| About this Abstract |
| Meeting |
2024 TMS Annual Meeting & Exhibition
|
| Symposium
|
Defects and Properties of Cast Metals
|
| Presentation Title |
Mitigation of Cracking Formed during Wire Plus Arc Additive Manufacturing of High Alloyed Austenitic and Ferritic Structures |
| Author(s) |
Supriyo Ganguly, William James, James German, Soumyajit Koley, Kuladeep Rajamudili, Goncalo Pardal |
| On-Site Speaker (Planned) |
Supriyo Ganguly |
| Abstract Scope |
Wire plus arc additive manufacturing (WAAM) is the subject of significant research focus for relatively large scale structural and functional components, due to the potential advantages that it offers in material saving, logistical simplicity and in the application of multiple alloys in a geometrically optimised component. However, layer-by-layer deposition results into elastic, plastic, creep, and viscous deformation due to the multiple thermal cycles that a layer would endure. The presented study describes different cracking phenomena observed during manufacturing of high strength creep resistant nickel-based alloys and Fe-Co-V based soft magnetic material (SMM) structure.
While hot, liquation, cracking was observed in high strength nickel-based alloys, cold cracking due to continuous evolution of residual stress state and microstructural conditions was observed in the SMM alloy. The orientation of the cracks with respect to the built structures was very different and completely different strategies were needed to deploy for their mitigation. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Solidification, Other |