer and Materials Flow Model for Multi-Layer Additive Friction Stir Deposition |
Author(s) |
Prachi Sharma, Amit Arora |
On-Site Speaker (Planned) |
Prachi Sharma |
Abstract Scope |
Additive Friction Stir Deposition (AFSD) is an innovative solid-state Additive Manufacturing (AM) technique that employs a non-consumable hollow rotating tool moving in the direction of deposition, based on the principles of Friction Stir Welding. Currently in its development stage, the AFSD process can greatly benefit from a physics-based Heat Transfer and Material Flow (HTMF) model to enhance understanding and optimization. This study presents a steady-state, three-dimensional finite volume method-based HTMF model for the multi-layer AFSD process. The model includes a moving heat source to account for pre-heating effects, conjugate heat transfer at the air-deposit interface, and temperature-dependent thermo-mechanical properties. It predicts temperature and velocity contours, thermal cycles, and strain/strain rates. The model's predictions show good agreement with experimentally recorded thermal cycles and stir zone characteristics, providing valuable insights for process improvement. |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, Computational Materials Science & Engineering, Modeling and Simulation |